Clean Water Act discharge permit · NPDES ARR158798
ENTERGY ARKANSAS, LLC - IRONWOOD ENTERGY POWER STATION, Malvern, AR: NPDES ARR158798 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ENTERGY ARKANSAS, LLC - IRONWOOD ENTERGY POWER STATION, held by Entergy Arkansas, LLC, holds NPDES permit ARR158798. EPA’s file records it issued September 22, 2025 and expiring October 31, 2026. 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.
What the register holds for ENTERGY ARKANSAS, LLC - IRONWOOD ENTERGY POWER STATION: its NPDES ID, its permit type and status, its dates, its address in Malvern, Arkansas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ARR158798.
Identity
| Facility as filed | ENTERGY ARKANSAS, LLC - IRONWOOD ENTERGY POWER STATION |
|---|---|
| Permittee as filed | Entergy Arkansas, LLC |
| NPDES ID | ARR158798 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | September 22, 2025 |
| Expiration date | October 31, 2026 |
| Issuing agency | Arkansas Energy & Environment |
| Address | Malvern, AR 72104 |
| Subwatershed | Lake Hamilton Dam (HUC 080401010806) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES ARR158798.
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 ARR158798.
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 ARR158798 there.
Nearby on the register
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- Every permit record in Malvern, A to Z
- Discharge permits in Arkansas
- Every permit record in Arkansas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.