2024-01-06 - Permit Narratives Form - Lagoon Seepage Analysis No. 2.pdf

PERMIT NARRATIVE CONDITIONS REPORT FORM

Page 1 of 3 October 2021

Permit Narrative Conditions

Division Routing

Date received____________

Data entered____________

Permits Reviewed_________

Enforcement Reviewed_____

Engineering Reviewed______

Please print or type all information.

You must use this form whenever you are submitting any documents to the Water Quality Control Division (besides permit modification applications and annual reports) that are required by your permit, including documents you are submitting to comply with items listed in your permit’s compliance schedules or any other reports or Special Studies required by your permit.

All items must be filled out completely and correctly.

Colorado Dept of Public Health and Environment

Water Quality Control Division - Records 4300 Cherry Creek Dr South WQCD-P-B2

Denver, CO 80246-1530

Instead of mailing the form with a wet signature, you may email a digitally signed form to:

cdphe.wqrecordscenter@state.co.us.

Do not follow up with a mailed-in hard copy.

The directions for electronic signatures can be found at this FAQ at question 41.

PART A. IDENTIFICATION OF PERMIT Please write the permit number

PERMIT NUMBER _________________________

TYPE OF PERMIT (Check as many as apply):

Individual Permit

Domestic Wastewater Treatment Facility Discharging to Groundwater

Domestic Wastewater Treatment Facility Discharging to Surface Water

Industrial/Mining

Dewatering

Other (Please describe)____________________________________________________________________

PART B. PERMITTEE INFORMATION (form should be signed by the legal contact listed here)

Company Name

Mailing Address

City State Zipcode

Legal Contact Name

Phone No.

Title Email mailto:cdphe.wqrecordscenter@state.co.us https://drive.google.com/file/d/1zW8ux9ugeFyEZ0fD11y1P0D1k0soWqsp/view

PERMIT NARRATIVE CONDITIONS REPORT FORM (continued)

Page 2 of 3 October 2021

PART C. FACILITY/PROJECT INFORMATION

Facility/Project

Name

Location (address)

City County

Local Contact Name Phone No.

Title Email

PART D. CONTENTS AND PURPOSE OF SUBMISSION

1. What is the nature of the attached document?

Status Report

Mixing Zone Study

Tracer Study

Sediment Control Plan

Documentation of Installation of Temperature Monitoring Equipment

Salinity Study

Inflow/Infiltration Study

85 Percent Removal Waiver Report

Groundwater Study

Seepage Rate Study

Arsenic Temp Mod

Other (please describe)_________________________________________________________

2. Is this document submitted to comply with a compliance schedule in your permit? YES___ NO__

3. If this is a compliance schedule document, please answer the following:

a. What is the name or description of the compliance schedule? (For example, Activities to Meet Total Ammonia Final Limits)

b. What is the “code” in the compliance schedule chart for this item ________

PERMIT NARRATIVE CONDITIONS REPORT FORM (continued)

PART E. ADDITIONAL DESCRIPTION INFORMATION INCLUDED (a summary of information attached)

In order to ensure influent and effluent flow is being accurately tracked, Town of Hot Sulphur Springs recently installed a new v-notch weir and re-calibrated both the influent and effluent ultra-sonic units.

Comparative data from December 15, 2023 to January 1, 2024 has been obtained and analyzed.

Although this is a very limited dataset, it appears that there is an average of 40% wastewater loss between the influent and effluent meters. The attached table depicts the influent and effluent data, and percentage loss calculation.

The town plans to drain the oldest of the two ponds to inspect the liner during the ·early summer of 2024. It is not advisable for the town to do this work during winter. Should the inspection find issues with the liner, a plan to repair and/or replace the liner will be generated.

It will likely take longer than the current corrective action completion deadline of 1/31/2025 to complete the inspection, plan, fund, and complete the liner replacement project. Therefore a permit modification will be requested delaying the current 1/31/2025 deadline.

e PART E. CERTIFICATION Required Signatures

"I certify under penalty of law that I have personally examined and am familiar with the information submitted in this application and all attachments and that, based on my inquiry of those individuals immediately responsible for obtaining the information, I believe that the information is true, accurate and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fine or imprisonment.

"I understand that submittal of this application is for coverage under the State of Colorado Discharge Permit System until such time as the application is amended or the certification is transferred, inactivated, or expired."

Date Signed

(printed)

Page 3 of 3 October 2021

LAGOON SEEPAGE DATA

(December 15-31, 2023)

DATE

INFLUENT

TOTALIZER

INFLUENT

GALLONS/DAY

EFFLUENT

TOTALIZER

EFFLUENT

GALLONS/DAY

GALLONS/DAY

LOSS

PERCENTAGE

LOSS

12/15/2023 56,710,076 68,886 74,621 55,023 13,863 20%

12/16/2023 56,778,962 68,886 129,644 55,023 13,863 20%

12/17/2023 56,847,848 68,888 184,667 55,025 13,863 20%

12/18/2023 56,916,736 64,532 239,692 17,897 46,635 72%

12/19/2023 56,981,268 65,744 257,589 58,725 7,019 11%

12/20/2023 57,047,012 63,440 316,314 62,588 852 1%

12/21/2023 57,110,452 76,112 378,902 54,896 21,216 28%

12/22/2023 57,186,564 69,284 433,798 32,876 36,408 53%

12/23/2023 57,255,848 59,832 466,674 34,390 25,442 43%

12/24/2023 57,315,680 71,320 501,064 43,870 27,450 38%

12/25/2023 57,387,000 82,200 544,934 37,910 44,290 54%

12/26/2023 57,469,200 77,072 582,844 36,213 40,859 53%

12/27/2023 57,546,272 68,628 619,057 39,033 29,595 43%

12/28/2023 57,614,900 60,892 658,090 23,874 37,018 61%

12/29/2023 57,675,792 88,876 681,964 49,307 39,569 45%

12/30/2023 57,764,668 78,892 731,271 35,471 43,421 55%

12/31/2023 57,843,560 78,892 766,742 35,472 43,420 55%

1/1/2024 57,922,452 -- 802,214 -- -- --

40%Average Percent Difference