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Blast Furnaces And Steel Mills, major discharger, Norfolk, Nebraska. NPDES permit NE0111287, in force until Dec 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Duration of discharge | value | report only (d) | all year | 007 |
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 008 |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 90 deg F | all year | 008 |
| Conductivity | monthly average | report only (umho/cm) | Apr–Sep | 008 |
| Conductivity | daily maximum | ≤ 3865 umho/cm | Apr–Sep | 008 |
| pH | daily minimum | ≥ 6.5 SU | all year | 008 |
| pH | daily maximum | ≤ 9 SU | all year | 008 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 008 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 008 |
| Solids, total suspended | monthly average | ≤ 450 kg/d | all year | 008 |
| Solids, total suspended | daily maximum | ≤ 1198 kg/d | all year | 008 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 008 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 008 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 008 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 008 |
| Iron, dissolved [as Fe] | monthly average | report only (mg/L) | all year | 008 |
| Iron, dissolved [as Fe] | daily maximum | report only (mg/L) | all year | 008 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 008 |
| Lead, total [as Pb] | daily maximum | report only (mg/L) | all year | 008 |
| Lead, total [as Pb] | monthly average | ≤ .105 kg/d | all year | 008 |
| Lead, total [as Pb] | daily maximum | ≤ .315 kg/d | all year | 008 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 008 |
| Zinc, total [as Zn] | daily maximum | report only (mg/L) | all year | 008 |
| Zinc, total [as Zn] | monthly average | ≤ .157 kg/d | all year | 008 |
| Zinc, total [as Zn] | daily maximum | ≤ .473 kg/d | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Chlorine, total residual | monthly average | ≤ .011 mg/L | all year | 008 |
| Chlorine, total residual | daily maximum | ≤ .019 mg/L | all year | 008 |
| Toxicity [acute], Ceriodaphnia dubia | monthly average | report only (tox acute) | all year | 008 |
| Toxicity [acute], Ceriodaphnia dubia | daily maximum | ≤ 1 tox acute | all year | 008 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | monthly average | report only (tox acute) | all year | 008 |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | daily maximum | ≤ 1 tox acute | all year | 008 |
| Hydrocarbons, petroleum | monthly average | report only (mg/L) | all year | 008 |
| Hydrocarbons, petroleum | daily maximum | ≤ 10 mg/L | all year | 008 |
| Hydrocarbons, petroleum | monthly average | report only (kg/d) | all year | 008 |
| Hydrocarbons, petroleum | daily maximum | ≤ 300 kg/d | all year | 008 |
Cited limits by parameter: Nebraska's rules and the federal ones.
Same industry: the 5 Primary Metal Industries permits in Nebraska.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/NE0111287 · MCP: https://passage-data.com/mcp