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Hamburg, City of

Sewage treatment plant, Hamburg, Arkansas. NPDES permit AR0034029, in force until Oct 31, 2027. Last 12 months: over a limit 4 times (last April 2026), 54 required values missing, 9 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (18 values)
Renewal application due
May 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
4 values over a limit, 0 required values missing, 4 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025pH, maximum9.1 SU≤ 9 SU—
March 2026Oxygen, dissolved [DO], instantaneous minimum2.78 mg/L≥ 5 mg/L44%
April 2026Oxygen, dissolved [DO], instantaneous minimum4.6 mg/L≥ 5 mg/L8%
April 2026Oxygen, dissolved [DO], instantaneous minimum4.6 mg/L≥ 5 mg/L8%

Limits in force (32)

ParameterStatisticLimitMonths
Stream flow, instantaneousmonthly averagereport only (MGD)all year
Stream flow, instantaneousdaily maximumreport only (MGD)all year
Oxygen, dissolved [DO]instantaneous minimum≥ 99999999 mg/LMay–Oct
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 0 mg/LMay–Oct
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 0 mg/LMay–Oct
pHminimum≥ 99999999 SUMay–Oct
pHminimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec
pHmaximum≤ 0 SUMay–Oct
pHmaximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 90 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 0 mg/LMay–Oct
Solids, total suspended7-day average≤ 135 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 0 mg/LMay–Oct
Discharge flow as % of stream flow7-day average≤ 0 %May–Oct
Discharge flow as % of stream flow7-day average≤ 36 %Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly average≤ 0 MGDMay–Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantdaily maximum≤ 0 MGDMay–Oct
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)Jan, Feb, Mar, Apr, Nov, Dec
Chlorine, total residualinstantaneous maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Chlorine, total residualinstantaneous maximum≤ 0 mg/LMay–Oct
E. coli7-day average≤ 2050 #/100mLJan, Feb, Mar, Apr, Nov, Dec
E. coli7-day average≤ 0 #/100mLMay–Oct
Coliform, fecal general30-day geometric mean≤ 0 #/100mLMay–Oct
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal general7-day geometric mean≤ 0 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Overflowsmonthly totalreport only (occur/mo)all year
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (gal)all year

How strict are these limits?

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

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0034029 · MCP: https://passage-data.com/mcp