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Iowa Lakes Regional Water

Sewage treatment plant, Archer, Iowa. NPDES permit IA0082422 expired Oct 31, 2026. 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 (24 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (68)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 1 mg/Lall 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
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 3.5 lb/dall year
Solids, total suspended7-day average≤ 5.3 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
Nitrogen, ammonia total [as N]30-day average≤ 5.9 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 4.7 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 6.5 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 2.8 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 2.2 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 3.5 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.8 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 4.1 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 3.5 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 12.8 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 7.6 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 9.1 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 15.1 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 7.6 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 7.6 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 9.1 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 6.4 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 9.1 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 7.6 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 7.6 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 10.8 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ .7 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ .2 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ .5 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ .8 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ .3 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ .3 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ .3 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ .2 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ .4 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ .2 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ .5 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ .4 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 1.5 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ .9 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 1.1 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 1.8 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ .9 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ .9 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 1.1 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ .8 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 1.1 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ .9 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ .9 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 1.3 lb/dMar
E. coligeometric mean≤ 601 #/100mLMar–Nov
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]30-day average≤ 2.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 4.7 lb/dall year

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IA0082422 · MCP: https://passage-data.com/mcp