Passage Data · Check a report · Use it from your AI
Sewage treatment plant, South Coffeyville, Oklahoma. NPDES permit OK0020117, in force until Jan 31, 2028. Last 12 months: over a limit 13 times (last August 2026), 28 required values missing, 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | E. coli, daily maximum | 15700 MPN/100mL | ≤ 2030 MPN/100mL | 673% |
| November 2025 | BOD, 5-day, 20 deg. C, monthly average | 26 mg/L | ≤ 20 mg/L | 30% |
| November 2025 | BOD, 5-day, 20 deg. C, weekly average | 47 mg/L | ≤ 30 mg/L | 57% |
| December 2025 | Solids, total suspended, monthly average | 36 mg/L | ≤ 30 mg/L | 20% |
| December 2025 | Solids, total suspended, monthly average | 46.24 lb/d | ≤ 39.8 lb/d | 16% |
| December 2025 | Solids, total suspended, weekly average | 48 mg/L | ≤ 45 mg/L | 7% |
| January 2026 | BOD, 5-day, 20 deg. C, monthly average | 21.42 mg/L | ≤ 20 mg/L | 7% |
| January 2026 | BOD, 5-day, 20 deg. C, monthly average | 28.66 lb/d | ≤ 26.5 lb/d | 8% |
| January 2026 | BOD, 5-day, 20 deg. C, weekly average | 36.7 mg/L | ≤ 30 mg/L | 22% |
| January 2026 | E. coli, daily maximum | 20000 MPN/100mL | ≤ 2030 MPN/100mL | 885% |
| May 2026 | E. coli, daily maximum | 500 MPN/100mL | ≤ 406 MPN/100mL | 23% |
| August 2026 | E. coli, daily maximum | 19000 MPN/100mL | ≤ 406 MPN/100mL | 4580% |
| August 2026 | E. coli, geometric mean | 1513 MPN/100mL | ≤ 126 MPN/100mL | 1101% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | ≥ 3 mg/L | Apr, May |
| Oxygen, dissolved [DO] | minimum | ≥ 5 mg/L | Jun–Oct |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 20 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 30 mg/L | Jan, Feb, Mar, Apr, May, Nov, Dec |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 26.5 lb/d | Jan, Feb, Mar, Apr, May, Nov, Dec |
| pH | minimum | ≥ 6.5 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 39.8 lb/d | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | weekly average | ≤ 9 mg/L | Jun–Oct |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8 lb/d | Jun–Oct |
| 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 |
| Chlorine, total residual | instantaneous maximum | ≤ .099 mg/L | all year |
| E. coli | geometric mean | ≤ 126 MPN/100mL | May–Sep |
| E. coli | geometric mean | ≤ 630 MPN/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| E. coli | daily maximum | ≤ 406 MPN/100mL | May–Sep |
| E. coli | daily maximum | ≤ 2030 MPN/100mL | Jan, Feb, Mar, Apr, Oct, Nov, Dec |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 22.5 mg/L | Jun–Oct |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 19.9 lb/d | Jun–Oct |
Cited limits by parameter: Oklahoma'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/OK0020117 · MCP: https://passage-data.com/mcp