Passage Data · Check a report · Use it from your AI

City of Hazleton

Sewage treatment plant, Hazleton, Iowa. NPDES permit IA0044024, in force until May 31, 2028. Last 12 months: over a limit 4 times (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (10 values)
Renewal application due
Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 0 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
November 2025pH, daily maximum9.34≤ 9 SU—
April 2026pH, daily maximum9.24≤ 9 SU—
May 2026BOD, carbonaceous [5 day, 20 C], 7-day average29.6≤ 25 mg/L18%
May 2026pH, daily maximum10.55≤ 9 SU—

Limits in force (76)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.4 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspended30-day average≤ 80 mg/Lall year
Solids, total suspended7-day average≤ 120 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 6.6 mg/LJan
Nitrogen, ammonia total [as N]30-day average≤ 2.9 mg/LMay
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LJun
Nitrogen, ammonia total [as N]30-day average≤ 3.3 mg/LApr
Nitrogen, ammonia total [as N]30-day average≤ 1.1 mg/LJul
Nitrogen, ammonia total [as N]30-day average≤ 2 mg/LSep
Nitrogen, ammonia total [as N]30-day average≤ 2.2 mg/LOct
Nitrogen, ammonia total [as N]30-day average≤ 1 mg/LAug
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LDec
Nitrogen, ammonia total [as N]30-day average≤ 4 mg/LMar
Nitrogen, ammonia total [as N]30-day average≤ 7.3 mg/LFeb
Nitrogen, ammonia total [as N]30-day average≤ 2.7 mg/LNov
Nitrogen, ammonia total [as N]daily maximum≤ 8.8 mg/LJan
Nitrogen, ammonia total [as N]daily maximum≤ 3.3 mg/LMay
Nitrogen, ammonia total [as N]daily maximum≤ 2.2 mg/LJun
Nitrogen, ammonia total [as N]daily maximum≤ 4.8 mg/LApr
Nitrogen, ammonia total [as N]daily maximum≤ 1.1 mg/LJul
Nitrogen, ammonia total [as N]daily maximum≤ 2 mg/LSep
Nitrogen, ammonia total [as N]daily maximum≤ 2.2 mg/LOct
Nitrogen, ammonia total [as N]daily maximum≤ 1 mg/LAug
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LDec
Nitrogen, ammonia total [as N]daily maximum≤ 4 mg/LMar
Nitrogen, ammonia total [as N]daily maximum≤ 7.3 mg/LFeb
Nitrogen, ammonia total [as N]daily maximum≤ 2.7 mg/LNov
Nitrogen, ammonia total [as N]30-day average≤ 93.9 lb/dJan
Nitrogen, ammonia total [as N]30-day average≤ 40.7 lb/dMay
Nitrogen, ammonia total [as N]30-day average≤ 28.4 lb/dJun
Nitrogen, ammonia total [as N]30-day average≤ 47.3 lb/dApr
Nitrogen, ammonia total [as N]30-day average≤ 15.6 lb/dJul
Nitrogen, ammonia total [as N]30-day average≤ 28.4 lb/dSep
Nitrogen, ammonia total [as N]30-day average≤ 31.2 lb/dOct
Nitrogen, ammonia total [as N]30-day average≤ 14.2 lb/dAug
Nitrogen, ammonia total [as N]30-day average≤ 56.4 lb/dDec
Nitrogen, ammonia total [as N]30-day average≤ 56.4 lb/dMar
Nitrogen, ammonia total [as N]30-day average≤ 103.5 lb/dFeb
Nitrogen, ammonia total [as N]30-day average≤ 38.7 lb/dNov
Nitrogen, ammonia total [as N]daily maximum≤ 124.8 lb/dJan
Nitrogen, ammonia total [as N]daily maximum≤ 46.5 lb/dMay
Nitrogen, ammonia total [as N]daily maximum≤ 31.2 lb/dJun
Nitrogen, ammonia total [as N]daily maximum≤ 67.9 lb/dApr
Nitrogen, ammonia total [as N]daily maximum≤ 15.6 lb/dJul
Nitrogen, ammonia total [as N]daily maximum≤ 28.4 lb/dSep
Nitrogen, ammonia total [as N]daily maximum≤ 31.2 lb/dOct
Nitrogen, ammonia total [as N]daily maximum≤ 14.2 lb/dAug
Nitrogen, ammonia total [as N]daily maximum≤ 56.4 lb/dDec
Nitrogen, ammonia total [as N]daily maximum≤ 56.7 lb/dMar
Nitrogen, ammonia total [as N]daily maximum≤ 103.5 lb/dFeb
Nitrogen, ammonia total [as N]daily maximum≤ 38.7 lb/dNov
BOD, carbonaceous [5 day, 20 C]30-day average≤ 10 mg/LAug
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LApr
BOD, carbonaceous [5 day, 20 C]30-day average≤ 10 mg/LSep
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LMar
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LOct
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LJan
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LMay
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LFeb
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LJun
BOD, carbonaceous [5 day, 20 C]30-day average≤ 10 mg/LJul
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LNov
BOD, carbonaceous [5 day, 20 C]30-day average≤ 25 mg/LDec
BOD, carbonaceous [5 day, 20 C]7-day average≤ 10 mg/LAug
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LApr
BOD, carbonaceous [5 day, 20 C]7-day average≤ 10 mg/LSep
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LMar
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LOct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LJan
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LMay
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LFeb
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LJun
BOD, carbonaceous [5 day, 20 C]7-day average≤ 10 mg/LJul
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LNov
BOD, carbonaceous [5 day, 20 C]7-day average≤ 25 mg/LDec

How strict are these limits?

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

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IA0044024 · MCP: https://passage-data.com/mcp