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Water Supply, Oakmont, Pennsylvania. NPDES permit PA0217905, in force until Aug 31, 2030. Last 12 months: no values over a limit, 54 required values missing. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 001 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 001 |
| Chromium, hexavalent [as Cr] | monthly average | report only (mg/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 001 |
| Copper, total [as Cu] | daily maximum | ≤ .01 mg/L | all year | 001 |
| Iron, total [as Fe] | monthly average | ≤ 1.5 mg/L | all year | 001 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 001 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 001 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 001 |
| Nickel, total [as Ni] | monthly average | report only (mg/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 001 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ .752 mg/L | 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 |
| Chlorine, total residual | monthly average | ≤ .012 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .028 mg/L | all year | 001 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 003 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 003 |
| Oil & Grease | daily maximum | ≤ 30 mg/L | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ 2 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 003 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 003 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 003 |
| Aluminum, total [as Al] | monthly average | ≤ 4 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ 8 mg/L | 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 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ 1 mg/L | all year | 003 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 003 |
| Solids, total dissolved | daily maximum | report only (mg/L) | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 010 |
| pH | instantaneous maximum | ≤ 9 SU | 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 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 010 |
| Chlorine, total residual | daily maximum | ≤ 1.17 mg/L | all year | 010 |
| 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 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 011 |
| Chlorine, total residual | daily maximum | ≤ 1.17 mg/L | all year | 011 |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
Same industry: the 214 Water Supply permits in Pennsylvania.
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Your permit document is the final word. As JSON: /api/v1/permits/PA0217905 · MCP: https://passage-data.com/mcp