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Carbon And Graphite Products, Madison, Alabama. NPDES permit AL0083321, 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 |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | daily maximum | ≤ 86 deg F | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily minimum | report only (SU) | all year | 002 |
| pH | daily maximum | ≤ 8.5 SU | all year | 002 |
| pH | daily maximum | report only (SU) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Toluene | daily maximum | = 8723 ug/L | all year | 002 |
| Benzene | daily maximum | = 15.5 ug/L | all year | 002 |
| Ethylbenzene | daily maximum | = 1244 ug/L | all year | 002 |
| Naphthalene | daily maximum | = 620 ug/L | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | 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 | ≤ .14 mg/L | all year | 002 |
| Chlorine, total residual | daily maximum | ≤ .23 mg/L | all year | 002 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 002 |
| Xylene [mix of m+o+p] | daily maximum | report only (mg/L) | all year | 002 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 86 deg F | all year | 003 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 003 |
| pH | monthly average | ≤ 6 SU | all year | 003 |
| pH | daily minimum | report only (SU) | all year | 003 |
| pH | daily maximum | ≤ 8.5 SU | all year | 003 |
| pH | daily maximum | report only (SU) | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Nitrite + Nitrate total [as N] | daily maximum | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 003 |
| Toluene | daily maximum | = 8723 ug/L | all year | 003 |
| Benzene | daily maximum | = 15.5 ug/L | all year | 003 |
| Ethylbenzene | daily maximum | = 1244 ug/L | all year | 003 |
| Naphthalene | daily maximum | = 620 ug/L | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | 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 | ≤ .14 mg/L | all year | 003 |
| Chlorine, total residual | daily maximum | ≤ .23 mg/L | all year | 003 |
| Chemical Oxygen Demand [COD] | daily maximum | report only (mg/L) | all year | 003 |
| Xylene [mix of m+o+p] | daily maximum | report only (mg/L) | all year | 003 |
Cited limits by parameter: Alabama's rules and the federal ones.
Same industry: the 3 Electronic and Other Electrical Equipment permits in Alabama.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/AL0083321 · MCP: https://passage-data.com/mcp