Clean Water Act discharge permit · NPDES ARG640096

USFDA NATIONAL CENTER FOR TOXICOLOGICAL RESEARCH, Jefferson, AR: NPDES ARG640096 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
5Pollutants with an effluent exceedance

USFDA NATIONAL CENTER FOR TOXICOLOGICAL RESEARCH, held by USFDA NATIONAL CENTER FOR TOXICOLOGICAL RESEARCH, holds NPDES permit ARG640096, which discharges to Eastwood Bu, Arkansas R. EPA’s file records it issued June 3, 2016 and expiring November 30, 2021. 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 filed	USFDA NATIONAL CENTER FOR TOXICOLOGICAL RESEARCH
Permittee as filed	USFDA NATIONAL CENTER FOR TOXICOLOGICAL RESEARCH
NPDES ID	ARG640096
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Federal facility
Issued	June 3, 2016
Expiration date	November 30, 2021
Address	Jefferson, AR 72079
Receiving water	EASTWOOD BU, ARKANSAS R
Subwatershed	Eastwood Bayou-Arkansas River (HUC 111102070603)
Other EPA IDs (FRS)	RCRA handler AR3750030956; ICIS-AIR source AR0000000506900118

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

6Pollutants on file
6Under a numeric limit
6With a violation of any kind
5With 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	14	8	June 30, 2025
Solids, total suspended	4	9	3	September 30, 2018	691% over the limit
Iron, dissolved [as Fe]	4	5	3	December 31, 2015	70% over the limit
Manganese, dissolved [as Mn]	4	6	2	June 30, 2017	30% over the limit
Chlorine, total residual	2	5	2	March 31, 2017	718% over the limit
Flow, in conduit or thru treatment plant	2	10	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 ARG640096.

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, ARG640096.

Start the watch

How we handle your data → Privacy

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 ARG640096 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit ARG640096, held by USFDA NATIONAL CENTER FOR TOXICOLOGICAL RESEARCH in Jefferson, AR, which discharges to Eastwood Bu, Arkansas R. The permit is listed as administratively continued, with 6 as its discharger class and 5 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.