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Sewage treatment plant, Norwich, Kansas. NPDES permit KS0095494, in force until Jun 30, 2028. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| 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 | ≤ 5.8 mg/L | all year | 001 |
| E. coli | monthly geometric mean | report only (#/100mL) | 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 |
| Alkalinity, total [as CaCO3] | monthly average | report only (mg/L) | all year | M01 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | M01 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | M01 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | all year | M01 |
| Magnesium, total [as Mg] | monthly average | report only (mg/L) | all year | M01 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | all year | M01 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | M01 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | M01 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | all year | M01 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | M01 |
| Manganese, total recoverable | monthly average | report only (ug/L) | all year | M01 |
| Alkalinity, total [as CaCO3] | monthly average | report only (mg/L) | all year | M02 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | M02 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | M02 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | all year | M02 |
| Magnesium, total [as Mg] | monthly average | report only (mg/L) | all year | M02 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | all year | M02 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | M02 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | M02 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | all year | M02 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | M02 |
| Manganese, total recoverable | monthly average | report only (ug/L) | all year | M02 |
| Alkalinity, total [as CaCO3] | monthly average | report only (mg/L) | all year | M03 |
| Nitrogen, nitrate total [as N] | monthly average | report only (mg/L) | all year | M03 |
| Hardness, total [as CaCO3] | monthly average | report only (mg/L) | all year | M03 |
| Calcium, total [as Ca] | monthly average | report only (mg/L) | all year | M03 |
| Magnesium, total [as Mg] | monthly average | report only (mg/L) | all year | M03 |
| Sodium, total [as Na] | monthly average | report only (mg/L) | all year | M03 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | M03 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | M03 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | all year | M03 |
| Iron, total [as Fe] | monthly average | report only (ug/L) | all year | M03 |
| Manganese, total recoverable | monthly average | report only (ug/L) | all year | M03 |
Cited limits by parameter: Kansas's rules and the federal ones.
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Your permit document is the final word. As JSON: /api/v1/permits/KS0095494 · MCP: https://passage-data.com/mcp