Parkins Mills Wastewater Treat
Winchester, VA · Frederick County · Publicly Owned Treatment Works
- Average flow
- 1.96 MGD
- Design flow
- —
- NPDES permit
- VAL075191
- Effective
- Permit expires
- December 2030
- Population served
- 19,383
- CWNS 2022
Parkins Mills Wastewater Treat is a publicly owned wastewater treatment works in Winchester, Frederick County, Virginia treating an average of 1.96 million gallons per day, serving about 19,383 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit VAL075191 (effective), which expires in December 2030, with 43 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 43
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Winchester
Winchester's capital improvement plan lists 7 water, sewer and wastewater line items worth $42M starting 2025–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Winchester →
| Project | Budget | Years |
|---|---|---|
| Water Transmission Line | $17,000,000 | 2025–2026 |
| Jefferson Street Water Pump Station | $10,000,000 | 2026–2026 |
| Sewer Pump Station Replacement | $5,500,000 | 2025–2025 |
| Water Intake Improvements | $3,000,000 | 2026–2026 |
| Raw Water Pump Station Upgrade | $3,000,000 | 2025–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
Decision-makers at Parkins Mills Wastewater Treat.
No verified contacts on file yet
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Nearby wastewater treatment plants in Virginia
Boyce · 5 mi away
0.05 MGD
Middletown · 9 mi away
0.19 MGD
Berryville · 11 mi away
0.32 MGD
Winchester · 12 mi away
0.003 MGD
Front Royal · 12 mi away
3.64 MGD
Strasburg · 14 mi away
0.65 MGD
Toms Brook · 19 mi away
0.12 MGD
Bentonville · 20 mi away
0.0017 MGD
Parkins Mills Wastewater Treat: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated May 29, 2025.