Clean Water Act discharge permit · NPDES AR0049352
USDA - HARRY K. DUPREE STUTTGART NATIONAL AQUACULTURE RESEARCH CENTER, Stuttgart, AR: NPDES AR0049352 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
USDA - HARRY K. DUPREE STUTTGART NATIONAL AQUACULTURE RESEARCH CENTER, held by USDA-ARS - HARRY K. DUPREE STUTTGART NATIONAL AQUACULTURE RESEARCH CENTER, holds NPDES permit AR0049352, which discharges to Ditch,Ltl Lagrue Bu, White River. EPA’s file records it issued June 6, 2016 and expiring June 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 | USDA - HARRY K. DUPREE STUTTGART NATIONAL AQUACULTURE RESEARCH CENTER |
|---|---|
| Permittee as filed | USDA-ARS - HARRY K. DUPREE STUTTGART NATIONAL AQUACULTURE RESEARCH CENTER |
| NPDES ID | AR0049352 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | June 6, 2016 |
| Expiration date | June 30, 2021 |
| Address | Stuttgart, AR 72160 |
| Receiving water | DITCH,LTL LAGRUE BU, WHITE RIVER |
| Subwatershed | Wildcat Ditch-Little La Grue Bayou (HUC 080203030102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 8Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 6 | 6 | April 30, 2023 | 177% over the limit |
| Coliform, fecal general | 2 | 5 | 5 | September 30, 2021 | 99,999% over the limit |
| Oil & Grease | 4 | 2 | 2 | March 31, 2020 | 191% over the limit |
| pH | 2 | 2 | 1 | June 30, 2001 | |
| Oxygen demand, chem. [low level] [COD] | 0 | 1 | 1 | September 30, 2001 | 6% over the limit |
| Nitrogen, ammonia total [as N] | 12 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 3 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 4 | 0 | 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 AR0049352.
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 AR0049352 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.