Clean Water Act discharge permit · NPDES ORRZ00063
NORTHWEST THERMAL SYSTEMS, INC, Estacada, OR: NPDES ORRZ00063 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NORTHWEST THERMAL SYSTEMS, INC, held by Northwest Thermal Systems, Inc., holds NPDES permit ORRZ00063. EPA’s file records it issued April 18, 2024 and expiring June 30, 2026. 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.
Identity
| Facility as filed | NORTHWEST THERMAL SYSTEMS, INC |
|---|---|
| Permittee as filed | Northwest Thermal Systems, Inc. |
| NPDES ID | ORRZ00063 |
| 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 | April 18, 2024 |
| Expiration date | June 30, 2026 |
| Address | Estacada, OR 97023 |
| Subwatershed | Dubois Creek-Clackamas River (HUC 170900110603) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With 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 | 2 | 16 | 0 | ||
| Solids, total suspended | 1 | 8 | 0 | ||
| Copper, total [as Cu] | 1 | 8 | 0 | ||
| Lead, total [as Pb] | 1 | 8 | 0 | ||
| Zinc, total [as Zn] | 1 | 8 | 0 | ||
| Aluminum, total [as Al] | 1 | 8 | 0 | ||
| Nitrite Plus Nitrate Total | 1 | 8 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ORRZ00063.
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 ORRZ00063.
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.
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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 ORRZ00063 there.
Nearby on the register
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- Every permit record in Estacada, A to Z
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- Every permit record in Oregon, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.