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Bituminous Coal And Lignite - Surface, Calvin, Virginia. NPDES permit VAM081065 expired Oct 15, 2017; its limits still apply. Last 12 months: over a limit 31 times (last June 2026), 1 required value missing. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| October 2025 | 0029 | Manganese, total [as Mn], daily maximum | 4.4 | ≤ 4 mg/L | 10% |
| October 2025 | 0029 | Manganese, total [as Mn], monthly average | 2.95 | ≤ 2 mg/L | 48% |
| November 2025 | 0029 | Iron, total [as Fe], daily maximum | 7.9 | ≤ 6 mg/L | 32% |
| November 2025 | 0029 | Iron, total [as Fe], monthly average | 4.2 | ≤ 3 mg/L | 40% |
| November 2025 | 0029 | Manganese, total [as Mn], monthly average | 2.45 | ≤ 2 mg/L | 23% |
| December 2025 | 0029 | Iron, total [as Fe], monthly average | 5 | ≤ 3 mg/L | 67% |
| December 2025 | 0029 | Manganese, total [as Mn], daily maximum | 4.6 | ≤ 4 mg/L | 15% |
| December 2025 | 0029 | Manganese, total [as Mn], monthly average | 4.5 | ≤ 2 mg/L | 125% |
| December 2025 | 0037 | Manganese, total [as Mn], monthly average | 2.2 | ≤ 2 mg/L | 10% |
| January 2026 | 0029 | Iron, total [as Fe], daily maximum | 10.4 | ≤ 6 mg/L | 73% |
| January 2026 | 0029 | Iron, total [as Fe], monthly average | 7.3 | ≤ 3 mg/L | 143% |
| January 2026 | 0029 | Manganese, total [as Mn], daily maximum | 4.9 | ≤ 4 mg/L | 23% |
| January 2026 | 0029 | Manganese, total [as Mn], monthly average | 3.666666 | ≤ 2 mg/L | 83% |
| January 2026 | 0037 | Manganese, total [as Mn], monthly average | 2.4 | ≤ 2 mg/L | 20% |
| February 2026 | 0029 | Manganese, total [as Mn], monthly average | 2.7 | ≤ 2 mg/L | 35% |
| February 2026 | 0037 | Manganese, total [as Mn], monthly average | 2.45 | ≤ 2 mg/L | 23% |
| February 2026 | 5872 | Manganese, total [as Mn], monthly average | 2.35 | ≤ 2 mg/L | 18% |
| February 2026 | 5875 | Solids, total suspended, daily maximum | 165 | ≤ 70 mg/L | 136% |
| March 2026 | 0029 | Iron, total [as Fe], monthly average | 3.85 | ≤ 3 mg/L | 28% |
| March 2026 | 0029 | Manganese, total [as Mn], monthly average | 2.1 | ≤ 2 mg/L | 5% |
| April 2026 | 0029 | Manganese, total [as Mn], monthly average | 2.95 | ≤ 2 mg/L | 48% |
| April 2026 | 4190 | Solids, total suspended, daily maximum | 142 | ≤ 70 mg/L | 103% |
| April 2026 | 4191 | Manganese, total [as Mn], monthly average | 2.1 | ≤ 2 mg/L | 5% |
| April 2026 | 5875 | Iron, total [as Fe], monthly average | 3.1 | ≤ 3 mg/L | 3% |
| May 2026 | 0029 | Iron, total [as Fe], monthly average | 3.9 | ≤ 3 mg/L | 30% |
| May 2026 | 0029 | Manganese, total [as Mn], monthly average | 3.5 | ≤ 2 mg/L | 75% |
| June 2026 | 0029 | Iron, total [as Fe], daily maximum | 10.8 | ≤ 6 mg/L | 80% |
| June 2026 | 0029 | Iron, total [as Fe], monthly average | 3.833333 | ≤ 3 mg/L | 28% |
| June 2026 | 0029 | Manganese, total [as Mn], daily maximum | 4.3 | ≤ 4 mg/L | 8% |
| June 2026 | 0029 | Manganese, total [as Mn], monthly average | 2.066666 | ≤ 2 mg/L | 3% |
| June 2026 | 0029 | Solids, total suspended, daily maximum | 88 | ≤ 70 mg/L | 26% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 0029 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 0029 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 0029 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 0029 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 0029 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 0029 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 0029 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 0029 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 0029 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 0029 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 0029 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 0029 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 0029 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 0037 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 0037 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 0037 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 0037 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 0037 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 0037 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 0037 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 0037 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 0037 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 0037 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 0037 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 0037 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 0037 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 4189 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 4189 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 4189 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 4189 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 4189 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 4189 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 4189 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 4189 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 4189 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 4189 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 4189 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 4189 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 4189 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 4190 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 4190 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 4190 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 4190 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 4190 |
| Solids, settleable | daily minimum | report only (mL/L) | all year | 4190 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 4190 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 4190 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 4190 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 4190 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 4190 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 4190 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 4190 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 4190 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 4190 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 4190 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 4191 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 4191 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 4191 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 4191 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 4191 |
| Solids, settleable | daily minimum | report only (mL/L) | all year | 4191 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 4191 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 4191 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 4191 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 4191 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 4191 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 4191 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 4191 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 4191 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 4191 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 4191 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 5864 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 5864 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 5864 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 5864 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 5864 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 5864 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 5864 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 5864 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 5864 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 5864 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 5864 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 5864 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 5864 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 5866 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 5866 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 5866 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 5866 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 5866 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 5866 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 5866 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 5866 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 5866 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 5866 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 5866 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 5866 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 5866 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 5867 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 5867 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 5867 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 5867 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 5867 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 5867 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 5867 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 5867 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 5867 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 5867 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 5867 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 5867 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 5867 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 5869 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 5869 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 5869 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 5869 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 5869 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 5869 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 5869 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 5869 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 5869 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 5869 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 5869 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 5869 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 5869 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 5872 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 5872 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 5872 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 5872 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 5872 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 5872 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 5872 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 5872 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 5872 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 5872 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 5872 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 5872 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 5872 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 5873 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 5873 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 5873 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 5873 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 5873 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 5873 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 5873 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 5873 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 5873 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 5873 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 5873 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 5873 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 5873 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 5875 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 5875 |
| Solids, total suspended | daily minimum | report only (mg/L) | all year | 5875 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 5875 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 5875 |
| Iron, total [as Fe] | daily minimum | report only (mg/L) | all year | 5875 |
| Iron, total [as Fe] | monthly average | ≤ 3 mg/L | all year | 5875 |
| Iron, total [as Fe] | daily maximum | ≤ 6 mg/L | all year | 5875 |
| Manganese, total [as Mn] | daily minimum | report only (mg/L) | all year | 5875 |
| Manganese, total [as Mn] | monthly average | ≤ 2 mg/L | all year | 5875 |
| Manganese, total [as Mn] | daily maximum | ≤ 4 mg/L | all year | 5875 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/min) | all year | 5875 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/min) | all year | 5875 |
Cited limits by parameter: Virginia's rules and the federal ones.
Same industry: the 169 Coal Mining permits in Virginia.
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Your permit document is the final word. As JSON: /api/v1/permits/VAM081065 · MCP: https://passage-data.com/mcp