U.S. Army-Pine Bluff Arsenal

NPDES permit AR0001678 · Major FEDERAL · effective, expires 2028-01-31 · EPA's file as of 2026-09-19

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EPA's record, 2025-09-01 to 2026-08-31

3values over a limit
0required values missing, on 0 form(s)
0of 68 forms filed late

Last period with anything received: 2026-07-31. Most often over: Mercury, total recoverable (2), Coliform, fecal general (1).

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among AR permits in EPA's filings — check your permit).

Limits in force (147)

OutfallParameterStatisticLimitMonths
008pHMINIMUM >= 6 SU all year
008pHMAXIMUM <= 9 SU all year
008Solids, total suspendedDAILY MX <= 50 mg/L all year
008Carbon, tot organic [TOC]DAILY MX <= 100 mg/L all year
008Flow, in conduit or thru treatment plantMO AVG report only all year
008Flow, in conduit or thru treatment plantDAILY MX report only all year
010Oxygen, dissolved [DO]MO AV MN >= 2 mg/L all year
010BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
010BOD, 5-day, 20 deg. CDAILY MX <= 45 mg/L all year
010BOD, 5-day, 20 deg. CMO AVG <= 360.3 lb/d all year
010BOD, 5-day, 20 deg. CDAILY MX <= 540.4 lb/d all year
010pHMINIMUM >= 6 SU all year
010pHMAXIMUM <= 9 SU all year
010Solids, total suspendedMO AVG <= 90 mg/L all year
010Solids, total suspendedDAILY MX <= 135 mg/L all year
010Solids, total suspendedMO AVG <= 1080.8 lb/d all year
010Solids, total suspendedDAILY MX <= 1621.3 lb/d all year
010Flow, in conduit or thru treatment plantMO AVG report only all year
010Flow, in conduit or thru treatment plantDAILY MX report only all year
010Coliform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep
010Coliform, fecal general30DA GEO <= 1000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
010Coliform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep
010Coliform, fecal general7 DA GEO <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
012Oxygen, dissolved [DO]MO AV MN >= 2 mg/L all year
012BOD, 5-day, 20 deg. CMO AVG report only all year
012BOD, 5-day, 20 deg. CDAILY MX report only all year
012BOD, 5-day, 20 deg. CMO AVG <= 439.5 lb/d all year
012BOD, 5-day, 20 deg. CDAILY MX <= 668.7 lb/d all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012Solids, total suspendedMO AVG report only all year
012Solids, total suspendedDAILY MX report only all year
012Solids, total suspendedMO AVG <= 1083.3 lb/d all year
012Solids, total suspendedDAILY MX <= 1628.8 lb/d all year
012Oil & GreaseMO AVG <= 10 mg/L all year
012Oil & GreaseDAILY MX <= 15 mg/L all year
012Oil & GreaseMO AVG <= 121.3 lb/d all year
012Oil & GreaseDAILY MX <= 184 lb/d all year
012Flow, in conduit or thru treatment plantMO AVG report only all year
012Flow, in conduit or thru treatment plantDAILY MX report only all year
012Perchlorate [ClO4]MO AVG report only all year
012Perchlorate [ClO4]DAILY MX report only all year
012Coliform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep
012Coliform, fecal general30DA GEO <= 1000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
012Coliform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep
012Coliform, fecal general7 DA GEO <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
01CBOD, 5-day, 20 deg. CMO AVG report only all year
01CBOD, 5-day, 20 deg. CDAILY MX report only all year
01CpHMINIMUM >= 6 SU all year
01CpHMAXIMUM <= 9 SU all year
01CSolids, total suspendedMO AVG report only all year
01CSolids, total suspendedDAILY MX report only all year
01CCarbon, tot organic [TOC]MO AVG report only all year
01CCarbon, tot organic [TOC]DAILY MX report only all year
01CArsenic, total recoverableMO AVG report only all year
01CArsenic, total recoverableDAILY MX report only all year
01CBenzeneMO AVG report only all year
01CBenzeneDAILY MX report only all year
01CChlorobenzeneMO AVG report only all year
01CChlorobenzeneDAILY MX report only all year
01CEthylbenzeneMO AVG report only all year
01CEthylbenzeneDAILY MX report only all year
01C1,2-DichlorobenzeneMO AVG report only all year
01C1,2-DichlorobenzeneDAILY MX report only all year
01C1,2,4-TrichlorobenzeneMO AVG report only all year
01C1,2,4-TrichlorobenzeneDAILY MX report only all year
01C1,4-DichlorobenzeneMO AVG report only all year
01C1,4-DichlorobenzeneDAILY MX report only all year
01C4,4'-DDTMO AVG report only all year
01C4,4'-DDTDAILY MX report only all year
01C4,4'-DDDMO AVG report only all year
01C4,4'-DDDDAILY MX report only all year
01C4,4'-DDEMO AVG report only all year
01C4,4'-DDEDAILY MX report only all year
01CFlow, in conduit or thru treatment plantMO AVG report only all year
01CFlow, in conduit or thru treatment plantDAILY MX report only all year
01CMercury, total recoverableMO AVG <= .0134 ug/L all year
01CMercury, total recoverableDAILY MX <= .0269 ug/L all year
PC2BenzeneMO AVG report only all year
PC2BenzeneDAILY MX report only all year
PC2ChlorobenzeneMO AVG report only all year
PC2ChlorobenzeneDAILY MX report only all year
PC2EthylbenzeneMO AVG report only all year
PC2EthylbenzeneDAILY MX report only all year
PC21,2-DichlorobenzeneMO AVG report only all year
PC21,2-DichlorobenzeneDAILY MX report only all year
PC21,2,4-TrichlorobenzeneMO AVG report only all year
PC21,2,4-TrichlorobenzeneDAILY MX report only all year
PC21,4-DichlorobenzeneMO AVG report only all year
PC21,4-DichlorobenzeneDAILY MX report only all year
PC24,4'-DDTMO AVG report only all year
PC24,4'-DDTDAILY MX report only all year
PC24,4'-DDDMO AVG report only all year
PC24,4'-DDDDAILY MX report only all year
PC24,4'-DDEMO AVG report only all year
PC24,4'-DDEDAILY MX report only all year
TX10Whole effluent toxicity - retest #148HR MIN report only all year
TX10Whole effluent toxicity - retest #248HR MIN report only all year
TX10WET, sublethal retest #148HR MIN report only all year
TX10WET, sublethal retest #248HR MIN report only all year
TX10Whole Effluent Toxicity - Retest #348HR MIN report only all year
TX10Whole Effluent Toxicity, Sub-Lethal Retest #348HR MIN report only all year
TX10Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX10LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX10NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
TX10NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
TX10Coef Of Var Static Renewal 48Hr Acute D. pulex48HR MIN report only all year
TX10Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX12Whole effluent toxicity - retest #148HR MIN report only all year
TX12Whole effluent toxicity - retest #248HR MIN report only all year
TX12WET, sublethal retest #148HR MIN report only all year
TX12WET, sublethal retest #248HR MIN report only all year
TX12Whole Effluent Toxicity - Retest #348HR MIN report only all year
TX12Whole Effluent Toxicity, Sub-Lethal Retest #348HR MIN report only all year
TX12Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX12LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX12NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
TX12NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
TX12Coef Of Var Static Renewal 48Hr Acute D. pulex48HR MIN report only all year
TX12Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX8Whole effluent toxicity - retest #148HR MIN report only all year
TX8Whole effluent toxicity - retest #248HR MIN report only all year
TX8WET, sublethal retest #148HR MIN report only all year
TX8WET, sublethal retest #248HR MIN report only all year
TX8Whole Effluent Toxicity - Retest #348HR MIN report only all year
TX8Whole Effluent Toxicity, Sub-Lethal Retest #348HR MIN report only all year
TX8Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex48HR MIN report only all year
TX8LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TX8NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex48HR MIN report only all year
TX8NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas48HR MIN report only all year
TX8Coef Of Var Static Renewal 48Hr Acute D. pulex48HR MIN report only all year
TX8Coef Of Var Static Renewal 48Hr Acute Pimephales promelas48HR MIN report only all year
TXCWhole effluent toxicity - retest #17 DA MIN report only all year
TXCWhole effluent toxicity - retest #27 DA MIN report only all year
TXCWhole Effluent Toxicity - Retest #37 DA MIN report only all year
TXCWhole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 100 % all year
TXCWhole Effluent Toxicity [WET] - P. promelas7 DA MIN >= 80 % all year
TXCPass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXCPass/Fail Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year
TXCLow Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXCLow Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TXCNOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXCNOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TXCNOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXCNOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas7 DA MIN report only all year
TXCCoef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia7 DA MIN report only all year
TXCCoef Of Var Static Renewal 7Day Chronic Pimephales promelas7 DA MIN report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states