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Mcgehee, City of

Sewage treatment plant, Mcgehee, Arkansas. NPDES permit AR0022071 expired Nov 30, 2025; its limits still apply. Last 12 months: over a limit 21 times (last August 2026), 8 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (28 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 8 of 12 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
April 2026Coliform, fecal general, 7-day geometric mean> 2400 #/100mL≤ 2000 #/100mL—
April 2026Solids, total suspended, 7-day average340 mg/L≤ 135 mg/L152%
April 2026Solids, total suspended, monthly average253.3 mg/L≤ 90 mg/L181%
April 2026Solids, total suspended, monthly average633.8 lb/d≤ 450.4 lb/d41%
May 2026Solids, total suspended, 7-day average480 mg/L≤ 135 mg/L256%
May 2026Solids, total suspended, monthly average1017.5 lb/d≤ 450.4 lb/d126%
May 2026Solids, total suspended, monthly average406.7 mg/L≤ 90 mg/L352%
May 2026pH, maximum9.1 SU≤ 9 SU—
June 2026Coliform, fecal general, 30-day geometric mean438 #/100mL≤ 200 #/100mL119%
June 2026Coliform, fecal general, 7-day geometric mean1000 #/100mL≤ 400 #/100mL150%
June 2026Solids, total suspended, 7-day average170 mg/L≤ 135 mg/L26%
June 2026Solids, total suspended, monthly average119 mg/L≤ 90 mg/L32%
June 2026pH, maximum9.4 SU≤ 9 SU—
July 2026Coliform, fecal general, 30-day geometric mean1290.7 #/100mL≤ 200 #/100mL545%
July 2026Coliform, fecal general, 7-day geometric mean1700 #/100mL≤ 400 #/100mL325%
July 2026Oxygen, dissolved [DO], instantaneous minimum4.04 mg/L≥ 5 mg/L19%
July 2026Solids, total suspended, monthly average105 mg/L≤ 90 mg/L17%
August 2026Coliform, fecal general, 30-day geometric mean2000 #/100mL≤ 200 #/100mL900%
August 2026Coliform, fecal general, 7-day geometric mean2000 #/100mL≤ 400 #/100mL400%
August 2026Solids, total suspended, monthly average100 mg/L≤ 90 mg/L11%
August 2026pH, maximum9.5 SU≤ 9 SU—

Limits in force (33)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 150.1 lb/dJan, Feb, Mar, Apr, Nov, Dec
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 90 mg/Lall year
Solids, total suspended7-day average≤ 135 mg/Lall year
Solids, total suspendedmonthly average≤ 450.4 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 6 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 9 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 30 lb/dMay–Oct
Chloride [as Cl]monthly averagereport only (mg/L)all year
Chloride [as Cl]7-day averagereport only (mg/L)all year
Chloride [as Cl]monthly average≤ 265.4 lb/dall year
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year
Sulfate, total [as SO4]7-day averagereport only (mg/L)all year
Sulfate, total [as SO4]monthly average≤ 205.3 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
Chlorine, total residualinstantaneous maximumreport only (mg/L)all year
Solids, total dissolvedmonthly averagereport only (mg/L)all year
Solids, total dissolved7-day averagereport only (mg/L)all year
Solids, total dissolvedmonthly average≤ 1622.5 lb/dall year
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Sep
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Sep
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec
Overflowsmonthly totalreport only (occur/mo)all year
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (gal)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]7-day average≤ 38 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 125.1 lb/dMay–Oct

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/AR0022071 · MCP: https://passage-data.com/mcp