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Stateline Cooperative

Prepared Feeds, Armstrong, Iowa. NPDES permit IA0052462 expired Oct 31, 2020; its limits still apply. Last 12 months: over a limit 3 times (last January 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (25 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
10 values over a limit, 0 required values missing, 2 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
October 2025Iron, total [as Fe], 30-day average1.1≤ 1 mg/L10%
October 2025Iron, total [as Fe], daily maximum1.1≤ 1 mg/L10%
January 2026Temperature, water deg. fahrenheit, 30-day average88.3≤ 53.2 deg F66%

Limits in force (91)

ParameterStatisticLimitMonths
Temperature, water deg. fahrenheit30-day average≤ 53.2 deg FJan
Temperature, water deg. fahrenheit30-day average≤ 86.9 deg FJun
Temperature, water deg. fahrenheit30-day average≤ 65.1 deg FMar
Temperature, water deg. fahrenheit30-day average≤ 89.6 deg FAug
Temperature, water deg. fahrenheit30-day average≤ 82.4 deg FApr
Temperature, water deg. fahrenheit30-day average≤ 82.4 deg FMay
Temperature, water deg. fahrenheit30-day average≤ 53.2 deg FFeb
Temperature, water deg. fahrenheit30-day average≤ 69.8 deg FNov
Temperature, water deg. fahrenheit30-day average≤ 84.7 deg FOct
Temperature, water deg. fahrenheit30-day average≤ 87.8 deg FSep
Temperature, water deg. fahrenheit30-day average≤ 89.6 deg FJul
Temperature, water deg. fahrenheit30-day average≤ 60.8 deg FDec
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FJan
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FJun
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FMar
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FAug
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FApr
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FMay
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FFeb
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FNov
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FOct
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FSep
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FJul
Temperature, water deg. fahrenheitdaily maximum≤ 89.6 deg FDec
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year
pHdaily minimum≥ 6.5 SUall year
pHdaily maximum≤ 9 SUall year
Oil & Grease30-day average≤ 10 mg/Lall year
Oil & Greasedaily maximum≤ 15 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 1.9 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 5.8 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 5.2 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ .7 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ .9 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 2.8 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 3.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 1.9 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 10.1 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ .7 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 1 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ .9 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 5.5 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 1.8 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 2.5 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ .5 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 1.5 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 1.3 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ .2 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ .3 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ .2 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ .4 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ .7 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 1 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ .4 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ .8 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ .6 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ .5 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 1.7 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 2.5 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ .2 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ .3 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ .2 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ .4 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 1 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 1.4 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ .4 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ .8 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ .6 lb/dOct
Nitrogen, nitrate total [as N]30-day average≤ 2.38 lb/dall year
Nitrogen, nitrate total [as N]daily maximum≤ 2.38 lb/dall year
Chloride [as Cl]30-day average≤ 389 mg/Lall year
Chloride [as Cl]daily maximum≤ 629 mg/Lall year
Chloride [as Cl]30-day average≤ 97 lb/dall year
Chloride [as Cl]daily maximum≤ 157 lb/dall year
Sulfate, total [as SO4]30-day average≤ 1514 mg/Lall year
Sulfate, total [as SO4]daily maximum≤ 1514 mg/Lall year
Sulfate, total [as SO4]30-day average≤ 379 lb/dall year
Sulfate, total [as SO4]daily maximum≤ 379 lb/dall year
Iron, total [as Fe]30-day average≤ 1 mg/Lall year
Iron, total [as Fe]daily maximum≤ 1 mg/Lall year
Iron, total [as Fe]30-day average≤ .25 lb/dall year
Iron, total [as Fe]daily maximum≤ .25 lb/dall year

How strict are these limits?

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

Same industry: the 48 Food and Kindred Products permits in Iowa.

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Your permit document is the final word. As JSON: /api/v1/permits/IA0052462 · MCP: https://passage-data.com/mcp