ATTACHMENT_11_EARs.pdf

ANNUAL ENVIRONMENTAL ASSESSMENT REPORT

CROSS BAR RANCH ECOSYSTEM MANAGEMENT

WY 2021

WUP PERMIT No. 20004649.007

PROJECT No. 617-259914-0840

PREPARED BY:

14 South Fort Harrison Avenue Clearwater, FL 33756 and

QUEST ECOLOGY, INC.

735 Lakeview Drive Wimauma, FL 33598

June 2022

TABLE OF CONTENTS

Page

LIST OF APPENDICES ............................................................................ i

EXECUTIVE SUMMARY

1.0 INTRODUCTION

2.0 METHODS

2.1 Hydrological Monitoring

2.1.1 Augmentation Well Production

2.1.2 Surficial Aquifer Groundwater Levels

2.1.3 Surface Water Levels

2.1.4 Rainfall

2.1.5 Water Quality

2.2 Ecological Monitoring

2.2.1 Qualitative Vegetative Monitoring

2.2.2 Ecological Data Analysis

2.3 Ground Photography

2.4 Wildlife Observations

3.0 RESULTS AND DATA ASSESSMENT

3.1 Hydrology

3.1.1 Augmentation Wells Withdrawals

3.1.2 Wetland Augmentation

3.1.3 Surficial Aquifer Groundwater Levels

3.1.4 Surface Water Levels

3.1.5 Rainfall

3.1.6 Water Quality

3.2 Ecological Monitoring Results and Data Assessment

3.2.1 Qualitative Monitoring

3.2.1.1 General Conditions at Monitoring Stations…

3.2.2 Wildlife

4.0 CONCLUSIONS

5.0 REFERENCES

LIST OF APPENDICES

Appendix A: Figures and Hydrographs

Figure 1 Location Map of Cross Bar Ranch

Figure 2 Location Map of Augmentation Sites, Augmentation Wells, and

Monitoring Stations

Figure 3 Location Map of Rain Gauge Sites

Figure 4 Cross Bar Ranch Monthly Average Rainfall Composite, WY 2021

Figure 5 Total Monthly Rainfall by Station, Cross Bar Ranch WY 2021

Figure 6 Well 1 Monthly Withdrawals, Cross Bar Ranch WY 2021

Figure 7 Total Augmentation Quantities by Wetland Site, Cross Bar Ranch WY 2021

Figure 8 Total Monthly Augmentation Well Withdrawals, Figure 9 Goose Lake Monthly Augmentation Quantities, WY 2021

Figure 10 Site 7B - Monthly Augmentation Quantities, WY 2021

Figure 11 Site 7C - Monthly Augmentation Quantities, WY 2021

Figure 12 Site 7D - Monthly Augmentation Quantities, WY 2021

Figure 13 Site 8-1(N) – Monthly Augmentation Quantities, WY 2021

Figure 14 Site 10 - Monthly Augmentation Quantities, WY 2021

Figure 15 Well 4 Monthly Withdrawals, Cross Bar Ranch WY 2021

Figure 16 Site 13A - Monthly Augmentation Quantities, WY 2021

Figure 17 Site 13B - Monthly Augmentation Quantities, WY 2021

Figure 18 Clear Lake Bi-weekly Staff Gauge & Monitor Well Water Elevations, Cross Bar Ranch WY 2021

Figure 19 Goose Lake Bi-weekly Staff Gauge & Monitor Well Water Elevations, Figure 20 Site 7A Bi-weekly Staff Gauge & Monitor Well Water Elevations, i

Appendix A, continued

Figure 21 Site 7B Bi-weekly Staff Gauge & Monitor Well Water Elevations, Cross Bar Ranch WY 2021

Figure 22 Site 7C Bi-weekly Staff Gauge & Monitor Well Water Elevations, Figure 23 Site 7D Bi-weekly Staff Gauge & Monitor Well Water Elevations, Figure 24 Site 8-1(NE) Bi-weekly Staff Gauge & Monitor Well Water Elevations, Figure 25 Site 8-2(SW) Bi-weekly Staff Gauge & Monitor Well Water Elevations, Cross Bar Ranch WY 2021

Figure 26 Site 10 Bi-weekly Staff Gauge & Monitor Well Water Elevations, Figure 27 Site 13A Bi-weekly Staff Gauge & Monitor Well Water Elevations, Cross Bar Ranch WY 2021

Figure 28 Site 13B Bi-weekly Staff Gauge & Monitor Well Water Elevations, Figure 29 Wetland Assessment Scores – April 2021

Figure 30 Wetland Assessment Scores – September 2021

Appendix B: Water Use Permit No. 204649.007

Details for Augmentation and Monitoring Wells, Cross Bar Ranch

Appendix C: Hydrologic Data Tables

Table 1 Monthly Rainfall Data, Cross Bar Ranch WY 2021

Table 2 Augmentation Wells Water Quality Data, Cross Bar Ranch

Table 3 Monthly Augmentation Quantities, Cross Bar Ranch Augmentation Wells, WY 2021

Table 4 Monthly Quantities, Cross Bar Ranch Wetland Sites

Table 5 Monitor Well Groundwater Elevations, Cross Bar Ranch ii

Appendix C, continued

Table 6 Wetland Water Elevations and Water Depths, Appendix D: Bi-weekly Hydrologic Data Tables

Table 7 Bi-weekly Monitor Well Water Level Measurement Data, Table 8 Bi-weekly Wetland Staff Gauge Data, Appendix E: Ecological Monitoring Data Tables

Table 9 Wetland Scores for Nine (9) Wetland Sites at Cross Bar Ranch (April 2021)

Table 10 Wetland Scores for Nine (9) Wetland Sites at

Cross Bar Ranch (September 2021)

Table 11 Wetland Assessment Vegetative Summary for June and September 2021

Table 12 Wildlife Observations for WY 2021 at Nine Monitoring Locations on

Appendix F: Cross Bar Ranch Photographs - WY 2021 iii

EXECUTIVE SUMMARY

This Annual Environmental Assessment Report summarizes the hydrological and ecological conditions for ten (10) augmented areas that consist of eight (8) wetlands and two (2) lakes at Cross Bar Ranch (Cross Bar) during Water Year (WY) 2021 (October 1, 2020 - September 30, 2021). Augmentation is permitted by Southwest Florida Water

Management District (SWFWMD) (District) Water Use Permit (WUP) No. 20004649.007 issued to Pinellas County. This permit had previously been renewed on May 24, 2011 and remained in effect until 2021. This is the twenty-first (21st) annual report as required by Condition #10 of the previous permit and the eleventh (11th) under condition #2 of the subsequent (renewed) permit. (WUP No. 20004649.007 has been renewed for five (5) years as permit WUP No. 20004649.008 as of December 10, 2021; this annual report covers the final water year-term of WUP No. 20004649.007). Two (2) of the augmented sites, Goose Lake and Clear Lake, have been augmented since 1986 and 1987, respectively, under the former West Coast Regional Water Supply Authority (WUP) permit for Cross Bar Ranch Wellfield. These two lakes are also currently augmented and monitored under Tampa Bay Water’s (TBW) consolidated water use permit.

Augmentation was initiated for Sites 13A and 13B in March 2002. The remaining six (6) sites were augmented beginning January 2003. Two (2) augmentation wells, District I.D.

Nos. Well 1 and Well 4, are permitted for withdrawals in order to augment eight (8) wetland areas and two (2) lakes under Pinellas County’s WUP as addressed by this report.

The average daily withdrawal from Well 1 during WY 2021 was 52,290 gallons per day

(gpd). A total of 19,086,000 gallons or 19.1 MG were withdrawn from Well 1 during WY

2021 for distribution to six (6) of eight (8) total sites. Augmentation water was sent to

Goose Lake and sites 7B, 7C, 7D, 8 and 10 from Well 1.

The average daily withdrawal from Well 4 during WY 2021 was 75,885 gpd. A total of

27,698,200 gallons or 27.7 MG were withdrawn from Well 4 during WY 2021 for augmentation of Sites 13A and 13B.

The summation of the total average annual withdrawal was 128,176 gpd and is well below the authorized 800,000 gpd. The peak monthly withdrawal was 294,537 gpd and is less than the authorized 1.5 mgd.

Surficial aquifer levels are measured in monitor wells and surface water levels are measured at staff gauges twice a month at eleven (11) surface water locations within the ranch. Range in fluctuation of the surficial aquifer, as measured in the monitor wells, was between 2.34 and 4.71 feet. Depth to groundwater ranged from 1.45 feet (Site 13A) to

9.36 feet (Goose Lake); water table elevation ranged between a minimum of 65.58 feet

National Geodetic Vertical Datum (NGVD) (Clear Lake) and a maximum of 77.18 feet

NGVD (Site 13A).

All wetland sites held water throughout the year. Maximum depth of surface water was recorded at 5.92 feet at Goose Lake; surface water level fluctuation ranged from 1.09 feet at Site 13B to 4.00 feet at Goose Lake.

A composite average of 58.92 inches of rainfall was recorded from five (5) rainfall stations on Cross Bar Ranch: CBR-CB-1, CBR-CB-13, CBR-S1-S, CBR GREGG, and CBR FISH, for WY 2021. Rainfall accumulation was highest during the months June through

September 2021. The composite average rainfall for WY 2021 is higher than Cross Bar’s period of record composite rainfall average of 55.70 inches (WY 2001 through 2021).

Rainfall during WY 2021 is the sixth (6th) highest amount in the range of recorded rainfall since augmentation commenced in 2002. WY 2003 composite average rainfall of 77.84 inches was the highest, followed by WY 2015 with 68.18 inches. Rainfall at the nearby

St. Leo rain gauge was 57.36 inches for WY 2021, approximately one and a half inches lower than the amount of rainfall as recorded at the Cross Bar stations in WY 2021.

Water years 2005 and 2006 (41.1 and 39.37 inches) have been the two driest recorded at

Cross Bar Ranch since Pinellas County initiated augmentation at Al Bar Ranch in WY

2002.

Quarterly groundwater quality sampling from the augmentation wells was required under the previous WUP and was initiated in WY 2001. Annual sampling commenced in accordance with permit condition #5, which was issued with the renewal of Permit No.

20004649.007 on May 24, 2011; annual sampling of both augmentation wells occurred in

May 2021. Water samples are analyzed for hardness and field readings are taken for specific conductance and pH. Annual groundwater quality results for both Well 1 and

Well 4 in 2021 show pH was slightly higher, hardness was lower, and conductivity was the same as compared to the previous May.

The Wetland Assessment Procedure (WAP) (Southwest Florida Water Management

District & Tampa Bay Water, 2000) was utilized for ecological monitoring in April and

September 2021. There are nine (9) ecological monitoring stations that are monitored with the WAP Assessment. Clear Lake and Goose Lake monitoring is restricted to hydrologic data and photographic documentation. The total maximum wetland score was not achieved at any of the ecological monitoring stations due to varying levels of changes in wetland conditions. Wetland Stations 7D, 8W, 13A, and 13B all received the highest score of 37 (out of 42) in April 2021, during the dry season monitoring event.

Wetland Stations 7D, 13A, and 13B, received the highest score of 38 (out of 42) in

September 2021, during the wet season monitoring events. Stations 7B and 8E received the second highest score of 34 (out of 42) during the April 2021 event, and stations 8E and 8W received the second highest score of 37 (out of 42) during the

September 2021 event. Wetland Station 10 received the lowest score of 30 during the April 2021 monitoring event. Wetland station 10 also received the lowest score of 30 during the September 2021 event. This low score was due to a plant composition dominated by facultative and upland species in the transition zone.

The average WAP score for each of the 14 assessed categories and nine (9) ecological monitoring stations was 34.33 for April 2021, and 35.11 for September 2021.

These scores continue to show an increase from the initial monitoring events of April

2001, which had an average WAP score of 29.4 and May 2002, which had an average

WAP score of 28.78. The August 2001 average WAP score was 29.33 and September

2002 was 28.78. The continuously higher WAP scores since initial monitoring are primarily a result of the overall improved wetland conditions, including species composition, species zonation, and improved hydrology.

ANNUAL ENVIRONMENTAL ASSESSMENT REPORT

CROSS BAR RANCH ECOSYSTEM MANAGEMENT

1.0 INTRODUCTION

The Cross Bar Ranch consists of approximately 8,060-acres in Pasco County (see

Appendix A, Figure 1). The Cross Bar Ranch property is covered by two (2) existing permits: Water Use Permit (WUP) No. 2011771.01 issued for Tampa Bay Water for public supply use which includes environmental mitigation activities and WUP

204649.007 issued to Pinellas County Utilities for ecosystem management. On

December 31, 2001 the District authorized the renewal with modification to change the

WUP 204649.02 from agricultural irrigation to environmental augmentation of lakes and wetlands in coordination with Cross Bar Ranch Ecosystem Management. The specific changes to this permit included increasing the annual average quantity from 490,000 gallons per day to 800,000 gallons per day and to decrease the peak monthly quantities from 3,020,000 GPD to 1,500,000 GPD.

The WUP was modified on February 1, 2002 to change the casing diameter and withdrawal quantities for Well 4 and to delete Well 5 from the permit. The existing 12-inch well (Well 1), was previously used for agricultural activities and is now used to augment eight (8) sites. One (1) 8-inch well (Well 4) was installed to augment two (2) wetlands on Cross Bar Ranch (Appendix A, Figure 2). The WUP was renewed through

SWFWMD effective May 24, 2011 (WUP No. 20004649.007) as the previous permit expired December 2010.

This report addresses and summarizes the hydrological and ecological monitoring and data requirements for the Cross Bar Ranch Ecosystem Management permit, provided in

Appendix B. The hydrologic section of this report summarizes (1) augmentation well withdrawals; (2) surface and surficial aquifer water levels; (3) rainfall; and (4) Floridan aquifer augmentation water quality. Appendix B also provides construction and survey details of monitoring wells and staff gauges.

Hydrologic data provided in this report (Appendix A – Figures and Hydrographs and

Appendix C – Data Tables) was collected by Pinellas County Utilities representatives;

and rainfall data was collected by Tampa Bay Water.

The Ecological Monitoring section summarizes the results of qualitative monitoring using the approved Wetlands Assessment Procedure (WAP). The ecological monitoring is a requirement of the WUP to document results of augmentation by vegetation analyses, general hydrological and soils assessment, incidental wildlife observations along with photographic documentation. Wetland assessments were performed by Quest Ecology, Inc. Data from the ecological monitoring, collected by Quest Ecology, Inc. is provided in

Appendix E with photographs in Appendix F.

2.0 METHODS

2.1 Hydrologic Monitoring

2.1.1 Augmentation Well Production

There are two (2) Floridan aquifer production wells (1 and 4) that provide groundwater for the two (2) lakes and eight (8) augmented wetland areas (Appendix A, Figure 2). Well 1 is 12 inches (12") in diameter and Well 4 is eight inches (8") in diameter; both are constructed into the upper Floridan aquifer.

The authorized average annual quantity is 800,000 GPD with a peak monthly of

1,500,000 GPD. Augmentation quantities required by permit conditions No. 8 and 13 were measured and recorded with flow meters. Total withdrawal is calculated from meter readings that are recorded on a monthly basis. The augmentation quantities in graph form for WY 2021 are provided in Appendix A – Figures and Hydrographs. Pinellas

County site designations and District designations are provided for clarification on a summary sheet in Appendix B.

There were no flow meter failures at any of the wells; however, an LED segment on the digital display for Well 1 failed and the display was replaced in October 2021. The flow meters for the District IDs 1 and 4 (Permitee IDs G-1 and G-3) passed accuracy tests on

August 11, 2021 in accordance with WUP Special Condition #13 and Exhibit B, Metering

Instructions, 5.B.

When discharge values at the well meter appear to be incorrect and meter malfunction is suspected and/or confirmed, the SWFWMD is notified. Discharges are calculated for the period the meter is malfunctioning or out of service from the sum of registered amounts on the augmented wetland site meter(s), as available. Or alternatively, discharges are estimated from normal discharge rates multiplied by the amount of time the pump was running.

2.1.2 Surficial Aquifer Groundwater Levels

Groundwater levels in the surficial aquifer are measured and recorded at two (2) week intervals (twice/month) in monitor wells at eleven (11) locations and are referenced to the

National Geodetic Vertical Datum (NGVD). Water Year 2021 groundwater monitoring data is provided in Appendix A – Figures and Hydrographs and Appendices C and D

– Data Tables.

2.1.3 Surface Water Levels

Staff gauges have been installed at each of eleven (11) stations and surveyed for location and reference elevation. Surface water levels are measured on staff gauges at two week intervals (twice/month) at the stations and referenced to NGVD. The WY 2021 water levels from each staff gauge are provided in Appendix A – Figures and Hydrographs and Appendices C and D – Data Tables.

2.1.4 Rainfall

Rainfall data is provided from Tampa Bay Water at five (5) continuous-recording rain gauges located within the Cross Bar Ranch boundaries; CB-1, CB-13, S1-S, CBR

GREGG, and CBR FISH located at Big Fish Lake, as depicted on Figure 3 – Appendix

A. Rainfall data for WY 2021 is provided in Appendix C – Table 1 and depicted in

Figures 4 and 5, Appendix A.

2.1.5 Water Quality

Water samples were collected from Well 1 and Well 4 in May 2021. The samples were analyzed for hardness and field readings for pH and specific conductance were taken.

The results of water quality monitoring are provided in Appendix C – Table 2.

2.2 Ecological Monitoring

2.2.1 Qualitative Vegetation Monitoring

The locations of augmented wetlands and ecological monitoring stations are depicted on

Figure 2, Appendix A. Qualitative monitoring of the hydrologically augmented wetlands was performed in April and September 2021 using the Wetland Assessment

Procedure (WAP) developed by the Southwest Florida Water Management District and

Tampa Bay Water in 2000 and described in the Environmental Management Plan

(EMP). The WAP is a semi-quantitative vegetation, soils and hydrological analysis of wetland conditions. The WAP includes collection of pertinent information on vegetation, hydrology and soils in order to characterize the current biological condition and health of the wetland. This data provides a basis for evaluating future wetland recovery through augmentation.

WAP monitoring was conducted along the following nine (9) transects per the original

1996 WUP and subsequent modifications: 7A, 7B, 7C, 7D, 8E, 8 W , 1 0 , 13A and

13B. Nomenclature of vegetative taxa encountered along the transects follows Wunderlin et al (2019). WAP assessments are not conducted under the County’s WUP for

Clear and Goose Lakes since these are monitored under the Tampa Bay Water

Consolidated WUP.

2.2.2 Ecological Data Analysis

As described in Section 2.2.1, data is collected as part of the WAP to assess the health and general condition of each augmented wetland. Fifteen (15) categories are used to assess the health or condition of each wetland system, as shown on Tables 9 and 10 (Appendix E). As part of the evaluation process, each of the applicable categories is ranked one (1), two (2), or three (3) depending upon the evaluation criteria and the condition of the wetland system. A rank of three ( 3) represents normal wetland conditions with minimal disturbances. A rank of one ( 1) represents atypical wetland conditions.

To facilitate comparisons of wetland conditions over time, a total WAP score was calculated for each of the monitored wetland systems. The total WAP score represents the sum of the ranking of the WAP categories. If a wetland system can be ranked on all 15 major categories of the WAP, the maximum score would be 45 (15 times 3). However, individual categories can be eliminated if the specific parameter is not applicable. Under these scenarios, the maximum score would be less than 45.

For example, if water depths in wetlands were too deep to assess soil subsidence, this category would not be ranked. In this case, the maximum WAP score would be 42.

Due to this variability in the maximum WAP score, comparisons of total WAP scores between all wetland systems are not considered appropriate. To assist in the evaluation of total WAP scores for individual wetlands, factors contributing to a particular score have been noted.

Due to the variability in the maximum WAP score that is based on the presence or absence of wetland components versus a change in wetland condition, the percent of maximum WAP score was calculated to facilitate comparisons between wetlands of similar community types. The percent of maximum WAP score is considered to represent the overall wetland health and is calculated by dividing the total WAP score by the maximum possible WAP score. Wetlands with normal vegetation trends and hydrology are expected to have the highest percent of maximum

WAP score.

WAP scores were compiled and summarized in tables for individual wetlands.

Descriptive graphs were used to analyze any changes in wetland WAP score between

June and September monitoring.

2.3 Ground Photography

Photographs of the augmentation sites were taken from fixed points along each transect during April and September monitoring events (Appendix F).

2.4 Wildlife Observations

Wildlife utilization was assessed for each monitoring location during each monitoring event based on visual observations or indications of presence based on sound, burrows, tracks, scat, etc. Wildlife observations are recorded on the WAP datasheets and summarized on Table 12 (Appendix E).

3.0 RESULTS AND DATA ASSESSMENT

3.1 Hydrology

3.1.1 Augmentation Wells Withdrawals

During WY 2021 Well 1 augmentation quantities totaled 19.09 MG for the year

(Appendix A - Figure 6 and Appendix C - Table 3). The average daily withdrawal from

Well 1 was 52,290 gpd. This well was pumped in December 2020 and January 2021;

and March through August 2021. Goose Lake, Sites 7B, 7C and 7D were the recipients of substantial augmentation water during these months. The amount discharged in August was de minimis. Water levels in these wetlands generally rose and fell predominately with rainfall because the withdrawals from this well were not substantial, although amounts were slightly higher than the previous water year. (Appendix A Figure 7, and

Figures 9 through 14, Appendix C – Table 4).

Well 4 augmentation quantities for WY 2021 totaled 27.70 MG (Appendix A - Figure 15).

These quantities were distributed to Site 13A and Site 13B (Appendix A – Figures 7, 16 and 17). The average daily withdrawal for Well 4 was 75,885 gpd. Well 4 was pumped every month of the water year (Appendix A - Figure 15). The total augmentation quantities for each site are provided in Appendix A – Figure 7.

3.1.2 Wetland Augmentation

Sites 13B and 13A by far received the largest volumes of augmentation water, followed by Goose Lake, sites 7D and 7B, respectively (Appendix A – Figure 7). It should be noted that Clear Lake and Goose Lake are also augmented by Tampa Bay Water (these amounts are not included in this report). Clear Lake received de minimis amounts of augmentation water in December, January and April; Site 8 received de minimis augmentation water in all months this well was pumped; Site 10 received small volumes of water in June and July, and de-minimis amounts of water during December, January and August. Sites 13A and 13B were augmented in every month of the water year, the highest amounts being received in May and February. Figure 7 in Appendix A graphically depicts total wetland augmentation quantities, Figure 8 shows monthly augmentation withdrawals, and Table 4 in Appendix C presents wetland augmentation data.

3.1.3 Surficial Aquifer Groundwater Levels

The results of groundwater level data are discussed below using Pinellas County I.D. for site designations. District I.D. numbers for each of these sites are provided in Appendix

B and also on the referenced Figures. Groundwater levels are measured twice-monthly at eleven (11) monitoring wells. Appendix A – Figures 18 through 28 graphically depict surficial aquifer elevation data, and Table 5 in Appendix C lists the data in tabular form.

Surficial aquifer water level for Clear Lake ranged from a minimum 65.58 feet NGVD in

May 2021 to a maximum of 70.29 feet NGVD in September 2021, a water level fluctuation of 4.71 feet (Table 5). In comparison with WY 2020, water level elevation ranged from 66.49 feet NGVD to 69.67 feet NGVD. Water level fluctuated with rainfall;

Clear Lake was not augmented by Pinellas County but may have been augmented by

Tampa Bay Water (Appendix A - Figure 18).

Goose Lake surficial aquifer water level fluctuated 3.85 feet during WY 2021 with elevation ranging from 70.80 feet NGVD in May 2021 to 74.65 feet NGVD in September

2021. In comparison with WY 2020, water elevation ranged from 71.61 feet NGVD to

74.82 feet NGVD. Groundwater elevation fluctuated largely with rainfall; Goose Lake was augmented by Pinellas County primarily from March through July 2021 and may have also been augmented by Tampa Bay Water (Appendix A – Figure 19).

Site 7A recorded groundwater level fluctuated 3.28 feet with water elevation ranging from

68.41 feet NGVD in May 2021 to 71.69 feet NGVD in September 2021. By way of comparison with WY 2019, water elevation ranged from 69.06 feet NGVD to 71.28 feet

NGVD. This site was not augmented in WY 2021, so groundwater elevation was influenced by rainfall (Appendix A - Figure 20).

Site 7B groundwater level fluctuated 3.42 feet with elevation ranging from 69.55 feet

NGVD in late May 2021 to 72.97 feet NGVD in September 2021. In comparison with WY

2019, water elevation ranged from 69.98 feet NGVD to 72.41 feet NGVD. This site was augmented minimally from March through May 2021, so groundwater elevation was primarily influenced by rainfall (Appendix A - Figure 21).

Site 7C measured groundwater level fluctuated 2.56 feet with water elevations ranging from 68.87 feet NGVD in May 2021 to 71.43 feet NGVD in September 2021. By comparison with WY 2020, water elevation ranged from 69.58 feet NGVD to 71.28 feet

NGVD. Groundwater elevation was primarily influenced by rainfall as this site was lightly augmented from March through July 2020 (Appendix A - Figure 22).

Site 7D groundwater level fluctuated 2.66 feet with water elevation ranging from 68.61 feet NGVD in May 2021 to 71.27 feet NGVD in August 2021. By comparison with WY

2019, water elevation ranged from 69.01 feet NGVD to 70.81 feet NGVD. Groundwater elevation was primarily influenced by rainfall as this site was lightly augmented from

March through July 2021 (Appendix A - Figure 23).

Site 8-1(NE) (north monitor well) groundwater level fluctuated 3.53 feet with water elevation ranging from 69.60 feet NGVD in late May 2021 to 73.13 feet NGVD in

September 2021. In comparison with WY 2020, water level ranged from 70.27 feet

NGVD to 73.30 feet NGVD. This site was not substantially augmented in WY 2021 so groundwater elevation was influenced by rainfall (Appendix A - Figure 24).

Site 8-2(SW) (south monitor well) groundwater level fluctuated 3.64 feet with water elevation ranging from 69.46 feet NGVD in May 2021 to 73.10 feet NGVD in August

2021. In WY 2020, water elevation ranged from 72.76 feet NGVD to 70.45 feet NGVD.

Site 8-2(SW) was not augmented in WY 2021 so groundwater elevation was driven by rainfall (Appendix A - Figure 25).

Site 10 groundwater levels fluctuated 3.48 feet with water elevation ranging from 68.96 feet NGVD in May 2021 to 72.44 feet NGVD in September 2021. By comparison with

WY 2020, water elevation ranged from 69.77 feet NGVD to 72.07 feet NGVD (Appendix

A - Figure 26). This site had very small amounts in June and July only so groundwater elevation was primarily influenced by rainfall.

Site 13A groundwater level fluctuated 3.48 feet with water elevations ranging from 72.92 feet NGVD in May 2021 to 77.18 feet NGVD in August 2021. By comparison with WY

2020, water elevation ranged from 72.52 feet NGVD to 75.86 feet NGVD. This site was augmented in every month in WY 2021, so groundwater was maintained with augmentation and fluctuation was driven by rainfall (Appendix A - Figure 27).

Site 13B groundwater level fluctuated 2.34 feet with water elevation ranging from 69.76 feet NGVD in January 2021 to 72.10 feet NGVD in September 2021. In comparison with

WY 2020, water elevation ranged from 70.24 feet NGVD to 71.67 feet NGVD. This site was augmented in every month in WY 2021, so groundwater was maintained with augmentation and fluctuation was driven by rainfall (Appendix A - Figure 28).

In summary, during WY 2021 surficial groundwater level fluctuations ranged from 2.34 feet at the Site 13B monitor well to 4.71 feet at Clear Lake. Depth to groundwater ranged from 1.45 feet at Site 13A to 9.36 feet at Goose Lake. Average composite groundwater elevation did not vary substantially from the composite average of WY 2020.

Groundwater elevation ranged between a minimum of 66.58 feet NGVD at Clear Lake in

May 2021 and maximum of 77.18 feet NGVD at Site 13A in August 2021. Composite average rainfall in WY 2021 was about two and one half inches higher than in WY 2020.

Yearly rainfall amount was also above average; there were substantially higher amounts of rainfall during the wet season than the normal dry season, so the seasonal rainfall pattern (dry season, wet season), was typical for Florida.

In general, groundwater elevation changes were primarily influenced by rainfall in the sites served by Well 1 (Clear Lake, Goose Lake, Sites 7A, 7B, 7C, 7D, 8 and 10) in WY

2021. In wetlands served by Well 4 (Sites 13A and 13B), groundwater elevations were maintained with augmentation during the dry season, then rose in response to wet season rainfall. Groundwater levels from the previous water-year wet season started to recede before the beginning of the 2021 water year and continued to recede into the dry season throughout Cross Bar Ranch. Dry season groundwater levels receded to levels lower than were seen in the previous water year’s dry season, but the normal dry season/wet season pattern was evident.

3.1.4 Surface Water Levels

Surface water levels are measured twice-monthly at eleven (11) staff gauge stations. All sites held water over the entire water year (Appendix A - Figures 18 through 28 and

Tables 6 and 8 in Appendix D).

Clear Lake water depths at the staff gauge locations ranged from 1.59 feet in May 2021 to 5.19 feet in August 202. Goose Lake water depths at the staff gage ranged between

5.92 feet in October 2020 and receded to 1.92 feet in May.

Site 7A water depths ranged between 1.84 feet in May 2021 to 4.58 feet in September

2021. Site 7B held 0.14 feet of water in June 2021 and rose to a high of 2.82 feet in late

September 2021.

Site 7C water depths ranged between 2.18 feet in late May 2021 to 3.96 feet in July

2021. Site 7D water depths ranged between 1.78 feet in late October 2020 to 0.40 feet in

June 2021.

Site 8-1(NE) water depths ranged between 1.33 feet in late May 2021 to 3.18 feet in July

2021. Site 8-2(SW) water depths rose from 2.22 feet in late May 2021 to 5.80 feet in

September 2021.

Water depth at Site 10 was just at land surface in late May 2021 and then rose to 2.37 feet in August 2021.

Site 13A water depths rose from 0.92 feet in late May 2021 to 4.30 feet in August 2021.

Site 13B water depths rose from 0.76 feet in late May 2021 to 1.85 feet August 2021.

In summary, all sites held water over the entire water year. Maximum depth of water recorded at the staff gages was 5.92 feet at Goose Lake; surface water level fluctuation ranged between 1.09 feet at Site 13B to 4.00 feet at Goose Lake.

3.1.5 Rainfall

Tampa Bay Water maintains five (5) rainfall stations at Cross Bar Ranch. The average composite rainfall for the five stations was 58.92 inches during WY 2021 (see Figures 4 and 5, Appendix A, and Table 1 in Appendix C). Rainfall accumulation was highest during the month of July at 12.65 inches, followed by August and June, and September, respectively. The composite average rainfall for WY 2021 exceeded Cross Bar’s period of record composite rainfall average of 55.54 inches (WY 2001 through 2020) by 3.38 inches. Rainfall during WY 2021 is the 6th highest amount in the range of recorded rainfall since augmentation commenced in 2001. WY 2003 composite average rainfall of

77.84 inches was the highest, followed by WY 2015 with 68.18 inches and WY 2004 with

68.02 inches. Rainfall at the nearby St. Leo rain gauge was 57.36 inches for WY 2021, approximately one and a half inches lower than rainfall recorded at the Cross Bar stations in WY 2021. Water years 2005 and 2006 are the two driest recorded at Cross Bar Ranch since Pinellas County initiated augmentation at Cross Bar Ranch in 2001.

3.1.6 Water Quality

For WY 2020 pH levels were 6.39 at Well 4 and 6.76 at Well 1. Hardness was 179 mg/L in both Well 1 and Well 4. Conductivity level was 368 micromhos per centimeter

(µmhos/cm) at Well 1 and 369 µmhos/cm at Well 4. Both wells were successfully sampled for the annual sampling event in May 2021, as required (Table 2 - Appendix C).

3.2 Ecological Monitoring Results and Data Assessment

3.2.1 Qualitative Monitoring

This section discusses the current ecological condition of each of the nine (9) ecological monitoring stations. Tables 9 and 10 in Appendix E provide a summary of the wetland conditions based on the Wetland Assessment Procedure (WAP) discussed in Section 2.2. The last two (2) columns of Tables 9 and 10 in Appendix E provide a total score for the fifteen (15) assessment categories and the percent of the maximum WAP scores. These scores are graphically depicted in Appendix A -

Figures 29 and 30 . The total maximum wetland score was not achieved at any of the ecological monitoring stations. As indicated in Section 2.2 the dry season monitoring was conducted during the month of April 2021 with the wet season monitoring conducted during the month of September 2021. Wetland Stations 7D, 8W, 13A, and 13B all received the highest score of 37 (out of 42) in April 2021, during the dry season monitoring event. Wetland Stations 7D, 13A, and 13B, received the highest score of 38 (out of 42) in September 2021, during the wet season monitoring events.

Stations 7B and 8E received the second highest score of 34 (out of 42) during the April

2021 event, and stations 8E and 8W received the second highest score of 37 (out of 42) during the September 2021 event. Wetland Station 10 received the lowest score of

30 during the April 2021 monitoring event. Wetland station 10 also received the lowest score of 30 during the September 2021 event. This low score was due to a high cover of weedy species and a plant composition dominated by facultative and upland species in the transition zone in shrub and groundcover categories.

Due to inundation, soil subsidence could not be assessed at the sites during WY 2021.

The average WAP score for each of the 14 assessed categories and nine (9) ecological monitoring stations was 34.33 for April 2021, and 35.11 for September 2021.

The average for each category was 2.45 for April 2021 and 2.51 for September 2021;

(i.e., 34.33 divided by the 14 categories = 2.45; 35.11 divided by the 14 categories

= 2.51). The average percent of the maximum WAP score for April 2021 was 81.75% and for September 2021 it was 83.60% for the nine (9) sites. In comparison, the average percentage of maximum WAP score for April 2001 was 29.4% and May 2002 was 28.78%.

The average WAP scores, average category scores, and percent of maximum WAP scores in 2021 are higher for both dry and wet seasons than those recorded during initial monitoring in 2001. The consistently higher scores indicate an overall improvement in wetland conditions, including species composition, species zonation and improved hydrology. Sites 7D, 8 E , 8 W , 1 3 A , a n d 1 3 B received the highest scores indicating that these systems are the healthiest of the augmented wetlands.

These sites contain the largest percentage of appropriate plant species in both zones with only minor weedy components as outlined in Table 11, Appendix E.

3.2.1.1 General Conditions at Monitoring Stations

A summary of vegetation and general site conditions based on the WAP is provided in

Table 11, Appendix E. In general, the overall site conditions are stable and trending toward improvement, as discussed above. In addition, efforts have been initiated in recent years to controlling nuisance vegetation around augmented sites.

Man-made Disturbances

During the WAP monitoring, man-made disturbances were identified within most of the ecological monitoring sites. Man-made disturbances included drainage ditches, culverting, fire lanes, roads, and clear cutting and re-planting of adjacent pine. Most of the man- made disturbances are a result of historical activities, silviculture, and mowing.

Eight (8) of the monitoring sites (7A, 7B, 7C, 7D, 8-1(NE), 8-2(SW), 10 and 13B) have culverts associated with historic drainage alterations. Sites 7D and 13B contain extensive historical agricultural ditching throughout the wetland interior, however, a ditch block is located downstream of each of these sites to retain water prior to discharging when the operation plan conditions are met. Due to the restrictive nature of the operation plan implementation opportunities are limited unless flood conditions are present. The agricultural ditches were submerged but evident during the April and

September WY 2021 monitoring period. Historically soil fissures were present at these sites but they continue to dissipate and fill in. All nine (9) sites had water in the wetland interior during the April 2021 and September 2021 monitoring events.

With the exception of Site 13A, all of the monitoring sites historically exhibited significant evidence of historical subsidence. The primary indicator of subsidence was exposed roots of wetland trees; however, they were not observable during the monitoring events due to water depths.

Fire

None of the sites indicated significant evidence of recent or historic fire.

3.2.2 Wildlife

During the 2021 WAP monitoring events, direct and indirect incidental wildlife observations were documented at each of the monitoring stations. Indirect observations included vocalizations, tracks, scat, burrows, nests, etc. A list of all species observed and the locations documented is provided in Table 12 in Appendix E. A total of eighteen (18) wildlife species were documented, including eleven (11) birds, four (4) amphibians, two (2) reptiles, and one (1) fish species. Many of the species observed rely on wetlands for at least a portion of their life cycle, including four (4) avian species, one

(1) reptile species, two (2) species of frogs, and one (1) species of fish. Florida sandhill crane (Grus canadensis pratensis), a state-designated Threatened species – was observed at Wetland 13B during the April and September monitoring events. American

Alligator (Alligator mississippiensis), a federally Threatened species – was observed at wetland 8W during the April monitoring event. All the monitored wetlands appear to provide suitable habitat for many more species of wetland-dependent wildlife that were not observed during the monitoring events.

4.0 CONCLUSIONS

This is the twenty-first (21st) annual report as required by Condition #10 of the previous permit and the eleventh (11th) under condition #2 of the renewed (current) permit. Only

Clear and Goose Lakes were augmented in WY 2001 on a consistent basis. The remaining sites (7A, 7B, 7C, 7D, 8, and 10) have received periodic augmentation over this time period. This is the twentieth (20th) year (WY 2002-2021) of augmentation for sites 13A and 13B. The WAP assessment indicates an increase of wetland scores from initial monitoring in WY 2001 to WY 2021.

Augmentation water was sent to Goose Lake and sites 7B, 7C, 7D, 8 and 10 from Well 1.

Relatively high water levels in the augmented sites served by this well kept necessary withdrawals to a minimum. Sites 13A and 13B received augmentation water from Well 4 during every month of WY 2021. Above-average rainfall in recent years and dry season rainfall helped to maintain and exceed permit target water in most sites served by augmentation Well 1; these augmented sites appeared to retain water fairly well, but there may be a recent onset of hydraulic influences other than precipitation and augmentation that account for this retention. Recorded surface water elevations ranged from 66.22 ft NGVD at Clear Lake to 77.22 ft. NGVD at Site 13A.

Average composite groundwater elevation in WY 2021 as insignificantly different from that of WY 2020. The range of fluctuation in groundwater elevations was marginally higher in 2021 than 2020. Augmentation from Well 1 was marginally higher in WY 2021 than in WY 2020, and augmentation from Well 4 was also higher. Periodic augmentation kept water levels relatively steady and seasonally adjusted. Surface water levels mainly fluctuated with the dry and wet season rainfall patterns. Additionally, average surface water levels were lowest in May 2021, started recovering in June with wet-season rainfall, and peaked in August and September 2021. Groundwater elevations followed the same pattern. Both surface water and groundwater elevations on average were substantially about the same in WY 2021 as in WY 2020. Annual groundwater quality results for both

Well 1 and Well 4 in 2020 show pH was slightly higher compared to the previous May, while hardness was slightly lower and conductivity was the same.

The WAP scores obtained from the wetland assessments conducted during WY 2021 indicate the wetland vegetative community zonation has improved since the initial monitoring events and continues to be stable. The average WAP score for each nine (9) ecological monitoring stations was 34.33 for April 2021, and 35.11 for September 2021.

The average percent of the maximum WAP score for April 2021 was 81.75% and for

September 2021 it was 83.60% for the nine (9) sites; a significant increase compared to the average percentage of maximum WAP score of 29.40% April 2001 and 28.78% in

May 2002. Wetland Stations 7D, 8W, 13A, and 13B all received the highest score of 37

(out of 42) in April 2021, during the dry season monitoring event. Wetland Stations 7D, 13A, and 13B, received the highest score of 38 (out of 42) in September 2021, during the wet season monitoring events. Stations 7B and 8E received the second highest score of 34 (out of 42) during the April 2021 event, and stations 8E and 8W received the second highest score of 37 (out of 42) during the September 2021 event.

5.0 REFERENCES

Florida Fish and Wildlife Conservation Commission, November 2010; Florida’s Endangered Species, Threatened Species and Species of Special Concern.

Florida Fish and Wildlife Conservation Commission, January 2004; Florida’s Endangered Species, Threatened Species and Species of Special Concern.

Reed, Porter B., Jr., May 1988; National List of Plant Species That Occur in Wetlands:

Florida, U.S. Fish and Wildlife Service

Soil Conservation Service, June 1982; Soil Survey of Pasco County, Florida. U.S.

Department of Agriculture.

NOAA National Climate Data Center, St. Leo, Florida Daily Precipitation, WY 2020, https://www.ncei.noaa.gov/orders/cdo/1127675.csv

Tampa Bay Water, March 2000; Environmental Management Plan for the Tampa Bay Water Central System Wellfields.

Tampa Bay Water; Rainfall Data for Cross Bar Ranch, WY 2021.

Wunderlin, Richard P., 1998 Guide to the Vascular Plants of Central Florida.

Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. 2019. Atlas of Florida Plants (http://florida.plantatlas.usf.edu/). [S. M. Landry and K. N. Campbell (application development), USF Water Institute.] Institute for Systematic Botany, University of South Florida, Tampa.

APPENDIX A

FIGURES AND HYDROGRAPHS

PASCO

HILLSBOROUGH

HERNANDO

PINELLAS

POLK

SUMTER

Pa th

(E :\M ap pi ng \C ro ss

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Figure 1 Location Map

Cross Bar Ranch Pasco County, Florida

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Figure 2 Cross Bar Ranch

Pasco County, Florida .0 2,000

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PCU Augumentation Site

Al Bar Ranch

Source: Tampa Bay Water, 2020

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Figure 4 - Cross Bar Ranch Average Composite Monthly Rainfall, WY 2021

Source: Tampa Bay water, 2020

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Figure 5 - Total Monthly Rainfall by Station, Cross Bar Ranch, WY 2021

CBR-BFISH CBR-CB01 CBR-CB13 CBR-GREGG CBR-S-1S

Oct-20 Nov-20 Dec-20 Jan-21 Feb-21 Mar-21 Apr-21 May-21 Jun-21 Jul-21 Aug-21 Sep-21

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Figure 6 - Monthly Withdrawals Well 1 Cross Bar Ranch WY 2021

60 (CL-SG) 61 (GL-SG) 62 (7A-SG) 63 (7B-SG) 64 (7C-SG) 65 (7D-SG) 66 (8-1(NE)) 67 (10-SG) 68 (13A-SG) 69 (13B-SG)

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Figure 7 - Total Augmentation Quantities by Wetland Site, Cross Bar Ranch WY 2021

0.004 0.450.26

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Figure 8 - Total Monthly Augmentation Well Withdrawals, Cross Bar Ranch WY 2021

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G

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Figure 9 - Goose Lake Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

0.0040.05

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Figure 10 - Site 7B Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

0.08

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Figure 11 - Site 7C Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

0.070.02 0.07 0.09 0.002

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(M G

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Figure 12 - Site 7D Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

0.04 0.01

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Figure 13 - Site 8-1(N) Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

0.090.02 0.09 0.03 0.01

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Figure 14 - Site 10 Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

0.0030.01 0.001

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Date

Figure 15 - Well 4 Monthly Withdrawals, Cross Bar Ranch WY 2021

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G

Figure 16 - Site 13A Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

Oct-20 Nov-20 Dec-20 Jan-21 Feb-21 Mar-21 Apr-21 May-21 Jun-21 Jul-21 Aug-21 Sep-21

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Figure 17 - Site 13B Monthly Augmentation Quantities, Cross Bar Ranch WY 2021

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Figure 27 - Site 13A Bi-weekly Staff Gauge and Monitor Well Water Elevations, Cross Bar Ranch, WY 2021

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Figure 28 - Site 13B Bi-weekly Staff Gauge and Monitor Well Water Elevations, 69 (13B-SG) 59 (13B-MW)

Source: PEACOCK AND ASSOCIATES, LLC

7A-CB 7B-CB 7C-CB 7D-CB 8E-CB 8W-CB 10-CB 13A-CB 13B-CB

W

AP

S co re s a nd M ax S co re s

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Figure 29 Wetland Assessment Scores at Cross Bar Ranch April 2021

Total WAP Score

Max.WAP Score

Source: PEACOCK AND ASSOCIATES, LLC

7A-CB 7B-CB 7C-CB 7D-CB 8E-CB 8W-CB 10-CB 13A-CB 13B-CB

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Figure 30 Wetland Assessment Scores at Cross Bar Ranch September 2021

Total WAP Score

Max.WAP Score

APPENDIX B

WATER USE PERMIT

DETAILS FOR AUGMENTATION AND MONITOR WELLS

May 24, 2011

Pinellas County Utilities 14 South Fort Harrison Ave, 6th Floor Clearwater, FL 33756

Subject: Final Agency Action Transmittal Letter Individual Water Use Permit No. 20 004649.007

Dear Pinellas County Utilities:

This Water Use Permit was approved by the District Governing Board subject to all terms and conditions set forth in the Permit.

Please be advised that the Governing Board has formulated a water shortage plan as referenced in Condition 15 of the Standard Water Use Permit Conditions (Exhibit A), and will implement such a plan during periods of water shortage.