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Sewage treatment plant, Valley Falls, Kansas. NPDES permit KS0022543, in force until Sep 30, 2031. Last 12 months: over a limit 2 times (last March 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | BOD, 5-day, 20 deg. C, monthly average | 37.4 mg/L | ≤ 30 mg/L | 25% |
| March 2026 | BOD, 5-day, 20 deg. C, monthly average | 31.3 mg/L | ≤ 30 mg/L | 4% |
These limits come from an earlier version of this permit (version 3 in EPA's file); its current version holds none yet. A renewal can change them.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year |
| pH | monthly average | report only (SU) | all year |
| Solids, total suspended | monthly average | ≤ 80 mg/L | all year |
| Solids, total suspended | maximum weekly average | ≤ 120 mg/L | all year |
| Solids, total suspended | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 6 mg/L | all year |
| Nitrogen, Kjeldahl, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| E. coli | monthly geometric mean | report only (#/100mL) | all year |
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/KS0022543 · MCP: https://passage-data.com/mcp