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Clinton, City of-East WWTF

Sewage treatment plant, major discharger, Clinton, Arkansas. NPDES permit AR0048836 expired Jun 30, 2024; 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 A monthly (25 values), outfall TX1 form Q quarterly (17 values), outfall 001 form Y yearly
Last report on file
August 2026
Oct 2024 – Sep 2025
9 values over a limit, 0 required values missing, 1 of 17 reports late

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

Period endingParameterReportedLimitOver by
October 2025pH, minimum4.8 SU≥ 6 SU—
January 2026Nitrogen, ammonia total [as N], 7-day average14.7 mg/L≤ 9.5 mg/L55%
January 2026Nitrogen, ammonia total [as N], monthly average11.3 mg/L≤ 6.3 mg/L79%
February 2026Nitrogen, ammonia total [as N], monthly average8.9 mg/L≤ 6.3 mg/L41%
April 2026pH, maximum10.1 SU≤ 9 SU—
May 2026Nitrogen, ammonia total [as N], 7-day average≤ 7.1 mg/L≤ 3.2 mg/L122%
May 2026Nitrogen, ammonia total [as N], monthly average≤ 3.1 mg/L≤ 2.1 mg/L48%
June 2026pH, maximum9.5 SU≤ 9 SU—
July 2026Coliform, fecal general, 7-day geometric mean1332 #/100mL≤ 400 #/100mL233%
July 2026E. coli, 7-day average1587 #/100mL≤ 410 #/100mL287%

Limits in force (67)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]instantaneous minimum≥ 7 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 20 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 15 mg/LMay–Oct001
Solids, total suspended7-day average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspended7-day average≤ 22.5 mg/LMay–Oct001
Solids, total suspendedmonthly average≤ 200.2 lb/dJan, Feb, Mar, Apr, Nov, Dec001
Solids, total suspendedmonthly average≤ 150.1 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 6.3 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 2.1 mg/LMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 2.1 mg/LApr001
Nitrogen, ammonia total [as N]7-day average≤ 9.5 mg/LJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]7-day average≤ 3.2 mg/LMay–Oct001
Nitrogen, ammonia total [as N]7-day average≤ 5.3 mg/LApr001
Nitrogen, ammonia total [as N]monthly average≤ 63.1 lb/dJan, Feb, Mar, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 21 lb/dMay–Oct001
Nitrogen, ammonia total [as N]monthly average≤ 21 lb/dApr001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]7-day averagereport only (mg/L)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
Cadmium, total recoverablemonthly average≤ 2.01 ug/Lall year001
Cadmium, total recoverable7-day average≤ 4.02 ug/Lall year001
Cadmium, total recoverablemonthly average≤ .02 lb/dall 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
E. colimonthly averagereport only (#/100mL)Jan, Feb, Mar, Apr, Oct, Nov, Dec001
E. colimonthly averagereport only (#/100mL)May–Sep001
E. coli7-day average≤ 2050 #/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
E. coli7-day average≤ 410 #/100mLMay–Sep001
E. colimonthly average≤ 18600 MCFU/dMay–Sep001
E. colimonthly average≤ 93100 MCFU/dJan, Feb, Mar, Apr, Oct, Nov, Dec001
Mercury, total recoverablemonthly averagereport only (ug/L)all year001
Mercury, total recoverable7-day averagereport only (ug/L)all year001
Mercury, total recoverablemonthly averagereport only (lb/d)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
Coliform, fecal generalmonthly average≤ 18200 MCFUMay–Sep001
Coliform, fecal generalmonthly average≤ 90900 MCFUJan, 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≤ 10 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 15 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]7-day average≤ 30 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 100.1 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 200.2 lb/dJan, Feb, Mar, Apr, Dec001
Whole effluent toxicity - retest #17-day averagereport only (pass=0;fail=1)all yearTX1
Whole effluent toxicity - retest #27-day averagereport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity - Retest #37-day averagereport only (pass=0;fail=1)all yearTX1
Whole Effluent Toxicity [WET] - P. promelasdaily average minimum≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - P. promelas7-day minimum≥ 100 %all yearTX1
Whole Effluent Toxicity [WET] - P. promelasdaily average minimum≥ 80 %all yearTX1
Whole Effluent Toxicity [WET] - P. promelas7-day minimum≥ 80 %all yearTX1
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day averagereport only (pass=0;fail=1)all yearTX1
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas7-day averagereport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day averagereport only (pass=0;fail=1)all yearTX1
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7-day averagereport only (pass=0;fail=1)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day averagereport only (%)all yearTX1
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day averagereport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7-day averagereport only (%)all yearTX1
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7-day averagereport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7-day averagereport only (%)all yearTX1
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas7-day averagereport 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/AR0048836 · MCP: https://passage-data.com/mcp