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City of Roland

Sewage treatment plant, Roland, Iowa. NPDES permit IA0032425, in force until Dec 31, 2030. Last 12 months: over a limit 2 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (26 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 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 maximum9.64≤ 9 SU—
August 2026BOD, carbonaceous [5 day, 20 C], 7-day average218.508≤ 185 lb/d18%

Limits in force (70)

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≤ 139 lb/dall year
Solids, total suspended7-day average≤ 209 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≤ 1.1 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
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≤ 4 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.3 mg/LJun
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]daily maximum≤ 17 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 18.4 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 14.4 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 11.1 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 15.7 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 17 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 13.3 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 13.3 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 12.1 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 4.9 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 15.8 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 15.8 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 10.8 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 4.4 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 7.1 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 11.5 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 18.3 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 7.2 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 6.1 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 4.7 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 8.1 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 79 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 85.5 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 67 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 67 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 67.2 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 51.5 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 79 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 72.8 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 79 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 61.5 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 61.5 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 56.3 lb/dMay
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≤ 116 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 185 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/IA0032425 · MCP: https://passage-data.com/mcp