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Van Buren, City of-Main Plant

Sewage treatment plant, major discharger, Van Buren, Arkansas. NPDES permit AR0021482 expired Nov 30, 2025; its limits still apply. Last 12 months: over a limit 10 times (last July 2026), 1 of 15 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form B monthly (18 values), outfall TX1 form Q quarterly (12 values), outfall 001 form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 3 required values missing, 1 of 17 reports late

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

Period endingParameterReportedLimitOver by
April 2026BOD, 5-day, 20 deg. C, 7-day average106.66 mg/L≤ 45 mg/L137%
April 2026BOD, 5-day, 20 deg. C, monthly average44.46 mg/L≤ 30 mg/L48%
June 2026Coliform, fecal general, 30-day geometric mean229 #/100mL≤ 200 #/100mL15%
June 2026Coliform, fecal general, 7-day geometric mean717 #/100mL≤ 400 #/100mL79%
June 2026Nitrogen, ammonia total [as N], 7-day average10.17 mg/L≤ 7.5 mg/L36%
July 2026Coliform, fecal general, 30-day geometric mean270 #/100mL≤ 200 #/100mL35%
July 2026Coliform, fecal general, 7-day geometric mean871 #/100mL≤ 400 #/100mL118%
July 2026Nitrogen, ammonia total [as N], 7-day average26 mg/L≤ 7.5 mg/L247%
July 2026Nitrogen, ammonia total [as N], monthly average18.61 mg/L≤ 5 mg/L272%
July 2026Nitrogen, ammonia total [as N], monthly average296 lb/d≤ 166.8 lb/d77%

Limits in force (41)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 2 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec001
BOD, 5-day, 20 deg. Cmonthly average≤ 1000.8 lb/dJan, Feb, Mar, Apr, Nov, Dec001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 1000.8 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]7-day average≤ 7.5 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 166.8 lb/dMay–Oct001
Nitrite + Nitrate total [as N]monthly geometric meanreport only (mg/L)all year001
Nitrite + Nitrate total [as N]7-day averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]7-day averagereport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Coliform, fecal general30-day geometric mean≤ 200 #/100mLMay–Sep001
Coliform, fecal general30-day geometric mean≤ 1000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Coliform, fecal general7-day geometric mean≤ 400 #/100mLMay–Sep001
Coliform, fecal general7-day geometric mean≤ 2000 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
Overflowsmonthly totalreport only (occur/mo)all year001
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (gal)all year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 40 mg/LMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 834 lb/dMay–Oct001
Whole effluent toxicity - retest #148-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #248-hour minimumreport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #148-hour minimumreport only (pass=0;fail=1)all yearTX1
WET, sublethal retest #248-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity - Retest #348-hour minimumreport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity, Sub-Lethal Retest #348-hour minimumreport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48-hour minimumreport only (pass=0;fail=1)all yearTX1
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (pass=0;fail=1)all yearTX1
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48-hour minimumreport only (%)all yearTX1
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48-hour minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute D. pulex48-hour minimumreport only (%)all yearTX1
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48-hour minimumreport only (%)all yearTX1

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/AR0021482 · MCP: https://passage-data.com/mcp