olym 115-1_WQMPP.docx

Water Quality Monitoring and Protection Plan (WQMPP)

WA NP OLYM 115(1) Repair Storm Damage on Mora Road

Clallam County, Washington

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Table of Contents

ATTACHMENTS

Attachment A - Sample Monitoring Results Reporting Form Attachment B - Monitoring Location Maps

Acronyms and Abbreviations

PURPOSE:

This Water Quality Monitoring and Protection Plan (WQMPP) is required per the project’s 401 Certification. The WQMPP provides specific information on activities that will be performed within and/or over waters of the state, including wetlands. The WQMPP will be used to track the performance of best management practices (BMPs) used during in-water work within the project limits of the Repair Storm Damage on Mora Road Project (Project).

This WQMPP includes a monitoring schedule (see Water Quality Monitoring section below) that identifies the appropriate parameters to be monitored, locations, monitoring and sampling procedures, and frequency. Attachment A is a Sample Monitoring Results Recording Form.

OBJECTIVES:

This WQMPP will:

· Document the performance of BMPs and procedures used within and over waters of the state, including wetlands, we are working in; and

· Determine if Water Quality Standards are being met at the edge of the area of mixing as defined in Washington Administrative Code (WAC) 173.201A.200.

· Help to ensure compliance with the conditions of the 401 certification while conducting construction activities below the Ordinary High Water Line (OHWL).

The WQMPP includes identification of the appropriate parameters to be monitored, locations, monitoring and sampling procedures, and frequency. It also contains the BMPs and construction procedures that will be used to reduce impacts to waters of the state during specific identified construction activities over waters and/or below OHWL, including wetlands. These elements are described in detail and drawings are included, when necessary.

ACTIVITY DESCRIPTION

The Project is located in Clallam County, Washington in Olympic National Park (ONP) and on Quileute Tribe lands. The proposed Project will take place in the northeast section of Section 22, Township 28 North, Range 15 West at 47.924099° North latitude, -124.607962° West longitude. The Project will occur on the Quillayute River in Water Resource Inventory Area (WRIA) 17, and in sixth-level watershed 1710010103, Hoh-Quillayute.

A section of the paved Mora roadway washed out in 2019 requiring the ONP to implement emergency repairs through the installation of rip-rap to reestablish motorized traffic access to and from ONP and Quileute Tribal resources and the Corps maintained jetty. Emergency repairs were conducted in 2019 under Corps permit #NWS-2009-111.

Project actions consist of the installation of a multiple log deflector and revetment structure to 1) stabilize the roadway embankment; 2) train the Quillayute River away from; Mora Road and 3) improve fish habitat by adding wood to the system.

Construction activities will involve workplace isolation measures including:

· Implementing fish exclusion measures (seining, netting, and electrofishing) prior to dewatering;

· Installing and maintaining a water diversion in the Quillayute River during the in-water work period from July 15 to February 15 to isolate the work area;

· Sediment monitoring.

Construction best management practices to be implemented include.

· Implementation of Soil Erosion and Sediment Control best management practices

· Installing plantings and coarse woody debris over stabilized bank; and

· Reseeding exposed soil to establish vegetative cover.

The result of this Project will be a more robust fix to reinstate reliable motorized access for ONP, the Quileute Tribe, and the U.S. Army Corps of Engineers. Also, hannel improvements will reduce the potential for future roadway washout and improve in-stream habitat.

Work above the Ordinary Highwater Mark and floodplain will include:

· mobilization;

· construction of the multiple log structure

· demobilization The roadway will be closed for the duration of construction to permit the use of the roadway to mobilize and stage materials and equipment. Mobilization involves bringing materials on site and preparing the site for construction including and setting up SESC BMPs and workplace isolation. Mobilization will involve standard vehicles (pickup trucks and cars).

Construction of the multiple log structure will involve installing rip-rap and large woody debris, rebuilding and paving the subgrade surface, and signage and striping. Equipment includes the following equipment:

· backhoe;

· compactor (ground);

· dump truck;

· excavator;

· generator;

· grader;

· paver; and

· roller.

Demobilization will involve break-down of the site and removing temporary best management practices involved with construction. Demobilization will involve standard vehicles (pickup trucks and cars).

Work below the ordinary high water mark (OHWM) and within the 100-year floodplain will include embankment work detailed further in the next section.

IN-WATER WORK – STREAM DIVERSION/ISOLATION

Embankment work will involve the following equipment:

· backhoe;

· dump truck;

· excavator;

· generator;

· pumps; and

· chainsaws.

Embankment work will occur within the Quillayute River channel within 100-year floodplain and will involve placing additional plantings and coarse woody debris in the area of the emergency stabilization to help facilitate the establishment of native vegetation.

Dewatering/diversion of a segment of the river channel adjacent to the road would occur with the use of a floating turbidity curtain. The Project would include reconstruction of approximately 600 linear feet of road embankment/armoring just east completed emergency repairs. Plantings and placement of coarse woody debris would occur in the previous area of the emergency stabilization (east) to help establish of native vegetation. A dewatering plan will be created by the contractor and reviewed and approved by Federal Highway Administration (FHWA) prior to construction. It is uncertain how large the dewatered segment will be because of the dynamism of the Quillayute River at this location. Approximate channel diversion plans and accompanying excavated channel are included in the Project plans, but location and extent of impact is subject to change as per field conditions at time of construction. Project engineers estimate the dewatered channel could be a maximum of 700 feet long and a total of 1 acre. Pumps will be used if needed and pumped water will be discharged 150 feet away from Quillayute River. Prior to and during drawdown, fish will be captured via seining, netting, and lastly, electrofishing, then released outside the Project area. The steps of dewatering are as follows:

1. Staging clean equipment and materials at the job site.

2. Constructing an access ramp from the road to the river channel from large riprap.

3. Installing the floating turbidity curtain

4. Conducting fish exclusion and dewatering.

5. Continuing fish exclusion and dewatering as needed.

6. Conducting work below ordinary high water in the dry during the in-water work period from July 15 to February 15.

7. Pump isolate area as needed

8. Recontouring the Project area, revegetating with seeding and plantings and replacing large woody debris (LWD) in the Project area post-construction.

9. Remove floating turbidity curtain.

BEST MANAGEMENT PRACTICES (BMPs)

This Project is subject to the terms and conditions listed in the National Marine Fisheries Service (NMFS) and U.S. Fish and Wildlife Service (USFWS) Biological Opinions. The following includes measures used to avoid and minimize adverse impacts to the aquatic environment:

· In-water work for bank stabilization will consist of installation of large woody debris (LWD) structures anchored with timber piles like the previously permitted emergency repair work (Corps permit #NWS-2022-450). The current bank at this location consists of eroded bank and riprap. Therefore, the proposed bank stabilization work will result in an improvement to existing aquatic habitat conditions.

· All work below the OHWM will be performed during the in-water work window designated for the Quillayute River (July 15 – February 15). In-water work isolation and fish salvage will be performed to avoid and minimize adverse effects to listed fish species.

· Work area isolation will be installed prior to any ground disturbance within the active channel. Fish salvage will take place after isolation but before ground disturbing activities occur.

· Erosion control BMPs will be installed prior to ground disturbing activities and will comply with the National Pollutant Discharge Elimination System (NPDES) permit requirements administered by the Environmental Protection Agency.

· A qualified biologist will be on-site to advise of any additional necessary actions related to the aquatic environment based upon actual impacts during construction, as well as implementation of terms and conditions provided in the Biological Opinions by the USFWS (FWS/RI/2024-0124978) and NMFS (Reference Number WCRO-2024-01902).

WATER QUALITY STANDARDS FOR SURFACE WATERS

The Washington State Department of Ecology (Ecology) establishes surface water quality standards (Chapter 173-201A WAC) as required by the Environmental Protection Agency (EPA). All surface waters of the state have uses designated to them for protection under this chapter. These standards are intended to protect surface waters of the state for beneficial uses. These uses include public health, recreation, and the propagation and protection of fish, shellfish, and wildlife. This Project is located in WRIA 18, Quillayute and Bogachiel rivers. The aquatic life use designation at the project location is Core Summer as described in WAC 173-201A-602.

Surface waters of the state include lakes, rivers, ponds, streams, inland waters, saltwater, wetlands, and all other surface waters and water courses within the jurisdiction of the state of Washington.

Turbidity is the main concern during construction of this Project and is the focus of this monitoring plan. The Water Quality Standard for turbidity on all Project reaches is:

· 5 nephelometric turbidity unit (NTU) over background when the background is 50 NTU or less; or

· A 10 percent increase in turbidity when the background turbidity is more than 50 NTU.

For turbidity monitoring the following will be followed for determining the point of compliance:

a) For waters up to 10 cubic feet per second (cfs) flow at the time of construction, the point of compliance shall be one hundred feet downstream from the activity causing the turbidity exceedance.

b) For waters above 10 cfs up to 100 cfs flow at the time of construction, the point of compliance shall be two hundred feet downstream of the activity causing the turbidity exceedance.

c) For waters above 100 cfs flow at the time of construction, the point of compliance shall be three hundred feet downstream of the activity causing the turbidity exceedance.

Note: If flows cannot be determined at time of construction, the point of compliance shall be measured according to b) above at 200 feet downstream of the construction activity.

WATER QUALITY MONITORING & CRITERIA

For the Project, the construction Contractor will provide qualified personnel to conduct the water quality monitoring and report to the Western Federal Lands Highway Division (WFLHD) Contract Officer (CO) for the Project. For turbidity monitoring, a background reading must be obtained each day. One upstream and one downstream sample should be collected shortly after the work begins each day. Background monitoring will be conducted using instruments for at least five consecutive days at the beginning of monitoring. If after five days of construction, there are no exceedances of water quality standards, then sampling can transition to visual inspection. However, if there is an exceedance of water quality standards during construction, then instrument sampling will be restarted until there are at least five continuous days with no exceedances. No further sampling is required if the sample meets standards and visual inspections reveal no change in water quality throughout the day unless otherwise required. The site shall be continuously monitored visually during all in-water and over-water work. Inspection of in-water BMPs will be conducted daily and within 24 hours following a rain event.

WATER QUALITY MONITORING FREQUENCY

300 feet Compliance Point (CP)

1. WATER QUALITY CRITERIA TURBIDITY PARAMETERS: Turbidity will be monitored downstream of the in-water work activity or when visual observations indicate that water quality has degraded downstream of the work area.

The project reach of the Quillayute River is categorized as Core Summer Habitat and the criteria of the categorization apply as described in WAC 173-201A-200, table 200(1)(e).

Core Summer Habitat shall not exceed: 5 NTU over background when the background is 50 NTU or less; or a 10 percent increase in turbidity when the background turbidity is more than 50 NTU.

2. SAMPLE LOCATIONS: Sample locations will be identified by FHWA’s contractor and shall be in accordance with the table above. The work activity anticipated in the water includes the embankment work, which also includes the stream diversion. All sampling will occur during the in-water work. Sampling will continue until each action has been completed and is functioning within water quality standards. When sampling shows that water quality standards are consistently met, sampling will be suspended. Any visual observations of turbidity occurring due to the in-water actions will trigger compliance testing to determine if the work is out of compliance with the Order and water quality standards. The Contractor will be notified and additional BMPs or adjustments to existing BMPs will be required until the water quality issue has been resolved.

· A background (BG) sample location upstream of the diversion berm will be utilized to take a reading of the current water quality. The BG will be located upstream of the in-water work activity. The background reading will be taken prior to installing the diversion. The background location has been identified on the plan sheets in Attachment B. The background reading will be taken daily during the in-water work activity. During water quality sampling additional background readings will be taken if water quality appears to be fluctuating upstream of the work activity.

· Physical sampling locations for water quality compliance will occur during construction of each in-water activity at the IP (150 feet). If water quality sampling indicates that the turbidity exceeds the turbidity threshold, a sample will be taken 300 feet from the work activity, in compliance with Chapter 173-201A-200 (1)(e)(i)(D) WAC and compared to the background reading for water quality compliance. This sampling location will be identified as the CP of sampling as designated on the plan sheet. All sampling results will be recorded during construction of each in-water activity.

3. SAMPLE METHODS: All field samples will be acquired from the documented sample locations and tested on site. A Hach Model 2001P Turbidity Meter or equivalent equipment will be used to test turbidity.

All samples shall include the following information:

a. The date, sample location, and time of sampling

b. Personnel who collected the sample and their telephone number(s)

c. The analysis that was performed

d. The analytical techniques used / methods used and the method detection limits

e. The results of such analysis

Notification of exceedances that are detected through water quality monitoring shall be made to the FHWA’s WFLHD CO immediately.

All Samples will be collected following the WQMPP. All visual inspections and observations shall be noted during the monitoring process. Photographs will be taken if events occur that are out of the ordinary.

4. CONTINGENCY

· If turbidity readings indicate that water quality exceeds turbidity thresholds at the 300-foot CP downstream of the work activity, work will be ordered to cease. Sampling will continue every 15 minutes until three consecutive samples indicate that water quality thresholds have been met. If work is stopped due to a water quality exceedance, the contractor will assess the cause of turbidity and determine if adjustments are needed to in-water work BMPs.

NOTIFICATION REQUIREMENTS:

Notification shall be made via phone or e-mail (e-mail is preferred) to the individuals identified in the EPA’s 401 certification. Notifications shall be identified with Order # NWS 2021-474 and include the Applicants name, Project name, Project location, Project contact and the contact’s phone number.

Notification will be made, as described above, immediately following a violation of state water quality standards, spill to waters of the state or when the Project is out of compliance with any of the Orders conditions.

In addition to the phone or e-mail notification, the Applicant shall submit a detailed written report to Ecology within five (5) days that describes the nature of the event, corrective action taken and/or planned, steps to be taken to prevent a recurrence, results of any samples taken, and any other pertinent information.

Work will be allowed to continue after corrective action has been planned or implemented, and steps to prevent a recurrence have been identified.

EROSION AND SEDIMENT CONTROL:

Contract plans specify that the Contractor shall designate an Erosion and Sediment Control (ESC) Lead possessing current Certificate of Training in Construction Site Erosion and Sediment Control. As per the Contract Provisions, the Standard Specifications, and all related permits and approvals, the ESC Lead shall implement the TESC and Spill Prevention Control and Countermeasures (SPCC) plans.

EMERGENCY / CONTINGINCY MEASURES:

1. The Contractor shall develop and implement a spill prevention and containment plan for the Project and shall have spill cleanup material available on site at all times during construction activity.

2. Any work that produces conditions causing distressed or dying fish, or causing any discharge of oil, fuel, or chemicals into state waters or onto land with potential for entry into state waters is prohibited. If such work, conditions, or discharges occur, the Applicant shall immediately take the following actions:

a) Cease operations at the location of the violation;

b) Assess the cause of the water quality problem and take appropriate measures to correct the problem and/or prevent further environmental damage;

c) In the event of discharge of oil, fuel, or chemicals into state waters, or onto land with potential for entry into states waters, begin containment and cleanup efforts immediately and complete them as soon as possible. This work shall take precedence over normal work. Cleanup shall include proper disposal of any spilled material and used cleanup materials.

d) Immediately notify Ecology’s Central Region Spill Response Office at 509-575-2490, and within 24 hours of spills.

e) Immediately notify the National Response Center at 1-800-424-8802.

3. Notify Ecology’s Regional Spill Response Office immediately if chemical containers (e.g. drums) are discovered on-site or any conditions present indicating disposal or burial of chemicals on-site that may impact surface water or ground water.

4. The floating turbidity curtain will be checked daily during the work week to ensure that the it is functioning as intended. If visual observations show signs of failure, physical sampling will commence and an inspection of the system will be completed to find the source of the failure. All work will cease within the isolated area until the failure has been identified and repaired by the Contractor. Water quality monitoring will continue during the repair until the system is functioning as planned.

CONTACT NUMBERS:

Jennifer Corwin with FHWA’s WFLHD will be responsible for providing EPA and Ecology with the necessary notifications and results of the water quality monitoring according to the frequency specified in the Section 401 Water Quality Certification (401).

Monitoring personnel who will conduct the 401 water quality monitoring will be determined by the Contractor.

EPA Contact – Jeff Brittain – 206-553-0532, brittain.jeffrey@epa.gov. EPA shall be notified via phone or email (preferred) in the event of hazardous materials spills, water quality test results that are not in compliance with the water quality standards beyond the 300 foot mixing zone.

SUPPLEMENTAL WQMPP PLAN DATA:

The Contractor is responsible for submitting a temporary stream isolation/diversion plan for the Project. This plan shall be submitted two weeks prior to beginning stream bypass work for Engineers approval. The stream diversion plan will be attached to the WQMPP after review and approval.

The stream diversion berm system shall be maintained to avoid significant leaks that may result in flows through the work zone. The system will be constructed solely from streambed materials and will be left in place to be reshaped by the river over time.

ATTACHMENT A

SAMPLE MONITORING RESULTS REPORTING FORM

Sampling Form for In-Water Work

Date: __________________ Project:_____________________________________________ Name of Person Sampling: _______________________________ Date of last calibration for Turbidity Meter: ________ Waterbody: _____________________________________ Activity Description:______________________________________________________________ Activity Start Time: ________ Activity Stop Time: _________

Sample Location

Monitoring Point

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Microsoft_Word_97_-_2003_Document.doc Western Federal Lands Highway Division

610 E. Fifth Street

Vancouver, WA 98661

Phone 360-619-7700

Fax 360-619-7846