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City of Asbury

Sewage treatment plant, Asbury, Iowa. NPDES permit IA0069922, in force until Oct 31, 2029. Last 12 months: no values over a limit, 3 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (26 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 0 of 12 reports late

Limits in force (71)

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≤ 201 lb/dall year
Solids, total suspended7-day average≤ 301 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≤ 2.7 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 2.7 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 2.7 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 6.8 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 5 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 4.6 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 4.3 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 4.3 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 4.3 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 5.3 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 4.3 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 4.1 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 5.8 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 5 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 16.9 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 6.7 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 11.6 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 10.2 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 10.4 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 16.9 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 15.5 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 8.8 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 7.1 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 14.4 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 16.9 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 6.4 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 42.9 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 30.9 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 29.2 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 26.4 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 26.4 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 36.4 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 26.4 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 32.1 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 26.4 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 25.5 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 36.4 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 30.9 lb/dAug
E. coligeometric mean≤ 1075 #/100mLJan, Feb, Dec
E. coligeometric mean≤ 278 #/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≤ 167 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 268 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/IA0069922 · MCP: https://passage-data.com/mcp