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Nitrogenous Fertilizers, Culbertson, Nebraska. NPDES permit NE0121509, in force until Dec 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year |
| Temperature, water deg. fahrenheit | daily maximum | ≤ 72 deg F | all year |
| Conductivity | monthly average | report only (umho/cm) | Jan, Feb, Mar, Oct, Nov, Dec |
| Conductivity | monthly average | ≤ 3967 umho/cm | Apr–Sep |
| Conductivity | daily maximum | report only (umho/cm) | Jan, Feb, Mar, Oct, Nov, Dec |
| Conductivity | daily maximum | ≤ 7959 umho/cm | Apr–Sep |
| pH | daily minimum | ≥ 6.5 SU | all year |
| pH | daily maximum | ≤ 9 SU | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | Jun–Oct |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, total [as N] | daily maximum | ≤ 20 mg/L | Jun–Oct |
| Nitrogen, total [as N] | monthly average | report only (kg/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, total [as N] | monthly average | report only (kg/d) | Jun–Oct |
| Nitrogen, total [as N] | daily maximum | report only (kg/d) | Jan, Feb, Mar, Apr, May, Nov, Dec |
| Nitrogen, total [as N] | daily maximum | report only (kg/d) | Jun–Oct |
| Phosphorus, total [as P] | value | report only (mg/L) | all year |
| Chloride [as Cl] | monthly average | report only (mg/L) | Jan, Feb, Nov, Dec |
| Chloride [as Cl] | monthly average | report only (mg/L) | Mar–May |
| Chloride [as Cl] | monthly average | ≤ 917 mg/L | Jun–Oct |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Jan, Feb, Nov, Dec |
| Chloride [as Cl] | daily maximum | report only (mg/L) | Mar–May |
| Chloride [as Cl] | daily maximum | ≤ 1840 mg/L | Jun–Oct |
| Chloride [as Cl] | monthly average | report only (kg/d) | Jan, Feb, Nov, Dec |
| Chloride [as Cl] | monthly average | report only (kg/d) | Mar–May |
| Chloride [as Cl] | monthly average | ≤ 97 kg/d | Jun–Oct |
| Chloride [as Cl] | daily maximum | report only (kg/d) | Jan, Feb, Nov, Dec |
| Chloride [as Cl] | daily maximum | report only (kg/d) | Mar–May |
| Chloride [as Cl] | daily maximum | ≤ 194 kg/d | Jun–Oct |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year |
Cited limits by parameter: Nebraska's rules and the federal ones.
Same industry: the 31 Chemicals and Allied Products 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/NE0121509 · MCP: https://passage-data.com/mcp