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Nonclassifiable Establishments, Oak Hill, Ohio. NPDES permit OH0139904, in force until Nov 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 001 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 001 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 001 |
| Rainfall | monthly average | report only (in) | all year | 001 |
| Rainfall | daily maximum | report only (in) | 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 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 002 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 002 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 002 |
| Rainfall | monthly average | report only (in) | all year | 002 |
| Rainfall | daily maximum | report only (in) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 003 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 003 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 003 |
| Rainfall | monthly average | report only (in) | all year | 003 |
| Rainfall | daily maximum | report only (in) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 004 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 004 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 004 |
| Rainfall | monthly average | report only (in) | all year | 004 |
| Rainfall | daily maximum | report only (in) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| pH | daily minimum | ≥ 6.5 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 006 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 006 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 006 |
| Rainfall | monthly average | report only (in) | all year | 006 |
| Rainfall | daily maximum | report only (in) | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| pH | daily minimum | ≥ 6.5 SU | all year | 007 |
| pH | daily maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 007 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 007 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 007 |
| Rainfall | monthly average | report only (in) | all year | 007 |
| Rainfall | daily maximum | report only (in) | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| pH | daily minimum | ≥ 6.5 SU | all year | 008 |
| pH | daily maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 008 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 008 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 008 |
| Rainfall | monthly average | report only (in) | all year | 008 |
| Rainfall | daily maximum | report only (in) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| pH | daily minimum | ≥ 6.5 SU | all year | 009 |
| pH | daily maximum | ≤ 9 SU | all year | 009 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 009 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 009 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 009 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 009 |
| Rainfall | monthly average | report only (in) | all year | 009 |
| Rainfall | daily maximum | report only (in) | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| pH | daily minimum | ≥ 6.5 SU | all year | 010 |
| pH | daily maximum | ≤ 9 SU | all year | 010 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 010 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 010 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 010 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 010 |
| Rainfall | monthly average | report only (in) | all year | 010 |
| Rainfall | daily maximum | report only (in) | all year | 010 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 010 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 010 |
| pH | daily minimum | ≥ 6.5 SU | all year | 011 |
| pH | daily maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 011 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 011 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 011 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 011 |
| Rainfall | monthly average | report only (in) | all year | 011 |
| Rainfall | daily maximum | report only (in) | all year | 011 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| pH | daily minimum | ≥ 6.5 SU | all year | 012 |
| pH | daily maximum | ≤ 9 SU | all year | 012 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 012 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 012 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 012 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 012 |
| Rainfall | monthly average | report only (in) | all year | 012 |
| Rainfall | daily maximum | report only (in) | all year | 012 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 012 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 012 |
| pH | daily minimum | ≥ 6.5 SU | all year | 014 |
| pH | daily maximum | ≤ 9 SU | all year | 014 |
| Solids, total suspended | monthly average | ≤ 35 mg/L | all year | 014 |
| Solids, total suspended | daily maximum | ≤ 70 mg/L | all year | 014 |
| Solids, settleable | monthly average | report only (mL/L) | all year | 014 |
| Solids, settleable | daily maximum | report only (mL/L) | all year | 014 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 014 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 014 |
| Iron, total [as Fe] | monthly average | ≤ 3000 ug/L | Mar, Jun, Aug, Dec | 014 |
| Iron, total [as Fe] | daily maximum | ≤ 6000 ug/L | Mar, Jun, Aug, Dec | 014 |
| Manganese, total [as Mn] | monthly average | ≤ 2000 ug/L | Mar, Jun, Aug, Dec | 014 |
| Manganese, total [as Mn] | daily maximum | ≤ 4000 ug/L | Mar, Jun, Aug, Dec | 014 |
| Rainfall | monthly average | report only (in) | all year | 014 |
| Rainfall | daily maximum | report only (in) | all year | 014 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 014 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 014 |
| Solids, total dissolved- 180 deg. C | monthly average | report only (mg/L) | Mar, Jun, Aug, Dec | 014 |
| Solids, total dissolved- 180 deg. C | daily maximum | report only (mg/L) | Mar, Jun, Aug, Dec | 014 |
Cited limits by parameter: Ohio's rules and the federal ones.
Same industry: the 98 Nonclassifiable Establishments permits in Ohio.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/OH0139904 · MCP: https://passage-data.com/mcp