Clean Water Act discharge permit · NPDES ARR000279
HARRY D. MATTISON POWER PLANT, Tontitown, Township Of, AR: NPDES ARR000279 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
HARRY D. MATTISON POWER PLANT, held by SOUTHWESTERN ELECTRIC POWER COMPANY, holds NPDES permit ARR000279, which discharges to Trib,Brushy C,Osage C,Illinois R. EPA’s file records it issued December 31, 2013 and expiring June 30, 2019. 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.
What the register holds for HARRY D. MATTISON POWER PLANT: its NPDES ID, its permit type and status, its dates, its address in Tontitown, Township Of, Arkansas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ARR000279.
Identity
| Facility as filed | HARRY D. MATTISON POWER PLANT |
|---|---|
| Permittee as filed | SOUTHWESTERN ELECTRIC POWER COMPANY |
| NPDES ID | ARR000279 |
| 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 | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | December 31, 2013 |
| Expiration date | June 30, 2019 |
| Address | Tontitown, Township Of, AR 72762 |
| Receiving water | Trib,Brushy C,Osage C,Illinois R |
| Subwatershed | Brush Creek-Osage Creek (HUC 111101030304) |
| NAICS | 221112 – Fossil Fuel Electric Power Generation |
| SIC | 4911 – Electric Services |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same 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 ARR000279.
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 ARR000279.
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, ARR000279.
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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 ARR000279 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.