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Sewage treatment plant, Moundridge, Kansas. NPDES permit KS0021008, in force until Mar 31, 2028. Last 12 months: over a limit once (last October 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Solids, total suspended, monthly average | 87.5 mg/L | ≤ 80 mg/L | 9% |
| 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 | ≤ 4.4 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.4 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.4 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5.6 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.7 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.4 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 3.6 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.6 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6.4 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.3 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.2 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.2 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.9 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.5 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.2 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.4 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.2 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.4 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5.1 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.2 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.8 mg/L | Aug | 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 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 001 |
| E. coli | monthly geometric mean | ≤ 3843 #/100mL | all year | 001 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 002 |
| 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 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 003 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 003 |
| Zinc, total recoverable | monthly average | report only (ug/L) | all year | 003 |
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/KS0021008 · MCP: https://passage-data.com/mcp