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Sewage treatment plant, major discharger, Bluefield, West Virginia. NPDES permit WV0023141, in force until Jun 20, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | instantaneous minimum | ≥ 6 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 60 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 300 lb/d | all year |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 600 lb/d | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 300 lb/d | all year |
| Solids, total suspended | daily maximum | ≤ 600 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.73 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.47 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 17.3 lb/d | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 34.7 lb/d | all year |
| Cyanide, weak acid, dissociable | monthly average | report only (mg/L) | all year |
| Cyanide, weak acid, dissociable | daily maximum | report only (mg/L) | all year |
| Arsenic, total [as As] | monthly average | report only (mg/L) | all year |
| Arsenic, total [as As] | daily maximum | report only (mg/L) | all year |
| Chromium, hexavalent [as Cr] | monthly average | report only (mg/L) | all year |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year |
| Nickel, total recoverable | monthly average | report only (mg/L) | all year |
| Nickel, total recoverable | daily maximum | report only (mg/L) | all year |
| Silver total recoverable | monthly average | report only (mg/L) | all year |
| Silver total recoverable | daily maximum | report only (mg/L) | all year |
| Zinc, total recoverable | monthly average | report only (mg/L) | all year |
| Zinc, total recoverable | daily maximum | report only (mg/L) | all year |
| Cadmium, total recoverable | monthly average | report only (mg/L) | all year |
| Cadmium, total recoverable | daily maximum | report only (mg/L) | all year |
| Lead, total recoverable | monthly average | report only (mg/L) | all year |
| Lead, total recoverable | daily maximum | report only (mg/L) | all year |
| Copper, total recoverable | monthly average | report only (mg/L) | all year |
| Copper, total recoverable | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | minimum | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | ≤ .82 tox chronic | all year |
| Toxicity [chronic], Ceriodaphnia dubia | monthly average | ≤ .82 tox chronic | all year |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 1.6 tox chronic | all year |
| Toxicity [chronic], Ceriodaphnia dubia | daily maximum | ≤ 1.6 tox chronic | all year |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox chronic) | all year |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | daily maximum | report only (tox chronic) | all year |
| Mercury, total [as Hg] | monthly average | report only (ug/L) | all year |
| Mercury, total [as Hg] | daily maximum | report only (ug/L) | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year |
| BOD, 5-day, percent removal | monthly average minimum | ≥ 85 % | all year |
| Solids, suspended percent removal | monthly average minimum | ≥ 85 % | all year |
Cited limits by parameter: West Virginia's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/WV0023141 · MCP: https://passage-data.com/mcp