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Mulberry, City of

Sewage treatment plant, Mulberry, Arkansas. NPDES permit AR0034932, in force until Dec 31, 2028. Last 12 months: over a limit 12 times (last August 2026), 54 required values missing, 7 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (18 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 18 required values missing, 10 of 12 reports late

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

Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, monthly average451.62 lb/d≤ 225.2 lb/d101%
October 2025Solids, total suspended, monthly average451.62 lb/d≤ 225.2 lb/d101%
November 2025Solids, total suspended, monthly average120 mg/L≤ 90 mg/L33%
November 2025Solids, total suspended, monthly average120 mg/L≤ 90 mg/L33%
April 2026Solids, total suspended, 7-day average167 mg/L≤ 135 mg/L24%
April 2026Solids, total suspended, monthly average135 mg/L≤ 90 mg/L50%
May 2026Solids, total suspended, 7-day average192 mg/L≤ 135 mg/L42%
May 2026Solids, total suspended, monthly average189.5 mg/L≤ 90 mg/L111%
May 2026pH, maximum9.03 SU≤ 9 SU—
June 2026pH, maximum9.78 SU≤ 9 SU—
July 2026pH, maximum9.84 SU≤ 9 SU—
August 2026pH, maximum9.04 SU≤ 9 SU—

Limits in force (23)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year
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≤ 225.2 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 15 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 10.5 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 22.5 mg/LJan, Feb, Mar, Apr, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 17.5 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 37.5 lb/dJan, Feb, Mar, Apr, Nov, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all 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/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 38 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 62.6 lb/dall 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/AR0034932 · MCP: https://passage-data.com/mcp