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City of Remsen

Sewage treatment plant, Remsen, Iowa. NPDES permit IA0036030, in force until Feb 28, 2031. Last 12 months: no values over a limit, 4 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (30 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 12 reports late

Limits in force (74)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily minimum≥ 5 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≥ 6.5 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≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspended30-day average≤ 111 lb/dall year
Solids, total suspended7-day average≤ 167 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≤ 1 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 2.5 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 8.6 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 12.3 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 7.8 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 13.4 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 11.1 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 9 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 3.7 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 4.8 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 3.5 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 8.6 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 5.8 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 6.4 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 14.6 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 5.6 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 9.2 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 12.6 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 3.9 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 12.6 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 30.4 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 43.3 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 27.4 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 53.5 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 47 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 44.9 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 58.1 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 41.1 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 53.5 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 53.5 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 31.5 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 58.1 lb/dJan
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≤ 1439 lb/dall year
Chloride [as Cl]daily maximum≤ 2329 lb/dall year
E. coligeometric mean≤ 630 #/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≤ 93 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 148 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/IA0036030 · MCP: https://passage-data.com/mcp