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Sedgwick, City of

Sewage treatment plant, Sedgwick, Arkansas. NPDES permit AR0043443 expired May 31, 2026; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (4 values), form F quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
3 values over a limit, 11 required values missing, 0 of 16 reports late

Limits in force (28)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Oxygen, dissolved [DO]instantaneous minimum≥ 99999999 mg/LMay–Oct
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
BOD, 5-day, 20 deg. Cmonthly average≤ 6.3 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 0 lb/dMay–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≤ 0 mg/LMay–Oct
Solids, total suspendedmonthly average≤ 90 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspended7-day average≤ 0 mg/LMay–Oct
Solids, total suspended7-day average≤ 135 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 0 lb/dMay–Oct
Solids, total suspendedmonthly average≤ 18.8 lb/dJan, 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
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal general30-day geometric mean≤ 0 #/100mLMay–Oct
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Nov, Dec
Coliform, fecal general7-day geometric mean≤ 0 #/100mLMay–Oct
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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/AR0043443 · MCP: https://passage-data.com/mcp