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Booneville, City of

Sewage treatment plant, Booneville, Arkansas. NPDES permit AR0021571, in force until Mar 31, 2029. Last 12 months: over a limit 16 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: form A monthly (19 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
19 values over a limit, 0 required values missing, 1 of 12 reports late

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

All 16 values over a limit
Period endingParameterReportedLimitOver by
October 2025BOD, carbonaceous [5 day, 20 C], 7-day average27 mg/L≤ 15 mg/L80%
October 2025BOD, carbonaceous [5 day, 20 C], monthly average14.33 mg/L≤ 10 mg/L43%
October 2025Nitrogen, ammonia total [as N], 7-day average12 mg/L≤ 5.6 mg/L114%
October 2025Nitrogen, ammonia total [as N], monthly average11.33 mg/L≤ 4 mg/L183%
October 2025Solids, total suspended, 7-day average23 mg/L≤ 22.5 mg/L2%
October 2025Solids, total suspended, monthly average16.67 mg/L≤ 15 mg/L11%
November 2025Nitrogen, ammonia total [as N], monthly average7.59 mg/L≤ 7 mg/L8%
August 2026BOD, carbonaceous [5 day, 20 C], 7-day average43 mg/L≤ 15 mg/L187%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average26 mg/L≤ 10 mg/L160%
August 2026Oxygen, dissolved [DO], instantaneous minimum4.2 mg/L≥ 5 mg/L16%
August 2026Solids, total suspended, 7-day average25 mg/L≤ 22.5 mg/L11%
August 2026Solids, total suspended, monthly average15.33 mg/L≤ 15 mg/L2%
September 2026BOD, carbonaceous [5 day, 20 C], 7-day average34 mg/L≤ 15 mg/L127%
September 2026BOD, carbonaceous [5 day, 20 C], monthly average16 mg/L≤ 10 mg/L60%
September 2026Nitrogen, ammonia total [as N], 7-day average11.06 mg/L≤ 5.6 mg/L98%
September 2026Nitrogen, ammonia total [as N], monthly average6.01 mg/L≤ 4 mg/L50%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]instantaneous minimum≥ 5 mg/Lall year
pHminimum≥ 6 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 15 mg/Lall year
Solids, total suspended7-day average≤ 22.5 mg/Lall year
Solids, total suspendedmonthly average≤ 122.6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 4 mg/LMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5.6 mg/LApr
Nitrogen, ammonia total [as N]7-day average≤ 5.6 mg/LMay–Oct
Nitrogen, ammonia total [as N]7-day average≤ 10.5 mg/LJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]7-day average≤ 5.6 mg/LApr
Nitrogen, ammonia total [as N]monthly average≤ 32.7 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 57.2 lb/dJan, Feb, Mar, Nov, Dec
Nitrogen, ammonia total [as N]monthly average≤ 45.8 lb/dApr
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
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLall year
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLall year
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≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]7-day average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 81.7 lb/dall year

New limits from Apr 1, 2027

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Chlorine, total residual, instantaneous maximum0.011 mg/Lnew0.01 mg/L (12 values)0.909×

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/AR0021571 · MCP: https://passage-data.com/mcp