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Federal facility (Sewerage Systems), Pickstown, South Dakota. NPDES permit SD0020648 expired Sep 30, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | 30-day average | report only (deg C) | all year | 001 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 001 |
| Flow rate | 30-day average | report only (MGD) | all year | 001 |
| Flow rate | daily maximum | report only (MGD) | all year | 001 |
| pH | daily minimum | ≥ 6.5 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 001 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 001 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Temperature, water deg. centigrade | 30-day average | report only (deg C) | all year | 002 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 002 |
| Flow rate | 30-day average | report only (MGD) | all year | 002 |
| Flow rate | daily maximum | report only (MGD) | all year | 002 |
| pH | daily minimum | ≥ 6.5 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 002 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 002 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 002 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 002 |
| Temperature, water deg. centigrade | 30-day average | report only (deg C) | all year | 003 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 003 |
| Flow rate | 30-day average | report only (MGD) | all year | 003 |
| Flow rate | daily maximum | report only (MGD) | all year | 003 |
| pH | daily minimum | ≥ 6.5 SU | all year | 003 |
| pH | daily maximum | ≤ 9 SU | all year | 003 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 003 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 003 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 003 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 003 |
| Temperature, water deg. centigrade | 30-day average | report only (deg C) | all year | 004 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 004 |
| Flow rate | 30-day average | report only (MGD) | all year | 004 |
| Flow rate | daily maximum | report only (MGD) | all year | 004 |
| pH | daily minimum | ≥ 6.5 SU | all year | 004 |
| pH | daily maximum | ≤ 9 SU | all year | 004 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 004 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 004 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 004 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 004 |
| Temperature, water deg. centigrade | 30-day average | report only (deg C) | all year | 006 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 006 |
| Flow rate | 30-day average | report only (MGD) | all year | 006 |
| Flow rate | daily maximum | report only (MGD) | all year | 006 |
| pH | daily minimum | ≥ 6.5 SU | all year | 006 |
| pH | daily maximum | ≤ 9 SU | all year | 006 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 006 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 006 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 006 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 006 |
| Temperature, water deg. centigrade | 30-day average | report only (deg C) | all year | 007 |
| Temperature, water deg. centigrade | daily maximum | report only (deg C) | all year | 007 |
| Flow rate | 30-day average | report only (MGD) | all year | 007 |
| Flow rate | daily maximum | report only (MGD) | all year | 007 |
| pH | daily minimum | ≥ 6.5 SU | all year | 007 |
| pH | daily maximum | ≤ 9 SU | all year | 007 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 007 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 007 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 1 mg/L | all year | 007 |
| Oil and grease visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 007 |
Cited limits by parameter: South 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/SD0020648 · MCP: https://passage-data.com/mcp