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Bituminous Coal And Lignite - Surface, Gillette, Wyoming. NPDES permit WY0032964, in force until Apr 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 001 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 001 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 001 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 001 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 001 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 001 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 001 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 001 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 001 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 001 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 001 |
| Duration | monthly total | report only (d/mo) | all year | 001 |
| Duration | monthly total | report only (d/mo) | all year | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Flow | monthly average | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| Flow | daily maximum | report only (MGD) | all year | 001 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 002 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 002 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 002 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 002 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 002 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 002 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 002 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 002 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 002 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 002 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 002 |
| Duration | monthly total | report only (d/mo) | all year | 002 |
| Duration | monthly total | report only (d/mo) | all year | 002 |
| Flow | monthly average | report only (MGD) | all year | 002 |
| Flow | monthly average | report only (MGD) | all year | 002 |
| Flow | daily maximum | report only (MGD) | all year | 002 |
| Flow | daily maximum | report only (MGD) | all year | 002 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 005 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 005 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 005 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 005 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 005 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 005 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 005 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 005 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 005 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 005 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 005 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 005 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 005 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 005 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 005 |
| Duration | monthly total | report only (d/mo) | all year | 005 |
| Duration | monthly total | report only (d/mo) | all year | 005 |
| Flow | monthly average | report only (MGD) | all year | 005 |
| Flow | monthly average | report only (MGD) | all year | 005 |
| Flow | daily maximum | report only (MGD) | all year | 005 |
| Flow | daily maximum | report only (MGD) | all year | 005 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 010 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 010 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 010 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 010 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 010 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 010 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 010 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 010 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 010 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 010 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 010 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 010 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 010 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 010 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 010 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 010 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 010 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 010 |
| Duration | monthly total | report only (d/mo) | all year | 010 |
| Duration | monthly total | report only (d/mo) | all year | 010 |
| Flow | monthly average | report only (MGD) | all year | 010 |
| Flow | monthly average | report only (MGD) | all year | 010 |
| Flow | daily maximum | report only (MGD) | all year | 010 |
| Flow | daily maximum | report only (MGD) | all year | 010 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 013 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 013 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 013 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 013 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 013 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 013 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 013 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 013 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 013 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 013 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 013 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 013 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 013 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 013 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 013 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 013 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 013 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 013 |
| Duration | monthly total | report only (d/mo) | all year | 013 |
| Duration | monthly total | report only (d/mo) | all year | 013 |
| Flow | monthly average | report only (MGD) | all year | 013 |
| Flow | monthly average | report only (MGD) | all year | 013 |
| Flow | daily maximum | report only (MGD) | all year | 013 |
| Flow | daily maximum | report only (MGD) | all year | 013 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 014 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 014 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 014 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 014 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 014 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 014 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 014 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 014 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 014 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 014 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 014 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 014 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 014 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 014 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 014 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 014 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 014 |
| Duration | monthly total | report only (d/mo) | all year | 014 |
| Duration | monthly total | report only (d/mo) | all year | 014 |
| Flow | monthly average | report only (MGD) | all year | 014 |
| Flow | monthly average | report only (MGD) | all year | 014 |
| Flow | daily maximum | report only (MGD) | all year | 014 |
| Flow | daily maximum | report only (MGD) | all year | 014 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 018 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 018 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 018 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 018 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 018 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 018 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 018 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 018 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 018 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 018 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 018 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 018 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 018 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 018 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 018 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 018 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 018 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 018 |
| Duration | monthly total | report only (d/mo) | all year | 018 |
| Duration | monthly total | report only (d/mo) | all year | 018 |
| Flow | monthly average | report only (MGD) | all year | 018 |
| Flow | monthly average | report only (MGD) | all year | 018 |
| Flow | daily maximum | report only (MGD) | all year | 018 |
| Flow | daily maximum | report only (MGD) | all year | 018 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 019 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 019 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 019 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 019 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 019 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 019 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 019 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 019 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 019 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 019 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 019 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 019 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 019 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 019 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 019 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 019 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 019 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 019 |
| Duration | monthly total | report only (d/mo) | all year | 019 |
| Duration | monthly total | report only (d/mo) | all year | 019 |
| Flow | monthly average | report only (MGD) | all year | 019 |
| Flow | monthly average | report only (MGD) | all year | 019 |
| Flow | daily maximum | report only (MGD) | all year | 019 |
| Flow | daily maximum | report only (MGD) | all year | 019 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 020 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 020 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 020 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 020 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 020 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 020 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 020 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 020 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 020 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 020 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 020 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 020 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 020 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 020 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 020 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 020 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 020 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 020 |
| Duration | monthly total | report only (d/mo) | all year | 020 |
| Duration | monthly total | report only (d/mo) | all year | 020 |
| Flow | monthly average | report only (MGD) | all year | 020 |
| Flow | monthly average | report only (MGD) | all year | 020 |
| Flow | daily maximum | report only (MGD) | all year | 020 |
| Flow | daily maximum | report only (MGD) | all year | 020 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 021 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 021 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 021 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 021 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 021 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 021 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 021 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 021 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 021 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 021 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 021 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 021 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 021 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 021 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 021 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 021 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 021 |
| Duration | monthly total | report only (d/mo) | all year | 021 |
| Duration | monthly total | report only (d/mo) | all year | 021 |
| Flow | monthly average | report only (MGD) | all year | 021 |
| Flow | monthly average | report only (MGD) | all year | 021 |
| Flow | daily maximum | report only (MGD) | all year | 021 |
| Flow | daily maximum | report only (MGD) | all year | 021 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 022 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 022 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 022 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 022 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 022 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 022 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 022 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 022 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 022 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 022 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 022 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 022 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 022 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 022 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 022 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 022 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 022 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 022 |
| Duration | monthly total | report only (d/mo) | all year | 022 |
| Duration | monthly total | report only (d/mo) | all year | 022 |
| Flow | monthly average | report only (MGD) | all year | 022 |
| Flow | monthly average | report only (MGD) | all year | 022 |
| Flow | daily maximum | report only (MGD) | all year | 022 |
| Flow | daily maximum | report only (MGD) | all year | 022 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 023 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 023 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 023 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 023 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 023 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 023 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 023 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 023 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 023 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 023 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 023 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 023 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 023 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 023 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 023 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 023 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 023 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 023 |
| Duration | monthly total | report only (d/mo) | all year | 023 |
| Duration | monthly total | report only (d/mo) | all year | 023 |
| Flow | monthly average | report only (MGD) | all year | 023 |
| Flow | monthly average | report only (MGD) | all year | 023 |
| Flow | daily maximum | report only (MGD) | all year | 023 |
| Flow | daily maximum | report only (MGD) | all year | 023 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 024 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 024 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 024 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 024 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 024 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 024 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 024 |
| Solids, total suspended | instantaneous maximum | ≤ 70 mg/L | all year | 024 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 024 |
| Solids, settleable | instantaneous maximum | ≤ .5 mL/L | all year | 024 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 024 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 024 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 024 |
| Iron, total [as Fe] | instantaneous maximum | ≤ 6 mg/L | all year | 024 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 024 |
| Iron, dissolved [as Fe] | instantaneous maximum | ≤ 1000 ug/L | all year | 024 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 024 |
| Manganese, dissolved [as Mn] | instantaneous maximum | ≤ 1462 ug/L | all year | 024 |
| Duration | monthly total | report only (d/mo) | all year | 024 |
| Duration | monthly total | report only (d/mo) | all year | 024 |
| Flow | monthly average | report only (MGD) | all year | 024 |
| Flow | monthly average | report only (MGD) | all year | 024 |
| Flow | daily maximum | report only (MGD) | all year | 024 |
| Flow | daily maximum | report only (MGD) | all year | 024 |
Cited limits by parameter: Wyoming's rules and the federal ones.
Same industry: the 15 Coal Mining permits in Wyoming.
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Your permit document is the final word. As JSON: /api/v1/permits/WY0032964 · MCP: https://passage-data.com/mcp