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Donaldson, Town of

Sewage treatment plant, Donaldson, Arkansas. NPDES permit AR0048020, in force until Nov 30, 2028. Last 12 months: over a limit 18 times (last July 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (15 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
8 values over a limit, 0 required values missing, 2 of 12 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, 7-day average47.2 mg/L≤ 45 mg/L5%
November 2025BOD, 5-day, 20 deg. C, monthly average35.1 mg/L≤ 30 mg/L17%
November 2025BOD, 5-day, 20 deg. C, monthly average38.53 lb/d≤ 25.8 lb/d49%
November 2025Solids, total suspended, monthly average38.75 mg/L≤ 30 mg/L29%
November 2025Solids, total suspended, monthly average42.7 lb/d≤ 25.8 lb/d66%
January 2026Solids, total suspended, monthly average30.03 lb/d≤ 25.8 lb/d16%
January 2026Solids, total suspended, monthly average32.9 mg/L≤ 30 mg/L10%
March 2026BOD, 5-day, 20 deg. C, monthly average32.53 lb/d≤ 25.8 lb/d26%
March 2026Solids, total suspended, 7-day average51.5 mg/L≤ 45 mg/L14%
March 2026Solids, total suspended, monthly average42 mg/L≤ 30 mg/L40%
March 2026Solids, total suspended, monthly average73.5 lb/d≤ 25.8 lb/d185%
July 2026BOD, 5-day, 20 deg. C, monthly average34.45 mg/L≤ 30 mg/L15%
July 2026BOD, 5-day, 20 deg. C, monthly average41.92 lb/d≤ 25.8 lb/d62%
July 2026Coliform, fecal general, 30-day geometric mean334 #/100mL≤ 200 #/100mL67%
July 2026Coliform, fecal general, 7-day geometric mean1300 #/100mL≤ 400 #/100mL225%
July 2026Solids, total suspended, 7-day average93 mg/L≤ 45 mg/L107%
July 2026Solids, total suspended, monthly average77.25 mg/L≤ 30 mg/L158%
July 2026Solids, total suspended, monthly average93.7 lb/d≤ 25.8 lb/d263%

Limits in force (17)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous 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≤ 25.8 lb/dall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspended7-day average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 25.8 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
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

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/AR0048020 · MCP: https://passage-data.com/mcp