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City of Woodward

Sewage treatment plant, Woodward, Iowa. NPDES permit IA0057517, in force until Oct 31, 2030. 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 (28 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
6 values over a limit, 19 required values missing, 0 of 13 reports late

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

Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], 30-day average4.82356≤ 2.5 mg/L93%
December 2025Nitrogen, ammonia total [as N], daily maximum8.5575≤ 6.9 mg/L24%
April 2026BOD, carbonaceous [5 day, 20 C], 30-day average7031.574≤ 144 lb/d4783%
April 2026BOD, carbonaceous [5 day, 20 C], 7-day average34777.8≤ 231 lb/d14955%
April 2026Solids, total suspended, 30-day average13963.59≤ 173 lb/d7971%
April 2026Solids, total suspended, 7-day average69555.6≤ 260 lb/d26652%
July 2026BOD, carbonaceous [5 day, 20 C], 30-day average30.6≤ 25 mg/L22%
July 2026BOD, carbonaceous [5 day, 20 C], 7-day average45≤ 40 mg/L13%

Limits in force (72)

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≤ 173 lb/dall year
Solids, total suspended7-day average≤ 260 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/LAug
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 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 1.7 mg/LMay
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≤ 3.4 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 2.3 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 1.6 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1.5 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 3.4 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 5.7 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 8.4 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 6.9 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 5.5 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 14.3 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 22.8 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 5.8 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 10 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 7.6 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 6.1 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 19.7 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 13.4 lb/dNov
Nitrogen, ammonia total [as N]30-day average≤ 9 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 8.8 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 19.7 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 40.1 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 40.1 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 48.5 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 40.1 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 48.5 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 40.1 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 48.5 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 48.5 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 33.1 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 40.1 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 48.5 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 40.1 lb/dJan
Nitrogen, nitrate total [as N]30-day average≤ 135 lb/dall year
Nitrogen, nitrate total [as N]daily maximum≤ 221 lb/dall year
E. coli30-day average≤ 126 #/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≤ 144 lb/dall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 231 lb/dall year

New limits from Oct 1, 2030

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chloride [as Cl], 30-day average389 mg/Lnew——
Chloride [as Cl], 30-day average2243 lb/dnew——
Chloride [as Cl], daily maximum629 mg/Lnew——
Chloride [as Cl], daily maximum3629 lb/dnew——

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/IA0057517 · MCP: https://passage-data.com/mcp