Clean Water Act discharge permit · NPDES VA0021172
WARRENTON TOWN SEWAGE TREATMENT PLANT, Warrenton, VA: NPDES VA0021172 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WARRENTON TOWN SEWAGE TREATMENT PLANT, held by Warrenton Town Sewage Treatment Plant, holds NPDES permit VA0021172, which discharges to Rappahannock River/Carter Run/Great Run. EPA’s file records it issued July 11, 2016 and expiring July 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WARRENTON TOWN SEWAGE TREATMENT PLANT |
|---|---|
| Permittee as filed | Warrenton Town Sewage Treatment Plant |
| NPDES ID | VA0021172 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 11, 2016 |
| Expiration date | July 31, 2021 |
| Issuing agency | STATE |
| Address | Warrenton, VA 20186 |
| Receiving water | Rappahannock River/Carter Run/Great Run |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 15Under a numeric limit
- 8With a violation of any kind
- 7With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 55 | 37 | October 31, 1999 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 22 | 22 | February 28, 2026 | 243% over the limit |
| Nitrogen, Total As N | 1 | 3 | 3 | December 31, 2025 | 128% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 2 | 2 | January 31, 2014 | 18% over the limit |
| Solids, total suspended | 4 | 1 | 1 | June 30, 2023 | 40% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 2 | 1 | 1 | January 31, 1997 | 13% over the limit |
| E. coli | 1 | 1 | 1 | July 31, 2015 | 59% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 20 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 | ||
| Nitrogen, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Phosphorus, Total As P | 1 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| TU Static Renewal 7-Day Chronic Pimphales promelas | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 29, 2024 | WW SSO - Discharge to Waters | ST6 |
| June 1, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| May 3, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID VA0021172 there.
Nearby on the register
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- Every permit record in Warrenton, A to Z
- Discharge permits in Virginia
- Every permit record in Virginia, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.