Clean Water Act discharge permit · NPDES ORR10F531
MISSION COURT, Lake Oswego, OR: NPDES ORR10F531 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MISSION COURT, held by Mission Homes Northwest, LLC, holds NPDES permit ORR10F531. EPA’s file records it issued November 5, 2018 and expiring December 14, 2020. 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 MISSION COURT: its NPDES ID, its permit type and status, its dates, its address in Lake Oswego, Oregon. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ORR10F531.
Identity
| Facility as filed | MISSION COURT |
|---|---|
| Permittee as filed | Mission Homes Northwest, LLC |
| NPDES ID | ORR10F531 |
| 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 | Construction stormwater |
| Issued | November 5, 2018 |
| Expiration date | December 14, 2020 |
| Issuing agency | STA |
| Address | Lake Oswego, OR 97035 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Saum Creek-Tualatin River (HUC 170900100504) |
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 ORR10F531.
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 ORR10F531.
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, ORR10F531.
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 ORR10F531 there.
Nearby on the register
- Discharge permits in Lake Oswego
- Every permit record in Lake Oswego, A to Z
- Discharge permits in Oregon
- Every permit record in Oregon, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.