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Clean Water Act discharge permit · NPDES OR0020788

HOOD RIVER STP, Hood River, OR: NPDES OR0020788 discharge permit, effluent exceedances, inspections, penalties

HOOD RIVER STP, held by HOOD RIVER, CITY OF, holds NPDES permit OR0020788, which discharges to Columbia River (Rm 168.5). EPA’s file records it issued October 28, 2020 and expiring September 30, 2025. 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 filedHOOD RIVER STP
Permittee as filedHOOD RIVER, CITY OF
NPDES IDOR0020788
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedOctober 28, 2020
Expiration dateSeptember 30, 2025
AddressHood River, OR 97031
Receiving waterCOLUMBIA RIVER (RM 168.5)
Receiving water impaired303(D) Listed
SubwatershedGrays Creek-Columbia River (HUC 170701051106)
SIC4952 – 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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended114340June 30, 20253,546% over the limit
BOD, 5-day, 20 deg. C115633November 30, 202599,999% over the limit
E. coli4228August 31, 2025496% over the limit
pH444June 30, 2023
Solids, suspended percent removal122June 30, 202522% over the limit
Flow, in conduit or thru treatment plant411January 31, 20065% over the limit
BOD, 5-day, percent removal111October 31, 201699,999% over the limit
Temperature, water deg. centigrade2450
Ultraviolet light dosage1450
Excess thermal load080
Nitrogen, ammonia total [as N]110
Thermal Discharge200
Report due [yrmoda]200
Oxygen, dissolved [DO]100
Oil & Grease100
Nitrogen, Kjeldahl, total [as N]100
Nitrite + Nitrate total [as N]100
Phosphorus, total [as P]100
Hardness, total [as CaCO3]100
Ultraviolet light intensity100
Ultraviolet light transmittance100
Solids, total dissolved100
Mercury, total [as Hg]100

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

DateWhat EPA recordedAgency
May 4, 2026Effluent Violations - Unauthorized DischargeST6
December 1, 2025WW SSO - Discharge to WatersST6
October 1, 2025Reporting Violations - Improper/ Incorrect ReportingST6
August 1, 2024Monitoring Violations - Analysis not ConductedST6
June 26, 2024Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
June 26, 2024Monitoring Violations - Analysis not ConductedST6
March 20, 2024Management Practice Violations - Improper Operation and MaintenanceST6
March 1, 2024Monitoring Violations - Invalid/Unrepresentative SampleST6
November 1, 2022Reporting Violations - Improper/ Incorrect ReportingST6
August 2, 2022Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
August 1, 2022Effluent Violations - Unauthorized DischargeST6
July 23, 2021Monitoring Violations - Failure to Monitor for Toxicity RequirementsST6
June 11, 2018Effluent Violations - Numeric effluent violationST6
February 15, 2018Monitoring Violations - Failure to Monitor for Non-Toxicity RequirementsST6
September 4, 2017WW SSO - Discharge to WatersST6

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 OR0020788 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act discharge permit NPDES OR0020788 for the HOOD RIVER STP in Hood River, OR, held by HOOD RIVER, CITY OF, and lists it as administratively continued with a Major Discharger class. The page shows 22 pollutants under a numeric limit and 7 pollutants with an effluent exceedance, and it gives the permit's issue date of October 28, 2020 and expiration date of September 30, 2025 as they stood in EPA's file when loaded on October 14, 2026.