Clean Water Act discharge permit · NPDES OR0043281

HMSC/OSU, Newport, OR: NPDES OR0043281 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
2Pollutants with an effluent exceedance

HMSC/OSU, held by HATFIELD MARINE SCIENCE CENTER, holds NPDES permit OR0043281. EPA’s file records it issued July 1, 2003 and expiring December 31, 2007. 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	HMSC/OSU
Permittee as filed	HATFIELD MARINE SCIENCE CENTER
NPDES ID	OR0043281
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	July 1, 2003
Expiration date	December 31, 2007
Address	Newport, OR 97365
Receiving water impaired	303(D) Listed
Subwatershed	Poole Slough-Yaquina River (HUC 171002040303)
Other EPA IDs (FRS)	RCRA handler ORQ000035193

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

4Pollutants on file
0Under a numeric limit
4With a violation of any kind
2With 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	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Chlorine produced oxidants	20	6	March 31, 2022	225% over the limit
pH	1	1	April 30, 2025
Solids, total suspended	13	0
Solids, settleable	2	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

8Single-event violations

Date	What EPA recorded	Agency
March 29, 2023	Management Practice Violations - Best Management Practice Deficiencies	ST6
March 29, 2023	Management Practice Violations - Improper Operation and Maintenance	ST6
January 20, 2020	Reporting Violations - Failure to Notify	ST6
September 30, 2017	Effluent Violations - Numeric effluent violation	ST6
September 30, 2017	Reporting Violations - Late Submittal of DMRs	ST6
August 31, 2017	Effluent Violations - Numeric effluent violation	ST6
August 31, 2017	Reporting Violations - Late Submittal of DMRs	ST6
August 1, 2017	Reporting Violations - Improper/ Incorrect Reporting	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.

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, OR0043281.

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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 OR0043281 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers Clean Water Act discharge permit NPDES OR0043281 held by HATFIELD MARINE SCIENCE CENTER for the HMSC/OSU facility in Newport, OR, which EPA's file records as administratively continued and issued July 1, 2003 with an expiration date of December 31, 2007. The listed figures are 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance, with the permit classed as a Minor Discharger class 0.