Clean Water Act discharge permit · NPDES OR0023167
TIMBERLAKE STP, Estacada, OR: NPDES OR0023167 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
TIMBERLAKE STP, held by US FOREST SERVICE, holds NPDES permit OR0023167, which discharges to Clackamas River. EPA’s file records it issued August 23, 2021 and expiring July 31, 2026. 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 | TIMBERLAKE STP |
|---|---|
| Permittee as filed | US FOREST SERVICE |
| NPDES ID | OR0023167 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | August 23, 2021 |
| Expiration date | July 31, 2026 |
| Address | Estacada, OR 97023 |
| Receiving water | CLACKAMAS RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Three Lynx Creek-Clackamas River (HUC 170900110401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 19Under a numeric limit
- 20With 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 |
|---|---|---|---|---|---|
| pH | 4 | 15 | 1 | March 31, 2021 | |
| BOD, 5-day, 20 deg. C | 11 | 24 | 0 | ||
| Solids, total suspended | 11 | 24 | 0 | ||
| E. coli | 4 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Chlorine, total residual | 2 | 5 | 0 | ||
| Temperature, water deg. centigrade | 3 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 4 | 0 | ||
| BOD, 5-day, percent removal | 1 | 3 | 0 | ||
| Solids, suspended percent removal | 1 | 3 | 0 | ||
| Chlorine usage | 1 | 3 | 0 | ||
| Number of Events | 2 | 2 | 0 | ||
| Volume, total | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Oil & Grease | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| Water Elevation | 1 | 1 | 0 | ||
| Phosphorus, Total | 0 | 1 | 0 | ||
| Solids, total dissolved [TDS] | 0 | 1 | 0 | ||
| Phosphorus, total [as P] | 1 | 0 | 0 | ||
| Solids, total dissolved | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 1, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| July 1, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| February 1, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, OR0023167.
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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 OR0023167 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 September 15, 2026.