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Sewerage Systems, Davidsville, Pennsylvania. NPDES permit PA0216399, in force until Dec 31, 2029. Last 12 months: no values over a limit, 76 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 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 001 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/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 (ug/L) | all year | 001 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 001 |
| Silver, total [as Ag] | monthly average | report only (ug/L) | all year | 001 |
| Silver, total [as Ag] | daily maximum | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 001 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 001 |
| Aluminum, total [as Al] | daily maximum | ≤ 1.5 mg/L | all year | 001 |
| Selenium, total [as Se] | monthly average | report only (ug/L) | all year | 001 |
| Selenium, total [as Se] | daily maximum | report only (ug/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 | ≤ .5 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 1 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | ≤ 60 mg/L | all year | 002 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 002 |
| Chromium, hexavalent [as Cr] | monthly average | report only (ug/L) | all year | 002 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 002 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 002 |
| Iron, total [as Fe] | monthly average | ≤ 2 mg/L | all year | 002 |
| Iron, total [as Fe] | daily maximum | ≤ 4 mg/L | all year | 002 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 002 |
| Lead, total [as Pb] | daily maximum | report only (ug/L) | all year | 002 |
| Manganese, total [as Mn] | monthly average | ≤ 1 mg/L | all year | 002 |
| Manganese, total [as Mn] | daily maximum | ≤ 2 mg/L | all year | 002 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year | 002 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 002 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 002 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 002 |
| Antimony, total [as Sb] | monthly average | report only (ug/L) | all year | 002 |
| Antimony, total [as Sb] | daily maximum | report only (ug/L) | all year | 002 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 002 |
| Aluminum, total [as Al] | daily maximum | ≤ 1.5 mg/L | 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 |
| Chlorine, total residual | monthly average | ≤ .5 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ 1 mg/L | all year | 002 |
| 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 |
| Cadmium, total [as Cd] | monthly average | report only (ug/L) | all year | 003 |
| Cadmium, total [as Cd] | daily maximum | report only (ug/L) | all year | 003 |
| Copper, total [as Cu] | monthly average | report only (ug/L) | all year | 003 |
| Copper, total [as Cu] | daily maximum | report only (ug/L) | all year | 003 |
| Iron, total [as Fe] | monthly average | ≤ 1.5 mg/L | all year | 003 |
| Iron, total [as Fe] | daily maximum | ≤ 3 mg/L | all year | 003 |
| Lead, total [as Pb] | monthly average | report only (ug/L) | all year | 003 |
| Lead, total [as Pb] | daily maximum | report only (ug/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 |
| Nickel, total [as Ni] | monthly average | report only (ug/L) | all year | 003 |
| Nickel, total [as Ni] | daily maximum | report only (ug/L) | all year | 003 |
| Zinc, total [as Zn] | monthly average | report only (ug/L) | all year | 003 |
| Zinc, total [as Zn] | daily maximum | report only (ug/L) | all year | 003 |
| Aluminum, total [as Al] | monthly average | ≤ .75 mg/L | all year | 003 |
| Aluminum, total [as Al] | daily maximum | ≤ 1.5 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 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Aluminum, total [as Al], daily maximum outfall 001 | 0.75 mg/L | tighter | — | — |
| Chlorine, total residual, daily maximum outfall 001 | 0.087 mg/L | tighter | — | — |
| Chlorine, total residual, monthly average outfall 001 | 0.037 mg/L | tighter | — | — |
| Chromium, hexavalent [as Cr], daily maximum outfall 001 | 18.2 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], monthly average outfall 001 | 11.7 ug/L | new | — | — |
| Selenium, total [as Se], daily maximum outfall 001 | 8.74 ug/L | new | — | — |
| Selenium, total [as Se], monthly average outfall 001 | 5.6 ug/L | new | — | — |
| Silver, total [as Ag], daily maximum outfall 001 | 0.4 ug/L | new | — | — |
| Silver, total [as Ag], monthly average outfall 001 | 0.4 ug/L | new | — | — |
| Aluminum, total [as Al], daily maximum outfall 002 | 0.75 mg/L | tighter | — | — |
| Cadmium, total [as Cd], daily maximum outfall 002 | 1.11 ug/L | new | — | — |
| Cadmium, total [as Cd], monthly average outfall 002 | 0.71 ug/L | new | — | — |
| Chlorine, total residual, monthly average outfall 002 | 0.48 mg/L | tighter | — | — |
| Chromium, hexavalent [as Cr], daily maximum outfall 002 | 53.6 ug/L | new | — | — |
| Chromium, hexavalent [as Cr], monthly average outfall 002 | 34.3 ug/L | new | — | — |
| Aluminum, total [as Al], daily maximum outfall 003 | 0.75 mg/L | tighter | — | — |
| Cadmium, total [as Cd], daily maximum outfall 003 | 2.36 ug/L | new | — | — |
| Cadmium, total [as Cd], monthly average outfall 003 | 1.51 ug/L | new | — | — |
Cited limits by parameter: Pennsylvania's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/PA0216399 · MCP: https://passage-data.com/mcp