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Sewage treatment plant, Clarks, Nebraska. NPDES permit NE0113549 expired Mar 31, 2017; its limits still apply. Last 12 months: over a limit once (last August 2026), 42 required values missing, 7 of 19 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| August 2026 | Nitrogen, total [as N], maximum | 12.5 mg/L | ≤ 10 mg/L | 25% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Conductivity | monthly average | report only (umho/cm) | all year | 001 |
| Conductivity | maximum | report only (umho/cm) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | maximum | report only (mg/L) | all year | 001 |
| pH | minimum | ≥ 6.5 SU | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 001 |
| Solids, total suspended | maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | maximum | ≤ 10 mg/L | all year | 001 |
| Chloride [as Cl] | monthly average | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | maximum | report only (mg/L) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | maximum | report only (MGD) | all year | 001 |
| Solids, total dissolved | monthly average | report only (mg/L) | all year | 001 |
| Solids, total dissolved | maximum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | value | report only (mg/L) | all year | INF |
| pH | value | report only (SU) | all year | INF |
| Solids, total suspended | value | report only (mg/L) | all year | INF |
| Flow, in conduit or thru treatment plant | value | report only (MGD) | all year | INF |
| Conductivity | value | report only (umho/cm) | all year | MW1 |
| pH | value | report only (SU) | all year | MW1 |
| Nitrogen, nitrate total [as N] | value | report only (mg/L) | all year | MW1 |
| Nitrogen, Kjeldahl, total [as N] | value | report only (mg/L) | all year | MW1 |
| Chloride [as Cl] | value | report only (mg/L) | all year | MW1 |
| Cadmium, total [as Cd] | value | report only (mg/L) | all year | MW1 |
| Chromium, total [as Cr] | value | report only (mg/L) | all year | MW1 |
| Copper, total [as Cu] | value | report only (mg/L) | all year | MW1 |
| Lead, total [as Pb] | value | report only (mg/L) | all year | MW1 |
| Nickel, total [as Ni] | value | report only (mg/L) | all year | MW1 |
| Silver, total [as Ag] | value | report only (mg/L) | all year | MW1 |
| Zinc, total [as Zn] | value | report only (mg/L) | all year | MW1 |
| Solids, total dissolved | value | report only (mg/L) | all year | MW1 |
| Water level at sample collection time | value | report only (in) | all year | MW1 |
| Conductivity | value | report only (umho/cm) | all year | MW2 |
| pH | value | report only (SU) | all year | MW2 |
| Nitrogen, nitrate total [as N] | value | report only (mg/L) | all year | MW2 |
| Nitrogen, Kjeldahl, total [as N] | value | report only (mg/L) | all year | MW2 |
| Chloride [as Cl] | value | report only (mg/L) | all year | MW2 |
| Cadmium, total [as Cd] | value | report only (mg/L) | all year | MW2 |
| Chromium, total [as Cr] | value | report only (mg/L) | all year | MW2 |
| Copper, total [as Cu] | value | report only (mg/L) | all year | MW2 |
| Lead, total [as Pb] | value | report only (mg/L) | all year | MW2 |
| Nickel, total [as Ni] | value | report only (mg/L) | all year | MW2 |
| Silver, total [as Ag] | value | report only (mg/L) | all year | MW2 |
| Zinc, total [as Zn] | value | report only (mg/L) | all year | MW2 |
| Solids, total dissolved | value | report only (mg/L) | all year | MW2 |
| Water level at sample collection time | value | report only (in) | all year | MW2 |
| Conductivity | value | report only (umho/cm) | all year | MW3 |
| pH | value | report only (SU) | all year | MW3 |
| Nitrogen, nitrate total [as N] | value | report only (mg/L) | all year | MW3 |
| Nitrogen, Kjeldahl, total [as N] | value | report only (mg/L) | all year | MW3 |
| Chloride [as Cl] | value | report only (mg/L) | all year | MW3 |
| Cadmium, total [as Cd] | value | report only (mg/L) | all year | MW3 |
| Chromium, total [as Cr] | value | report only (mg/L) | all year | MW3 |
| Copper, total [as Cu] | value | report only (mg/L) | all year | MW3 |
| Lead, total [as Pb] | value | report only (mg/L) | all year | MW3 |
| Nickel, total [as Ni] | value | report only (mg/L) | all year | MW3 |
| Silver, total [as Ag] | value | report only (mg/L) | all year | MW3 |
| Zinc, total [as Zn] | value | report only (mg/L) | all year | MW3 |
| Solids, total dissolved | value | report only (mg/L) | all year | MW3 |
| Water level at sample collection time | value | report only (in) | all year | MW3 |
Cited limits by parameter: Nebraska'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/NE0113549 · MCP: https://passage-data.com/mcp