Clean Water Act discharge permit · NPDES OR0055001
JOHN DAY DAM PROJECT, Rufus, OR: NPDES OR0055001 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
JOHN DAY DAM PROJECT, held by U.S. Army Corps of Engineers- John Day Dam Project, holds NPDES permit OR0055001, which discharges to Columbia River. EPA’s file records it issued July 14, 2025 and expiring June 30, 2030. 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 | JOHN DAY DAM PROJECT |
|---|---|
| Permittee as filed | U.S. Army Corps of Engineers- John Day Dam Project |
| NPDES ID | OR0055001 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Program | Industrial stormwater |
| Issued | July 14, 2025 |
| Expiration date | June 30, 2030 |
| Issuing agency | Oregon Department of Environmental Quality |
| Address | Rufus, OR 97050 |
| Receiving water | Columbia River |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Hells Gate Canyon-Columbia River (HUC 170701050103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 1With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 77 | 3 | 2 | February 28, 2026 | 12% over the limit |
| Temperature, water deg. centigrade | 122 | 0 | 0 | ||
| pH | 105 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 52 | 0 | 0 | ||
| Thermal Discharge | 27 | 0 | 0 | ||
| Oil and grease visual | 26 | 0 | 0 | ||
| Chlorine, total residual | 4 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 3 | 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 OR0055001.
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, OR0055001.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 OR0055001 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.