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Fred Werth - Nutrien Kenai Nitrogen Operations

Nitrogenous Fertilizers, major discharger, Kenai, Alaska. NPDES permit AK0000507 expired Jun 29, 2022; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (21 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (21)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, organic total [as N]monthly average≤ 2842 lb/dall year
Nitrogen, organic total [as N]daily maximum≤ 5313 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1849 lb/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 3636 lb/dall year
Arsenic, total recoverabledaily maximumreport only (ug/L)all year
Nickel, total recoverabledaily maximumreport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Manganese, total recoverabledaily maximumreport only (ug/L)all year
Hydrocarbons, aromaticdaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Chlorine, total residualmonthly average≤ 1.43 mg/Lall year
Chlorine, total residualdaily maximum≤ 4.75 mg/Lall year
Chlorine, total residualmonthly average≤ 25.1 lb/dall year
Chlorine, total residualdaily maximum≤ 83.2 lb/dall year
Hydrocarbon, aqueousdaily maximumreport only (ug/L)all year
Toxicity, final conc toxicity unitsdaily maximumreport only (tox chronic)all year

How strict are these limits?

Cited limits by parameter: Alaska's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AK0000507 · MCP: https://passage-data.com/mcp