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Natural Gas Liquids, Marcus Hook, Delaware. NPDES permit DE0050288, in force until Mar 31, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 006 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 011 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 011 |
| pH | daily minimum | ≥ 6 SU | all year | 011 |
| pH | daily maximum | ≤ 9 SU | all year | 011 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 011 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 011 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 011 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 011 |
| Surfactants [MBAS] | daily maximum | report only (mg/L) | all year | 011 |
| Surfactants [MBAS] | daily maximum | report only (lb/d) | all year | 011 |
| Petrol hydrocarbons, total recoverable | daily maximum | report only (mg/L) | all year | 011 |
| Petrol hydrocarbons, total recoverable | daily maximum | report only (lb/d) | all year | 011 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 011 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 018 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 018 |
| pH | daily minimum | ≥ 6 SU | all year | 018 |
| pH | daily maximum | ≤ 9 SU | all year | 018 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 018 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 018 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 018 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 018 |
| Surfactants [MBAS] | daily maximum | report only (mg/L) | all year | 018 |
| Surfactants [MBAS] | daily maximum | report only (lb/d) | all year | 018 |
| Petrol hydrocarbons, total recoverable | daily maximum | report only (mg/L) | all year | 018 |
| Petrol hydrocarbons, total recoverable | daily maximum | report only (lb/d) | all year | 018 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 018 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 021 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (lb/d) | all year | 021 |
| pH | daily minimum | ≥ 6 SU | all year | 021 |
| pH | daily maximum | ≤ 9 SU | all year | 021 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 021 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 021 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 021 |
| Oil & Grease | daily maximum | report only (lb/d) | all year | 021 |
| Surfactants [MBAS] | daily maximum | report only (mg/L) | all year | 021 |
| Surfactants [MBAS] | daily maximum | report only (lb/d) | all year | 021 |
| Petrol hydrocarbons, total recoverable | daily maximum | report only (mg/L) | all year | 021 |
| Petrol hydrocarbons, total recoverable | daily maximum | report only (lb/d) | all year | 021 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 021 |
Cited limits by parameter: Delaware's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/DE0050288 · MCP: https://passage-data.com/mcp