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Sewage treatment plant, major discharger, Moorefield, West Virginia. NPDES permit WV0106038 expired May 19, 2026; its limits still apply. Last 12 months: over a limit 12 times (last February 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | 001 | Nitrogen, ammonia total [as N], daily maximum | 147.07 lb/d | ≤ 137 lb/d | 7% |
| December 2025 | 001 | Nitrogen, ammonia total [as N], daily maximum | 4.7 mg/L | ≤ 4 mg/L | 18% |
| December 2025 | 001 | Nitrogen, nitrite total [as N], monthly average | 1.24 mg/L | ≤ 1 mg/L | 24% |
| January 2026 | 001 | Nitrogen, nitrite total [as N], monthly average | 1.78 mg/L | ≤ 1 mg/L | 78% |
| January 2026 | IU01 | Copper, total recoverable, daily maximum | .45 mg/L | ≤ .068 mg/L | 562% |
| February 2026 | 001 | Nitrogen, ammonia total [as N], daily maximum | 269.26 lb/d | ≤ 137 lb/d | 97% |
| February 2026 | 001 | Nitrogen, ammonia total [as N], daily maximum | 9.6 mg/L | ≤ 4 mg/L | 140% |
| February 2026 | 001 | Nitrogen, ammonia total [as N], monthly average | 2.58 mg/L | ≤ 2 mg/L | 29% |
| February 2026 | 001 | Nitrogen, ammonia total [as N], monthly average | 72.69 lb/d | ≤ 68 lb/d | 7% |
| February 2026 | 001 | Nitrogen, nitrite total [as N], daily maximum | 3.1 mg/L | ≤ 3 mg/L | 3% |
| February 2026 | 001 | Nitrogen, nitrite total [as N], monthly average | 2.03 mg/L | ≤ 1 mg/L | 103% |
| February 2026 | IU01 | Zinc, total recoverable, daily maximum | .23 mg/L | ≤ .2 mg/L | 15% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 6 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 10 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 20 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 342 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 684 lb/d | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 1026 lb/d | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 2052 lb/d | all year | 001 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | 001 |
| Oil and grease, hexane extr method | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly total | report only (lb/mo) | all year | 001 |
| Nitrogen, total [as N] | annual total | ≤ 51431 lb/yr | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 68 lb/d | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 137 lb/d | all year | 001 |
| Nitrogen, nitrite total [as N] | monthly average | ≤ 1 mg/L | all year | 001 |
| Nitrogen, nitrite total [as N] | daily maximum | ≤ 3 mg/L | all year | 001 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly total | report only (lb/mo) | all year | 001 |
| Phosphorus, total [as P] | annual total | ≤ 5221 lb/yr | all year | 001 |
| Cyanide, free [amenable to chlorination] | monthly average | ≤ .004 mg/L | all year | 001 |
| Cyanide, free [amenable to chlorination] | daily maximum | ≤ .008 mg/L | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Iron, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Nickel, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Silver total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Silver total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Aluminum, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Cadmium, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Lead, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | 001 |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | monthly average | report only (mg/L) | all year | 001 |
| Chromium, hexavalent dissolved [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Chloroform | monthly average | ≤ .006 mg/L | all year | 001 |
| Chloroform | daily maximum | ≤ .011 mg/L | all year | 001 |
| Bromodichloromethane, effluent | monthly average | report only (ug/L) | all year | 001 |
| Bromodichloromethane, effluent | daily maximum | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly total | report only (Mgal/mo) | all year | 001 |
| Chlorine, total residual | monthly average | ≤ 28 ug/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 57 ug/L | all year | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | report only (tox chronic) | all year | 001 |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | report only (tox chronic) | all year | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox chronic) | all year | 001 |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox chronic) | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (ug/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year | 001 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 001 |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year | 001 |
| Flow rate | monthly average | report only (MGD) | all year | IU01 |
| Flow rate | daily maximum | ≤ 3.35 MGD | all year | IU01 |
| Flow rate, instantaneous | monthly average | report only (gal/min) | all year | IU01 |
| Flow rate, instantaneous | daily maximum | ≤ 3000 gal/min | all year | IU01 |
| BOD, 5-day, 20 deg. C | monthly average | report only (lb/d) | all year | IU01 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 16000 lb/d | all year | IU01 |
| pH | instantaneous minimum | ≥ 5 SU | all year | IU01 |
| pH | instantaneous maximum | ≤ 10 SU | all year | IU01 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | IU01 |
| Solids, total suspended | daily maximum | ≤ 3000 lb/d | all year | IU01 |
| Oil and grease, hexane extr method | monthly average | report only (mg/L) | all year | IU01 |
| Oil and grease, hexane extr method | daily maximum | ≤ 30 mg/L | all year | IU01 |
| Nitrogen, total [as N] | monthly average | ≤ 2825 lb/d | all year | IU01 |
| Nitrogen, total [as N] | daily maximum | report only (lb/d) | all year | IU01 |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year | IU01 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 1000 lb/d | all year | IU01 |
| Nitrogen, nitrite total [as N] | monthly average | report only (lb/d) | all year | IU01 |
| Nitrogen, nitrite total [as N] | daily maximum | ≤ 25.5 lb/d | all year | IU01 |
| Nitrogen, nitrate total [as N] | monthly average | report only (lb/d) | all year | IU01 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 100 lb/d | all year | IU01 |
| Phosphorus, total [as P] | monthly average | ≤ 409 lb/d | all year | IU01 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | IU01 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | IU01 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | IU01 |
| Arsenic, total recoverable | monthly average | report only (mg/L) | all year | IU01 |
| Arsenic, total recoverable | daily maximum | ≤ .005 mg/L | all year | IU01 |
| Iron, total recoverable | monthly average | report only (mg/L) | all year | IU01 |
| Iron, total recoverable | daily maximum | ≤ 1.8 mg/L | all year | IU01 |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year | IU01 |
| Zinc, total recoverable | daily maximum | ≤ .2 mg/L | all year | IU01 |
| Aluminum, total recoverable | monthly average | report only (mg/L) | all year | IU01 |
| Aluminum, total recoverable | daily maximum | ≤ .61 mg/L | all year | IU01 |
| Lead, total recoverable | monthly average | report only (mg/L) | all year | IU01 |
| Lead, total recoverable | daily maximum | ≤ .017 mg/L | all year | IU01 |
| Copper, total recoverable | monthly average | report only (mg/L) | all year | IU01 |
| Copper, total recoverable | daily maximum | ≤ .068 mg/L | all year | IU01 |
| Flow rate | monthly average | report only (gal/d) | all year | IU03 |
| Flow rate | daily maximum | ≤ 20000 gal/d | all year | IU03 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | IU03 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 500 mg/L | all year | IU03 |
| pH | instantaneous minimum | ≥ 6 SU | all year | IU03 |
| pH | instantaneous maximum | ≤ 10 SU | all year | IU03 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | IU03 |
| Solids, total suspended | daily maximum | ≤ 500 mg/L | all year | IU03 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | IU03 |
| Nitrogen, Kjeldahl, total [as N] | daily maximum | ≤ 300 mg/L | all year | IU03 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | IU03 |
| Copper, total [as Cu] | daily maximum | ≤ .07 mg/L | all year | IU03 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | IU03 |
| Iron, total [as Fe] | daily maximum | ≤ 20 mg/L | all year | IU03 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | IU03 |
| Lead, total [as Pb] | daily maximum | ≤ .02 mg/L | all year | IU03 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | IU03 |
| Zinc, total [as Zn] | daily maximum | ≤ .3 mg/L | all year | IU03 |
| Flow rate | monthly average | report only (gal/d) | all year | IU05 |
| Flow rate | daily maximum | ≤ 2000 gal/d | all year | IU05 |
| pH | instantaneous minimum | ≥ 5 SU | all year | IU05 |
| pH | instantaneous maximum | ≤ 10 SU | all year | IU05 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | IU05 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | IU05 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | IU05 |
| Chloride [as Cl] | daily maximum | report only (mg/L) | all year | IU05 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | IU05 |
| Iron, total [as Fe] | daily maximum | report only (mg/L) | all year | IU05 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | IU05 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | IU05 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | IU05 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | IU05 |
Cited limits by parameter: West Virginia's rules and the federal ones.
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