Clean Water Act discharge permit · NPDES AR0037451
ENTERGY ARKANSAS, LLC - INDEPENDENCE PLANT, Newark, AR: NPDES AR0037451 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 31Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
ENTERGY ARKANSAS, LLC - INDEPENDENCE PLANT, held by Entergy Arkansas, Inc.-Independence Plant, holds NPDES permit AR0037451, which discharges to White Rv. EPA’s file records it issued July 1, 2012 and expiring June 30, 2017. 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 | ENTERGY ARKANSAS, LLC - INDEPENDENCE PLANT |
|---|---|
| Permittee as filed | Entergy Arkansas, Inc.-Independence Plant |
| NPDES ID | AR0037451 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 1, 2012 |
| Expiration date | June 30, 2017 |
| Address | Newark, AR 72562 |
| Receiving water | WHITE RV |
| Subwatershed | Mud Creek-White River (HUC 110100040706) |
| NAICS | 221112 – Fossil Fuel Electric Power Generation |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler ARD096669015; ICIS-AIR source AR0000000506300042 |
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
- 32Pollutants on file
- 31Under a numeric limit
- 12With a violation of any kind
- 6With 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 | 10 | 10 | August 31, 2018 | 93% over the limit |
| E. coli | 4 | 9 | 7 | March 31, 2018 | 535% over the limit |
| Coliform, fecal general | 0 | 4 | 4 | October 31, 2006 | 2,650% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 4 | 2 | February 29, 2008 | 133% over the limit |
| Phosphorus, total [as P] | 2 | 2 | 2 | March 31, 2020 | 40% over the limit |
| pH | 4 | 1 | 1 | February 28, 2014 | |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 2 | 7 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 2 | 7 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 2 | 7 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 2 | 6 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 2 | 6 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 2 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 12 | 0 | 0 | ||
| Zinc, total recoverable | 6 | 0 | 0 | ||
| Chromium, total recoverable | 6 | 0 | 0 | ||
| Copper, total recoverable | 6 | 0 | 0 | ||
| Oil & Grease | 4 | 0 | 0 | ||
| Arsenic, total recoverable | 4 | 0 | 0 | ||
| Selenium, total recoverable | 4 | 0 | 0 | ||
| Thallium, total recoverable | 4 | 0 | 0 | ||
| Beryllium, total recoverable [as Be] | 4 | 0 | 0 | ||
| Nickel, total recoverable | 4 | 0 | 0 | ||
| Silver total recoverable | 4 | 0 | 0 | ||
| Cadmium, total recoverable | 4 | 0 | 0 | ||
| Lead, total recoverable | 4 | 0 | 0 | ||
| Chromium, hexavalent dissolved [as Cr] | 4 | 0 | 0 | ||
| Antimony, total recoverable | 4 | 0 | 0 | ||
| Chlorine, free available | 4 | 0 | 0 | ||
| Mercury, total recoverable | 4 | 0 | 0 | ||
| Cyanide, total recoverable | 4 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| Iron, total recoverable | 2 | 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 AR0037451.
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
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Start the watch
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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 AR0037451 there.
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- Every permit record in Arkansas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.