PURPOSE OF NOTICE: The Department of Environmental Quality (DEQ) seeks public comment on the development of a cleanup study, also known as a Total Maximum Daily Load report (TMDL), for the Mountain Run Watershed in Culpeper County. These streams are listed as impaired since monitoring data does not meet Virginia’s water quality standards for polychlorinated biphenyls (PCBs). Section 303(d) of the Clean Water Act and §62.1-44.19:7.C of the State Water Control Law requires DEQ to develop cleanup studies to address pollutants responsible for causing waters to be on Virginia’s 303(d) list of impaired waters. A component of a cleanup study is the Waste Load Allocation (WLA); therefore, this notice is provided pursuant to §2.2-4006.A.14 of the Administrative Process Act for adoption of the WLA into the Water Quality Management Planning Regulation, 9VAC25-720 after completion of the study. The adoption of the WLA may require new or additional requirements for entities holding a Virginia Pollutant Discharge Elimination System (VPDES) permit in the Mountain Run Watershed. A study has been completed for the Mountain Run Watershed to identify pollutant sources and recommend reductions needed from the sources to meet water quality standards. At the meeting, DEQ will present the results of the study and provide an overview of the draft report. Citizens are invited to provide comment on the study. CLEANUP STUDY LOCATION: The cleanup study addresses the following impaired stream segments: Mountain Run, located in Culpeper County is 24.53 miles long and begins at the outlet of Lake Pelham and continues downstream to the confluence with the Rappahannock River. Unnamed Tributary to Mountain Run (stream code 3-XBE), located in Culpeper County is 0.6 mile long and begins at the perennial headwaters and continues downstream to the confluence with Mountain Run. Unnamed Tributary to Mountain Run (stream code 3-XIH), located in Culpeper County is 1.12 mile long and begins at the perennial headwaters and continues downstream to the confluence with Mountain Run. ADVISORY COMMITTEE: TMDL Technical Advisory Committee meetings to assist in development of this cleanup study were convened on January 12, 2021, and July 26, 2022. PUBLIC MEETING: The final public meeting on the development of the cleanup study will be held at Culpeper County Board of Supervisors conference room, 302 N. Main Street, Culpeper, Virginia, on September 6, 2023, at 5:30 p.m. In the event of inclement weather, the meeting will be held on September 14, 2023, at the same time and location stated above. PUBLIC COMMENT PERIOD: September 6, 2023, to October 6, 2023. HOW TO COMMENT: DEQ accepts written comments by e-mail, fax or postal mail. All comments must be received by DEQ during the comment period. Submittals must include the name, organization they represent (if any), mailing addresses and telephone numbers of the commenter/requester. CONTACT FOR PUBLIC COMMENTS, DOCUMENT REQUESTS AND ADDITIONAL INFORMATION: Rebecca Shoemaker; DEQ Northern Regional Office, 13901 Crown Court, Woodbridge, Virginia 22193; Phone: (571) 866-6502; E-mail: rebecca.shoemaker@deq.virginia.gov. The public may review the cleanup study at the following website address: https://www.deq.virginia.gov/our-programs/water/water-quality/tmdl-development/tmdls-under-development.  

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