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Clean Water Act discharge permit · NPDES AR0021709

DIERKS, CITY OF - DIERKS WASTEWATER TREATMENT FACILITY, Dierks, AR: NPDES AR0021709 discharge permit, effluent exceedances, inspections, penalties

DIERKS, CITY OF - DIERKS WASTEWATER TREATMENT FACILITY, held by DIERKS, CITY OF, holds NPDES permit AR0021709, which discharges to Holly Cr,Saline River,Little River,Red River. EPA’s file records it issued November 2, 2017 and expiring November 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedDIERKS, CITY OF - DIERKS WASTEWATER TREATMENT FACILITY
Permittee as filedDIERKS, CITY OF
NPDES IDAR0021709
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedNovember 2, 2017
Expiration dateNovember 30, 2022
AddressDierks, AR 71833
Receiving waterHOLLY CR,SALINE RIVER,LITTLE RIVER,RED RIVER
Receiving water impaired303(D) Listed
SubwatershedHolly Creek (HUC 111401090801)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended6185169May 31, 2026509% over the limit
BOD, carbonaceous [5 day, 20 C]66752February 28, 2026620% over the limit
Nitrogen, ammonia total [as N]96651February 28, 2026173% over the limit
Coliform, fecal, colony forming units66135December 31, 202499,999% over the limit
Coliform, fecal general084September 30, 2009445% over the limit
pH2120
Flow, in conduit or thru treatment plant2100
Oxygen, dissolved [DO]150
Overflows140
Overflow volume [SS0 volume, CSO volume]140
Chlorine, total residual130

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES AR0021709.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AR0021709.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID AR0021709 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.