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Redfield, City of

Sewage treatment plant, Redfield, Arkansas. NPDES permit AR0039357, in force until Jun 30, 2031. Last 12 months: over a limit once (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (15 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
August 2026Solids, total suspended, monthly average47.5 mg/L≤ 45 mg/L6%

Limits in force (17)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]monthly average minimum≥ 2 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 45 mg/Lall year
Solids, total suspended7-day average≤ 65 mg/Lall year
Solids, total suspendedmonthly average≤ 45 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
E. coli30-day geometric mean≤ 126 #/100mLApr–Oct
E. coli30-day geometric mean≤ 630 #/100mLJan, Feb, Mar, Nov, Dec
E. coli7-day geometric mean≤ 410 #/100mLApr–Oct
E. coli7-day geometric mean≤ 2050 #/100mLJan, Feb, Mar, 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/AR0039357 · MCP: https://passage-data.com/mcp