Clean Water Act discharge permit · NPDES OR0033391
COLUMBIA HELICOPTERS, Aurora, OR: NPDES OR0033391 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
COLUMBIA HELICOPTERS, held by COLUMBIA HELICOPTERS, INC., holds NPDES permit OR0033391, which discharges to Pudding River. EPA’s file records it issued December 21, 2005 and expiring December 31, 2009. 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 | COLUMBIA HELICOPTERS |
|---|---|
| Permittee as filed | COLUMBIA HELICOPTERS, INC. |
| NPDES ID | OR0033391 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 21, 2005 |
| Expiration date | December 31, 2009 |
| Address | Aurora, OR 97002 |
| Receiving water | PUDDING RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mill Creek-Pudding River (HUC 170900090502) |
| Other EPA IDs (FRS) | RCRA handler ORD009673609 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 17Pollutants on file
- 0Under a numeric limit
- 17With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 0 | 14 | 0 | ||
| 1,2-Dichloroethane | 0 | 5 | 0 | ||
| Tetrachloroethylene | 0 | 5 | 0 | ||
| 1,1-Dichloroethylene | 0 | 5 | 0 | ||
| 1,1,1-Trichloroethane | 0 | 5 | 0 | ||
| trans-1,2-Dichloroethylene | 0 | 5 | 0 | ||
| Vinyl chloride | 0 | 5 | 0 | ||
| Trichloroethylene | 0 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 5 | 0 | ||
| cis-1,2-Dichloroethene | 0 | 5 | 0 | ||
| Oil & Grease | 0 | 2 | 0 | ||
| Lead, total [as Pb] | 0 | 2 | 0 | ||
| Oil and grease visual | 0 | 2 | 0 | ||
| Solids, total suspended | 0 | 1 | 0 | ||
| Copper, total [as Cu] | 0 | 1 | 0 | ||
| Zinc, total [as Zn] | 0 | 1 | 0 | ||
| Floating solids, waste or visible foam-visual | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES OR0033391.
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| June 1, 2022 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
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, OR0033391.
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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 OR0033391 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.