Clean Water Act discharge permit · NPDES SD0028550
RILEY PASS URANIUM MINES SITE, Oklahoma City, OK: NPDES SD0028550 discharge permit, effluent exceedances, inspections, penalties
- Not neededPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
RILEY PASS URANIUM MINES SITE, held by Riley Pass Uranium Mines Site, holds NPDES permit SD0028550. 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 RILEY PASS URANIUM MINES SITE: its NPDES ID, its permit type and status, its its address in Oklahoma City, Oklahoma. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES SD0028550.
Identity
| Facility as filed | RILEY PASS URANIUM MINES SITE |
|---|---|
| Permittee as filed | Riley Pass Uranium Mines Site |
| NPDES ID | SD0028550 |
| Permit status | Not needed |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issuing agency | State of South Dakota |
| Address | Oklahoma City, OK 73126 |
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 SD0028550.
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 SD0028550.
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, SD0028550.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 SD0028550 there.
Nearby on the register
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- Every permit record in Oklahoma, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.