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Federal facility (Sewerage Systems), major discharger, Fort Riley, Kansas. NPDES permit KS0099759, in force until Jan 31, 2029. Last 12 months: over a limit 2 times (last October 2025), 1 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Phosphorus, Total As P, daily average | 1.7304 mg/L | ≤ 1.5 mg/L | 15% |
| October 2025 | Phosphorus, Total As P, EPA's "DPD AVG" | 27.27948 lb/d | ≤ 25.06 lb/d | 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 | daily minimum | ≥ 6 SU | all year | 001 |
| pH | daily maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | maximum weekly average | ≤ 45 mg/L | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .7 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.2 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.1 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .6 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.9 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .7 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.7 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.6 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.7 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.2 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.6 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.4 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.6 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 4.8 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 2.5 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.6 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.6 mg/L | Nov | 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 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 001 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | Mar, Apr | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 001 |
| Arsenic, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Selenium, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Thallium, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Beryllium, total recoverable [as Be] | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Nickel, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Silver total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Zinc, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Cadmium, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Lead, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Chromium, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Copper, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Antimony, total recoverable | monthly average | report only (ug/L) | Mar, Apr | 001 |
| Priority Pollutants | monthly average | report only (ug/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Chlorine, total residual | daily maximum | ≤ 100 ug/L | all year | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Dec | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Jul | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Jan | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Nov | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | May | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Jun | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Feb | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Mar | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Aug | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Sep | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Apr | 001 |
| E. coli | monthly geometric mean | ≤ 160 #/100mL | Oct | 001 |
| E. coli | weekly geometric mean | report only (#/100mL) | Dec | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | Jul | 001 |
| E. coli | weekly geometric mean | report only (#/100mL) | Jan | 001 |
| E. coli | weekly geometric mean | report only (#/100mL) | Nov | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | May | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | Jun | 001 |
| E. coli | weekly geometric mean | report only (#/100mL) | Feb | 001 |
| E. coli | weekly geometric mean | report only (#/100mL) | Mar | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | Aug | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | Sep | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | Apr | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | Oct | 001 |
| Nitrogen, Total As N | daily average | ≤ 8 mg/L | all year | 001 |
| Nitrogen, Total As N | EPA's "DPD AVG" | report only (lb/d) | all year | 001 |
| Phosphorus, Total As P | daily average | ≤ 1.5 mg/L | all year | 001 |
| Phosphorus, Total As P | EPA's "DPD AVG" | ≤ 25.06 lb/d | all year | 001 |
| Mercury, total [as Hg] | monthly average | report only (ug/L) | Mar, Apr | 001 |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | daily minimum | ≥ 82 % | Mar, Apr | 001 |
| IC25 Static Renewal 7 Day Chronic Pimephales | daily minimum | ≥ 82 % | Mar, Apr | 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 |
| Nitrogen, Kjeldahl, 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 |
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/KS0099759 · MCP: https://passage-data.com/mcp