Passage Data · Check a report · Use it from your AI
Electric Services, Sioux Falls, South Dakota. NPDES permit SD0000264 expired Nov 30, 2015; 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. fahrenheit | average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 001 |
| Flow rate | 30-day average | report only (MGD) | all year | 001 |
| Flow rate | 30-day average | report only (MGD) | all year | 001 |
| Flow rate | daily maximum | report only (MGD) | all year | 001 |
| Flow rate | daily maximum | report only (MGD) | all year | 001 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 001 |
| Conductivity | daily maximum | report only (umho/cm) | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | 30-day average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (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 | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| pH | maximum | ≤ 9 SU | all year | 001 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Alkalinity, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 001 |
| Solids, total suspended | 30-day average | report only (mg/L) | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 001 |
| Nitrogen, nitrate total [as N] | 30-day average | ≤ 50 mg/L | all year | 001 |
| Nitrogen, nitrate total [as N] | 30-day average | ≤ 50 mg/L | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 88 mg/L | all year | 001 |
| Nitrogen, nitrate total [as N] | daily maximum | ≤ 88 mg/L | all year | 001 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Floating solids, waste or visible foam-visual | daily maximum | ≤ 0 N=0;Y=1 | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 001 |
| Flow, total | monthly total | report only (Mgal) | all year | 001 |
| Flow, total | monthly total | report only (Mgal) | all year | 001 |
| Solids, total dissolved | 30-day average | ≤ 4000 mg/L | all year | 001 |
| Solids, total dissolved | 30-day average | ≤ 4000 mg/L | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 4000 mg/L | all year | 001 |
| Solids, total dissolved | daily maximum | ≤ 4000 mg/L | all year | 001 |
| Duration of discharge | monthly total | report only (d) | all year | 001 |
| Duration of discharge | monthly total | report only (d) | all year | 001 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 10 mg/L | all year | 001 |
| Hydrocarbons, total petroleum | daily maximum | ≤ 10 mg/L | all year | 001 |
| Oil and grease visual | daily maximum | < 1 N=0;Y=1 | all year | 001 |
| Oil and grease visual | daily maximum | < 1 N=0;Y=1 | all year | 001 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | daily maximum | ≤ 0 pass=0;fail=1 | all year | 001 |
| Flow rate | 30-day average | report only (MGD) | all year | 002 |
| Flow rate | 30-day average | report only (MGD) | all year | 002 |
| Flow rate | daily maximum | report only (MGD) | all year | 002 |
| Flow rate | daily maximum | report only (MGD) | all year | 002 |
| Flow, total | monthly total | report only (Mgal) | all year | 002 |
| Flow, total | monthly total | report only (Mgal) | all year | 002 |
| Duration of discharge | monthly total | report only (d) | all year | 002 |
| Duration of discharge | monthly total | report only (d) | all year | 002 |
Cited limits by parameter: South 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/SD0000264 · MCP: https://passage-data.com/mcp