Clean Water Act discharge permit · NPDES AR0047937

CENTRAL ARKANSAS WATER-JACK H. WILSON WATER TREATMENT PLANT, Little Rock, AR: NPDES AR0047937 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
3Pollutants with an effluent exceedance

CENTRAL ARKANSAS WATER-JACK H. WILSON WATER TREATMENT PLANT, held by CENTRAL ARKANSAS WATER JACK H. WILSON WATER TREATMENT PLANT, holds NPDES permit AR0047937, which discharges to Trib,Grassy Flat Cr,Rock Cr,Fourche Cr,Arkansas Rv. EPA’s file records it issued March 2, 2017 and expiring March 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	CENTRAL ARKANSAS WATER-JACK H. WILSON WATER TREATMENT PLANT
Permittee as filed	CENTRAL ARKANSAS WATER JACK H. WILSON WATER TREATMENT PLANT
NPDES ID	AR0047937
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	March 2, 2017
Expiration date	March 31, 2022
Address	Little Rock, AR 72212
Receiving water	TRIB,GRASSY FLAT CR,ROCK CR,FOURCHE CR,ARKANSAS RV
Subwatershed	Coleman Creek-Maumelle River (HUC 111102070204)
NAICS	221310 – Water Supply and Irrigation Systems
SIC	4941 – Water Supply
Other EPA IDs (FRS)	RCRA handler ARR000007211

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

9Pollutants on file
7Under a numeric limit
9With a violation of any kind
3With an effluent exceedance

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 measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
pH	2	5	3	December 31, 2008
Chlorine, total residual	2	7	1	June 30, 2016	290% over the limit
Solids, total suspended	2	3	1	March 31, 2003	10% over the limit
Flow, in conduit or thru treatment plant	2	10	0
Oxygen demand, chem. [low level] [COD]	2	2	0
Oil & Grease	2	2	0
Aluminum, dissolved [as Al]	2	2	0
Iron, dissolved [as Fe]	0	2	0
Manganese, dissolved [as Mn]	0	2	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES AR0047937.

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.

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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 AR0047937 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES AR0047937, held by CENTRAL ARKANSAS WATER JACK H. WILSON WATER TREATMENT PLANT and listed as administratively continued, with a minor discharger class of 7. The page lists 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.