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Sewage treatment plant, Holton, Kansas. NPDES permit KS0097951, in force until Apr 30, 2030. Last 12 months: over a limit 7 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Phosphorus, Total As P, EPA's "DPD AVG" | 7.04646 lb/d | ≤ 5.51 lb/d | 28% |
| November 2025 | Phosphorus, Total As P, EPA's "DPD AVG" | 7.32727 lb/d | ≤ 5.51 lb/d | 33% |
| December 2025 | Phosphorus, Total As P, EPA's "DPD AVG" | 7.0764 lb/d | ≤ 5.51 lb/d | 28% |
| January 2026 | Phosphorus, Total As P, EPA's "DPD AVG" | 6.48986 lb/d | ≤ 5.51 lb/d | 18% |
| February 2026 | Phosphorus, Total As P, EPA's "DPD AVG" | 5.89319 lb/d | ≤ 5.51 lb/d | 7% |
| August 2026 | Nitrogen, ammonia total [as N], daily maximum | 16.3 mg/L | ≤ 2.9 mg/L | 462% |
| August 2026 | Nitrogen, ammonia total [as N], monthly average | 16.3 mg/L | ≤ .9 mg/L | 1711% |
| 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, ammonia 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 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| E. coli | monthly geometric mean | report only (#/100mL) | all year | 001 |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 6 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Jan | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Oct | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Feb | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Nov | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Mar | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 mg/L | May | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Dec | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | Apr | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 mg/L | Jul | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 mg/L | Jun | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 mg/L | Aug | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 25 mg/L | Sep | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Jan | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Oct | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Feb | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Nov | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Mar | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 40 mg/L | May | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Dec | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 45 mg/L | Apr | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 40 mg/L | Jul | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 40 mg/L | Jun | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 40 mg/L | Aug | 002 |
| BOD, 5-day, 20 deg. C | maximum weekly average | ≤ 40 mg/L | Sep | 002 |
| pH | daily minimum | ≥ 6 SU | all year | 002 |
| pH | daily maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 mg/L | Oct | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .9 mg/L | Aug | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .8 mg/L | Jul | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Feb | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Mar | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Jan | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Nov | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Jun | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 mg/L | Sep | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.9 mg/L | Apr | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.4 mg/L | May | 002 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.9 mg/L | Dec | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.9 mg/L | Oct | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.9 mg/L | Aug | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Jul | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.4 mg/L | Feb | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.4 mg/L | Mar | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.4 mg/L | Jan | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.4 mg/L | Nov | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.2 mg/L | Jun | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3.7 mg/L | Sep | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.4 mg/L | Apr | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5 mg/L | May | 002 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 9.4 mg/L | Dec | 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 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| E. coli | monthly geometric mean | ≤ 427 #/100mL | Oct | 002 |
| E. coli | monthly geometric mean | ≤ 427 #/100mL | Aug | 002 |
| E. coli | monthly geometric mean | ≤ 3843 #/100mL | Nov | 002 |
| E. coli | monthly geometric mean | ≤ 427 #/100mL | Jun | 002 |
| E. coli | monthly geometric mean | ≤ 427 #/100mL | May | 002 |
| E. coli | monthly geometric mean | ≤ 427 #/100mL | Jul | 002 |
| E. coli | monthly geometric mean | ≤ 3843 #/100mL | Mar | 002 |
| E. coli | monthly geometric mean | ≤ 3843 #/100mL | Feb | 002 |
| E. coli | monthly geometric mean | ≤ 427 #/100mL | Apr | 002 |
| E. coli | monthly geometric mean | ≤ 3843 #/100mL | Jan | 002 |
| E. coli | monthly geometric mean | ≤ 427 #/100mL | Sep | 002 |
| E. coli | monthly geometric mean | ≤ 3843 #/100mL | Dec | 002 |
| Nitrogen, Total As N | daily average | report only (mg/L) | all year | 002 |
| Nitrogen, Total As N | EPA's "DPD AVG" | report only (lb/d) | all year | 002 |
| Phosphorus, Total As P | daily average | report only (mg/L) | all year | 002 |
| Phosphorus, Total As P | EPA's "DPD AVG" | ≤ 5.51 lb/d | 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 |
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/KS0097951 · MCP: https://passage-data.com/mcp