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Refined Petroleum Pipelines, Eldridge, North Dakota. NPDES permit ND0025810, in force until Jun 30, 2030. Last 12 months: no values over a limit, 1 of 2 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly maximum | ≤ 45 mg/L | all year |
| Oil & Grease | daily maximum | ≤ 10 mg/L | all year |
| Hardness, total [as CaCO3] | daily minimum | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year |
| Lead, total recoverable | daily maximum | report only (ug/L) | all year |
| Total phenols | daily maximum | ≤ 30 ug/L | all year |
| Benzene, ethylbenzene, toluene, xylene combination | daily maximum | ≤ 750 ug/L | all year |
| Toluene | daily maximum | ≤ 520 ug/L | all year |
| Ethylbenzene | daily maximum | ≤ 130 ug/L | all year |
| p-Xylene | daily maximum | report only (ug/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
| Flow, total | total | report only (Mgal) | all year |
| Benzene [volatile analysis] | daily maximum | ≤ 58 ug/L | all year |
| Gasoline, regular | daily maximum | report only (mg/L) | all year |
| Fuel, diesel, #1 | daily maximum | report only (mg/L) | all year |
| Duration of discharge | semi-annual total | report only (d) | all year |
| Oil and grease visual | total | report only (N=0;Y=1) | all year |
Cited limits by parameter: North Dakota'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/ND0025810 · MCP: https://passage-data.com/mcp