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Clay And Related Minerals, Martinsburg, West Virginia. NPDES permit WV1023225, in force until Jun 30, 2029. Last 12 months: no values over a limit, 18 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow rate | monthly average | report only (gal/min) | all year | 012 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 012 |
| pH | monthly minimum | ≥ 6 SU | all year | 012 |
| pH | monthly maximum | ≤ 9 SU | all year | 012 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 012 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 012 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 012 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 012 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 012 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 012 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 012 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 012 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | 012 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 012 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 012 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 012 |
| Flow rate | monthly average | report only (gal/min) | all year | 013 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 013 |
| pH | monthly minimum | ≥ 6 SU | all year | 013 |
| pH | monthly maximum | ≤ 9 SU | all year | 013 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 013 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 013 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 013 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 013 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 013 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 013 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 013 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 013 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | 013 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 013 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 013 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 013 |
| Flow rate | monthly average | report only (gal/min) | all year | 014 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 014 |
| pH | monthly minimum | ≥ 6 SU | all year | 014 |
| pH | monthly maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 014 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 014 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 014 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 014 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 014 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 014 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 014 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 014 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | 014 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 014 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 014 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 014 |
| Flow rate | monthly average | report only (gal/min) | all year | 017 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 017 |
| pH | monthly minimum | ≥ 6 SU | all year | 017 |
| pH | monthly maximum | ≤ 9 SU | all year | 017 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 017 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 017 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 017 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 017 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 017 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 017 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 017 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 017 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | 017 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 017 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 017 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 017 |
| Flow rate | monthly average | report only (gal/min) | all year | 018 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 018 |
| pH | monthly minimum | ≥ 6 SU | all year | 018 |
| pH | monthly maximum | ≤ 9 SU | all year | 018 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 018 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 018 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 018 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 018 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 018 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 018 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 018 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 018 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | 018 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 018 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 018 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 018 |
| Flow rate | monthly average | report only (gal/min) | all year | 019 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 019 |
| pH | monthly minimum | ≥ 6 SU | all year | 019 |
| pH | monthly maximum | ≤ 9 SU | all year | 019 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 019 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 019 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 019 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 019 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 019 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 019 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 019 |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | 019 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 019 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 019 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 019 |
| Flow rate | monthly average | report only (gal/min) | all year | 020 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 020 |
| pH | monthly minimum | ≥ 6 SU | all year | 020 |
| pH | monthly maximum | ≤ 9 SU | all year | 020 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 020 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 020 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 020 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 020 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 020 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 020 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 020 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 020 |
| Manganese, total [as Mn] | monthly maximum | ≤ 4 mg/L | all year | 020 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 020 |
| Aluminum, total [as Al] | monthly average | ≤ .47 mg/L | all year | 020 |
| Aluminum, total [as Al] | monthly maximum | ≤ .81 mg/L | all year | 020 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 020 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 020 |
| Flow rate | monthly average | report only (gal/min) | all year | 021 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 021 |
| pH | monthly minimum | ≥ 6 SU | all year | 021 |
| pH | monthly maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 021 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 021 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 021 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 021 |
| Iron, total [as Fe] | monthly average | ≤ .95 mg/L | all year | 021 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.64 mg/L | all year | 021 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 021 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 021 |
| Manganese, total [as Mn] | monthly maximum | ≤ 4 mg/L | all year | 021 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 021 |
| Aluminum, total [as Al] | monthly average | ≤ 1.91 mg/L | all year | 021 |
| Aluminum, total [as Al] | monthly maximum | ≤ 3.32 mg/L | all year | 021 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 021 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 021 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 021 |
| Flow rate | monthly average | report only (gal/min) | all year | 022 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 022 |
| pH | monthly minimum | ≥ 6 SU | all year | 022 |
| pH | monthly maximum | ≤ 9 SU | all year | 022 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 022 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 022 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 022 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 022 |
| Iron, total [as Fe] | monthly average | ≤ .59 mg/L | all year | 022 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.03 mg/L | all year | 022 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 022 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 022 |
| Manganese, total [as Mn] | monthly maximum | ≤ 4 mg/L | all year | 022 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 022 |
| Aluminum, total [as Al] | monthly average | ≤ .19 mg/L | all year | 022 |
| Aluminum, total [as Al] | monthly maximum | ≤ .33 mg/L | all year | 022 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 022 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 022 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 022 |
| Flow rate | monthly average | report only (gal/min) | all year | 023 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 023 |
| pH | monthly minimum | ≥ 6 SU | all year | 023 |
| pH | monthly maximum | ≤ 9 SU | all year | 023 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 023 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 023 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 023 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 023 |
| Iron, total [as Fe] | monthly average | ≤ .59 mg/L | all year | 023 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.03 mg/L | all year | 023 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 023 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 023 |
| Manganese, total [as Mn] | monthly maximum | ≤ 4 mg/L | all year | 023 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 023 |
| Aluminum, total [as Al] | monthly average | ≤ .19 mg/L | all year | 023 |
| Aluminum, total [as Al] | monthly maximum | ≤ .33 mg/L | all year | 023 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 023 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 023 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 023 |
| Flow rate | monthly average | report only (gal/min) | all year | 024 |
| Flow rate | monthly maximum | report only (gal/min) | all year | 024 |
| pH | monthly minimum | ≥ 6 SU | all year | 024 |
| pH | monthly maximum | ≤ 9 SU | all year | 024 |
| Solids, total suspended | monthly minimum | report only (mg/L) | all year | 024 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 024 |
| Solids, total suspended | monthly maximum | ≤ 70 mg/L | all year | 024 |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | 024 |
| Iron, total [as Fe] | monthly average | ≤ .59 mg/L | all year | 024 |
| Iron, total [as Fe] | monthly maximum | ≤ 1.03 mg/L | all year | 024 |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | 024 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 024 |
| Manganese, total [as Mn] | monthly maximum | ≤ 4 mg/L | all year | 024 |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | 024 |
| Aluminum, total [as Al] | monthly average | ≤ .19 mg/L | all year | 024 |
| Aluminum, total [as Al] | monthly maximum | ≤ .33 mg/L | all year | 024 |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | 024 |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | 024 |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | 024 |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | DSER |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | DSER |
| pH | monthly minimum | report only (SU) | all year | DSER |
| pH | monthly average | report only (SU) | all year | DSER |
| pH | monthly maximum | report only (SU) | all year | DSER |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | DSER |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | DSER |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | DSER |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | DSER |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | DSER |
| Manganese, total [as Mn] | monthly maximum | report only (mg/L) | all year | DSER |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | DSER |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | DSER |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | DSER |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | DSER |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | DSER |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | DSER |
| Stream flow, instantaneous | monthly average | report only (cfs) | all year | USER |
| Stream flow, instantaneous | monthly maximum | report only (cfs) | all year | USER |
| pH | monthly minimum | report only (SU) | all year | USER |
| pH | monthly average | report only (SU) | all year | USER |
| pH | monthly maximum | report only (SU) | all year | USER |
| Iron, total [as Fe] | monthly minimum | report only (mg/L) | all year | USER |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | USER |
| Iron, total [as Fe] | monthly maximum | report only (mg/L) | all year | USER |
| Manganese, total [as Mn] | monthly minimum | report only (mg/L) | all year | USER |
| Manganese, total [as Mn] | monthly average | report only (mg/L) | all year | USER |
| Manganese, total [as Mn] | monthly maximum | report only (mg/L) | all year | USER |
| Aluminum, total [as Al] | monthly minimum | report only (mg/L) | all year | USER |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | USER |
| Aluminum, total [as Al] | monthly maximum | report only (mg/L) | all year | USER |
| Aluminum, dissolved [as Al] | monthly minimum | report only (mg/L) | all year | USER |
| Aluminum, dissolved [as Al] | monthly average | report only (mg/L) | all year | USER |
| Aluminum, dissolved [as Al] | monthly maximum | report only (mg/L) | all year | USER |
Cited limits by parameter: West Virginia's rules and the federal ones.
Same industry: the 64 Mining and Quarrying of Nonmetallic Minerals permits in West Virginia.
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On EPA ECHO: Facility report · DMR history
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