Clean Water Act discharge permit · NPDES WV0024864
MATOAKA WWTP, Matoaka, WV: NPDES WV0024864 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
MATOAKA WWTP, held by MERCER COUNTY PSD, holds NPDES permit WV0024864, which discharges to Widemouth Creek/Bluestone River/New River. EPA’s file records it issued August 10, 1995 and expiring May 15, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MATOAKA WWTP |
|---|---|
| Permittee as filed | MERCER COUNTY PSD |
| NPDES ID | WV0024864 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 10, 1995 |
| Expiration date | May 15, 2024 |
| Address | Matoaka, WV 24736 |
| Receiving water | WIDEMOUTH CREEK/Bluestone River/New River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Widemouth Creek-Bluestone River (HUC 050500020904) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 40Pollutants on file
- 13Under a numeric limit
- 40With a violation of any kind
- 13With 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 |
|---|---|---|---|---|---|
| Copper, total recoverable | 2 | 213 | 63 | May 31, 2026 | 174,900% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 349 | 49 | February 28, 2025 | 840% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 347 | 43 | February 28, 2025 | 1,125% over the limit |
| Coliform, fecal general | 2 | 183 | 33 | February 28, 2026 | 25,900% over the limit |
| Solids, suspended percent removal | 1 | 107 | 33 | February 28, 2025 | 620% over the limit |
| BOD, 5-day, percent removal | 1 | 108 | 30 | May 31, 2025 | 733% over the limit |
| Oxygen, dissolved [DO] | 1 | 104 | 27 | July 31, 2024 | 83% over the limit |
| pH | 2 | 194 | 16 | March 31, 2026 | |
| Chlorine, total residual | 2 | 165 | 15 | July 31, 2020 | 2,147,483,650% over the limit |
| Zinc, total recoverable | 2 | 84 | 8 | October 31, 2025 | 450% over the limit |
| Solids, total suspended | 4 | 339 | 7 | October 31, 2018 | 256% over the limit |
| Lead, total recoverable | 2 | 110 | 4 | December 31, 2017 | 275% over the limit |
| Flow rate | 0 | 16 | 2 | December 31, 2017 | 70% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 187 | 0 | ||
| Nitrogen, total [as N] | 0 | 38 | 0 | ||
| Phosphorus, total [as P] | 0 | 34 | 0 | ||
| Copper, total [as Cu] | 0 | 28 | 0 | ||
| Iron, total [as Fe] | 0 | 28 | 0 | ||
| Lead, total [as Pb] | 0 | 28 | 0 | ||
| Zinc, total [as Zn] | 0 | 28 | 0 | ||
| Aluminum, total [as Al] | 0 | 28 | 0 | ||
| Solids, total, sludge, percent | 0 | 9 | 0 | ||
| Calcium, total [as Ca] | 0 | 3 | 0 | ||
| Magnesium, total [as Mg] | 0 | 3 | 0 | ||
| Fecal coliform | 0 | 3 | 0 | ||
| Selenium, sludge, total, dry weight [as Se] | 0 | 3 | 0 | ||
| Organic nitrogen sludge, tot dry wt. | 0 | 3 | 0 | ||
| Arsenic, sludge tot. dry wt [as As] | 0 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 3 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 0 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 3 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 0 | 3 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 3 | 0 | ||
| Copper, sludge, total, dry weight [as Cu] | 0 | 3 | 0 | ||
| Cadmium, sludge, total, dry weight [as Cd] | 0 | 3 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 0 | 3 | 0 | ||
| Nitrogen, ammonia, sludge, tot dry wgt | 0 | 3 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 12, 2019 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| December 21, 2018 | Management Practice Violations - Improper Operation and Maintenance | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, WV0024864.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 WV0024864 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.