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Electric Services, major discharger, Gulfport, Mississippi. NPDES permit MS0002925, in force until Mar 31, 2027. Last 12 months: over a limit once (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| August 2026 | Temperature, water deg. fahrenheit, maximum weekly average | 90.96 deg F | ≤ 90 deg F | 1% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | 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 |
| Temperature, water deg. fahrenheit | maximum weekly average | ≤ 90 deg F | all year | 002 |
| pH | minimum | report only (SU) | all year | 002 |
| pH | maximum | report only (SU) | 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 | ≤ .0528 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .0915 mg/L | all year | 002 |
| Chlorine, total residual | monthly average | report only (lb/d) | all year | 002 |
| Chlorine, total residual | daily maximum | report only (lb/d) | all year | 002 |
| Chlorination duration | monthly average | report only (min) | all year | 002 |
| Chlorination duration | daily maximum | ≤ 120 min | all year | 002 |
| pH | minimum | ≥ 6 SU | all year | 005 |
| pH | maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 005 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 005 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 005 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 005 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 005 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 005 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| pH | minimum | ≥ 6 SU | all year | 102 |
| pH | maximum | ≤ 9 SU | all year | 102 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 102 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 102 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 102 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 102 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 102 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 102 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 102 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| pH | minimum | ≥ 6 SU | all year | 202 |
| pH | maximum | ≤ 9 SU | all year | 202 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 202 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 202 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 202 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 202 |
| Oil & Grease | monthly average | ≤ 15 mg/L | all year | 202 |
| Oil & Grease | daily maximum | ≤ 20 mg/L | all year | 202 |
| Oil & Grease | monthly average | report only (lb/d) | all year | 202 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 202 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 202 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 202 |
| pH | minimum | ≥ 6 SU | all year | 302 |
| pH | maximum | ≤ 9 SU | all year | 302 |
| Zinc, total recoverable | annual average | ≤ 1 mg/L | all year | 302 |
| Zinc, total recoverable | annual maximum | ≤ 1 mg/L | all year | 302 |
| Chromium, total recoverable | annual average | ≤ .2 mg/L | all year | 302 |
| Chromium, total recoverable | annual maximum | ≤ .2 mg/L | all year | 302 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 302 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 302 |
| Chlorine, free available | monthly average | ≤ .2 mg/L | all year | 302 |
| Chlorine, free available | daily maximum | ≤ .5 mg/L | all year | 302 |
| Chlorine, free available | monthly average | report only (lb/d) | all year | 302 |
| Chlorine, free available | daily maximum | report only (lb/d) | all year | 302 |
| Chlorination duration | monthly average | report only (min) | all year | 302 |
| Chlorination duration | daily maximum | ≤ 120 min | all year | 302 |
Cited limits by parameter: Mississippi's rules and the federal ones.
Same industry: the 20 Electric Services permits in Mississippi.
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Your permit document is the final word. As JSON: /api/v1/permits/MS0002925 · MCP: https://passage-data.com/mcp