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Sewage treatment plant, major discharger, Leawood, Kansas. NPDES permit KS0100854, in force until Apr 30, 2031. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 001 |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 6 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 | ≤ 1.7 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.3 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.7 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .9 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .6 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .9 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.5 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.8 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ .6 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1.3 mg/L | May | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 14.3 mg/L | Mar | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.9 mg/L | Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10.9 mg/L | Jan | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.6 mg/L | Feb | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.9 mg/L | Jun | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 7.3 mg/L | Aug | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | Sep | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 12.1 mg/L | Apr | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 11.4 mg/L | Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 15.1 mg/L | Nov | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 6.1 mg/L | Jul | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8.4 mg/L | May | 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 |
| Chloride [as Cl] | monthly average | report only (mg/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 | ≤ 262 #/100mL | all year | 001 |
| E. coli | weekly geometric mean | ≤ 4348 #/100mL | all year | 001 |
| Nitrogen, Total As N | daily average | report only (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 | report only (mg/L) | all year | 001 |
| Phosphorus, Total As P | EPA's "DPD AVG" | ≤ 79.2 lb/d | all year | 001 |
| Nitrite + Nitrate total [as N] | daily average | ≤ 8 mg/L | all year | 001 |
| Nitrite + Nitrate total [as N] | EPA's "DPD AVG" | report only (lb/d) | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 15 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | maximum weekly average | ≤ 25 mg/L | 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 |
| 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 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 005 |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | all year | 005 |
| pH | monthly average | report only (SU) | all year | 005 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 005 |
| Temperature, water deg. centigrade | monthly average | report only (deg C) | all year | 006 |
| Oxygen, dissolved [DO] | monthly average | report only (mg/L) | all year | 006 |
| pH | monthly average | report only (SU) | all year | 006 |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year | 006 |
| Nitrite + Nitrate total [as N] | monthly average | report only (mg/L) | all year | 006 |
| Stream flow, estimated | monthly average | report only (cfs) | all year | 006 |
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/KS0100854 · MCP: https://passage-data.com/mcp