Clean Water Act discharge permit · NPDES OR0020524
CITY OF TROUTDALE WATER POLLUTION CONTROL FACILITY, Troutdale, OR: NPDES OR0020524 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 13Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
CITY OF TROUTDALE WATER POLLUTION CONTROL FACILITY, held by TROUTDALE, CITY OF, holds NPDES permit OR0020524, which discharges to Sandy River (Rm 2.3). EPA’s file records it issued May 30, 2018 and expiring June 30, 2023. 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 | CITY OF TROUTDALE WATER POLLUTION CONTROL FACILITY |
|---|---|
| Permittee as filed | TROUTDALE, CITY OF |
| NPDES ID | OR0020524 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 30, 2018 |
| Expiration date | June 30, 2023 |
| Address | Troutdale, OR 97060 |
| Receiving water | SANDY RIVER (RM 2.3) |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Beaver Creek-Sandy River (HUC 170800010703) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 20Pollutants on file
- 13Under a numeric limit
- 12With a violation of any kind
- 3With 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 range excursions, > 60 minutes | 0 | 4 | 3 | March 31, 2026 | 2,147,483,650% over the limit |
| pH | 4 | 5 | 2 | September 30, 2021 | |
| Solids, total suspended | 16 | 85 | 1 | June 30, 2019 | 7% over the limit |
| Ultraviolet light dosage | 2 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 5 | 3 | 0 | ||
| Excess thermal load | 4 | 2 | 0 | ||
| pH range excursions, monthly total accum | 0 | 2 | 0 | ||
| Oil & Grease | 0 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 1 | 0 | ||
| Phosphorus, total [as P] | 0 | 1 | 0 | ||
| Solids, total dissolved | 0 | 1 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 16 | 0 | 0 | ||
| E. coli | 4 | 0 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 0 | 0 | ||
| Report due [yrmoda] | 3 | 0 | 0 | ||
| Temperature, water deg. centigrade | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 31, 2025 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| April 26, 2024 | Effluent Violations - Numeric effluent violation | 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.
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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 OR0020524 there.
Nearby on the register
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- Every permit record in Troutdale, 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.