Passage Data · Check a report · Use it from your AI
Federal facility, Riverdale, North Dakota. NPDES permit ND0000388, in force until Dec 31, 2027. Last 12 months: no values over a limit, 15 required values missing, 13 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | weekly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) (alert, not enforceable) | all year | 001 |
| Solids, total suspended | daily maximum | report only (mg/L) (alert, not enforceable) | 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 |
| Flow, total | total | report only (Mgal) | all year | 001 |
| Duration of discharge | total | report only (d) (alert, not enforceable) | all year | 001 |
| BOD, 5-day, 20 deg. C | weekly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | 30-day average | ≤ 25 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 002 |
| pH | minimum | ≥ 6.5 SU | all year | 002 |
| pH | maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | weekly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | daily maximum | report only (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 |
| Flow, total | total | report only (Mgal) | all year | 002 |
Cited limits by parameter: North Dakota's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/ND0000388 · MCP: https://passage-data.com/mcp