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Osi Industries, LLC

Sausages And Other Prepared Meats, Oakland, Iowa. NPDES permit IA0065111, in force until May 31, 2031. Last 12 months: over a limit 8 times (last July 2026), 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (54 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026pH, daily maximum9.44≤ 9 SU—
March 2026Nitrogen, ammonia total [as N], daily maximum126.0568≤ 32.9 lb/d283%
March 2026Nitrogen, ammonia total [as N], daily maximum26≤ 8 mg/L225%
April 2026Coliform, fecal general, daily maximum488≤ 400 #/100mL22%
May 2026Chlorine, total residual, daily maximum.07≤ .058 mg/L21%
June 2026Coliform, fecal general, daily maximum2420≤ 400 #/100mL505%
July 2026Oil & Grease, 30-day average15≤ 12.9 mg/L16%
July 2026Oil & Grease, 30-day average70.60856≤ 53 lb/d33%

Limits in force (54)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. C30-day average≤ 35.7 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 70.4 mg/Lall year
BOD, 5-day, 20 deg. C30-day average≤ 157 lb/dall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 310 lb/dall year
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all year
BOD, 5-day, 20 deg. C30-day averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pH30-day averagereport only (SU)all year
pHdaily maximumreport only (SU)all year
Solids, total suspended30-day average≤ 42.9 mg/Lall year
Solids, total suspendeddaily maximum≤ 84.9 mg/Lall year
Solids, total suspended30-day average≤ 189 lb/dall year
Solids, total suspendeddaily maximum≤ 374 lb/dall year
Solids, total suspended30-day averagereport only (mg/L)all year
Solids, total suspendeddaily maximumreport only (mg/L)all year
Solids, total suspended30-day averagereport only (lb/d)all year
Solids, total suspendeddaily maximumreport only (lb/d)all year
Oil & Grease30-day average≤ 12.9 mg/Lall year
Oil & Greasedaily maximum≤ 25.8 mg/Lall year
Oil & Grease30-day average≤ 53 lb/dall year
Oil & Greasedaily maximum≤ 106 lb/dall year
Nitrogen, total [as N]30-day average≤ 134 mg/Lall year
Nitrogen, total [as N]daily maximum≤ 194 mg/Lall year
Nitrogen, total [as N]30-day average≤ 551 lb/dall year
Nitrogen, total [as N]daily maximum≤ 798 lb/dall year
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 8 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 16.4 lb/dall year
Nitrogen, ammonia total [as N]daily maximum≤ 32.9 lb/dall year
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (mg/L)all year
Nitrogen, Kjeldahl, total [as N]30-day averagereport only (lb/d)all year
Nitrogen, Kjeldahl, total [as N]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Phosphorus, total [as P]30-day averagereport only (mg/L)all year
Phosphorus, total [as P]daily maximumreport only (mg/L)all year
Phosphorus, total [as P]30-day averagereport only (lb/d)all year
Phosphorus, total [as P]daily maximumreport only (lb/d)all year
Chloride [as Cl]30-day average≤ 1231 mg/Lall year
Chloride [as Cl]daily maximum≤ 1231 mg/Lall year
Chloride [as Cl]30-day average≤ 6495 lb/dall year
Chloride [as Cl]daily maximum≤ 6495 lb/dall year
Chlorine, total residual30-day average≤ .058 mg/Lall year
Chlorine, total residualdaily maximum≤ .058 mg/Lall year
Chlorine, total residual30-day average≤ .311 lb/dall year
Chlorine, total residualdaily maximum≤ .311 lb/dall year
E. coligeometric mean≤ 129 #/100mLMar–Nov
Coliform, fecal generaldaily maximum≤ 400 #/100mLall year

New limits from May 1, 2031

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Oxygen demand, chem. [high level] [COD], daily maximum77.9 mg/Lnew——
Oxygen demand, chem. [high level] [COD], daily maximum508 lb/dnew——

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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