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Sewerage Systems, Cawker City, Kansas. NPDES permit KS0030465, in force until May 31, 2029. Last 12 months: over a limit 2 times (last November 2025), 2 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| November 2025 | BOD, 5-day, 20 deg. C, monthly average | 33.2 mg/L | ≤ 30 mg/L | 11% |
| November 2025 | Solids, total suspended, monthly average | 116 mg/L | ≤ 80 mg/L | 45% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year | 001 |
| pH | monthly average | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | ≤ 80 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 120 mg/L | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.1 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.5 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.1 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.1 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.3 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.9 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.8 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.1 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8.1 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.8 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.9 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.1 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.6 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.7 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.6 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.5 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.8 mg/L | Sep | 001 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| E. coli | monthly geometric mean | report only (#/100mL) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
Cited limits by parameter: Kansas'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/KS0030465 · MCP: https://passage-data.com/mcp