Clean Water Act discharge permit · NPDES OR0032352

NEWBERG - WYNOOSKI ROAD STP, Newberg, OR: NPDES OR0032352 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MajorDischarger class
16Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

NEWBERG - WYNOOSKI ROAD STP, held by NEWBERG, CITY OF, holds NPDES permit OR0032352, which discharges to Willamette River. EPA’s file records it issued June 22, 2004 and expiring May 31, 2009.

NEWBERG - WYNOOSKI ROAD STP, Newberg, Oregon: Individual permit OR0032352, held by NEWBERG, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued June 22, 2004, term to May 31, 2009; discharges to WILLAMETTE RIVER.

Chlorine, total residual: 2 limits, 4 violations of any kind, 4 effluent exceedances, latest April 30, 2009, largest 50% over the limit.
Solids, total suspended: 13 limits, 8 violations of any kind, 1 effluent exceedance, latest October 31, 2013, largest 17% over the limit.
Temperature, water deg. centigrade: 1 limit, 35 violations of any kind, 0 effluent exceedances.
Excess thermal load: 1 limit, 35 violations of any kind, 0 effluent exceedances.
E. coli: 4 limits, 28 violations of any kind, 0 effluent exceedances.
BOD, carbonaceous [5 day, 20 C]: 13 limits, 7 violations of any kind, 0 effluent exceedances.
Nitrogen, Kjeldahl, total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Nitrite + Nitrate total [as N]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
pH: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Report due [yrmoda]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Nitrogen, ammonia total [as N]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
BOD, carb-5 day, 20 deg C, percent removal: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Solids, suspended percent removal: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Chlorine usage: 1 limit, 0 violations of any kind, 0 effluent exceedances.

August 26, 2024: Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements (ST6).
December 6, 2023: WW SSO - Discharge to Waters (ST6).
October 1, 2022: Management Practice Violations - Improper Operation and Maintenance (ST6).
July 1, 2022: Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements (ST6).
September 1, 2021: Effluent Violations - Unauthorized Discharge (ST6).
November 30, 2017: WW SSO - Numeric effluent violation (ST6).
November 27, 2017: WW SSO - Discharge to Waters (ST6).

Oregon holds 145 Publicly owned treatment works coverages of this permit type in EPA’s file; 25 were issued before OR0032352. NEWBERG, CITY OF holds 2 permits in Oregon.

Other permits held by NEWBERG, CITY OF

NEWBERG, CITY OF, Newberg: ORL032352, issued January 1, 2021

Coverages issued nearest OR0032352

December 18, 2003: HARRISBURG LAGOON TREATMENT PLANT, Harrisburg, OR0033260, held by HARRISBURG, CITY OF
February 25, 2004: WESTFIR STP, Westfir, OR0028282, held by WESTFIR, CITY OF
March 1, 2004: COQUILLE STP, Coquille, OR0026247, held by COQUILLE, CITY OF
March 2, 2004: MCMINNVILLE WATER RECLAMATION FACILITY, Mcminnville, OR0034002, held by MCMINNVILLE, CITY OF
May 27, 2004: ASHLAND STP, Ashland, OR0026255, held by ASHLAND, CITY OF
August 10, 2004: CHILOQUIN STP, Chiloquin, OR0020320, held by CHILOQUIN, CITY OF
October 20, 2004: TRYON CREEK WWTP, Portland, OR0026891, held by PORTLAND, CITY OF
November 9, 2004: REEDSPORT STP, Reedsport, OR0020826, held by REEDSPORT, CITY OF
November 18, 2004: SALEM WILLOW LAKE STP, Salem, OR0026409, held by SALEM, CITY OF
November 22, 2004: ELGIN STP, Elgin, OR0022438, held by ELGIN, CITY OF

NEWBERG - WYNOOSKI ROAD STP among its neighbors

EPA’s permit file holds 15 discharge permits in the Hess Creek-Willamette River subwatershed (HUC 170900070307), OR0032352 among them. Its county holds 39, 3 of them major permits; OR0032352 is a major permit.

Other permits in the Hess Creek-Willamette River subwatershed (HUC 170900070307)

BAKELITE CHEMICALS LLC, Eugene: OR0002101, minor permit, discharging to UNNAMED TRIBUTARY TO SPRING CREEK, permit term to October 31, 2001
BEAUDRY'S BUILDING EXPANSION, Newberg: ORR10G063, minor permit, permit term to December 14, 2025
CALPORTLAND - NEWBERG, Newberg: ORR328121, minor permit, permit term to December 3, 2017
CRABTREE PIT, Dundee: ORR323891, minor permit, permit term to June 30, 2012
DUNDEE STP, Dundee: OR0023388, minor permit, discharging to WILLAMETTE RIVER (RM 51.7), permit term to July 31, 2016
E CRESTVIEW DRIVE IMPROVEMENT PROJECT, Newberg: ORR10G126, minor permit, permit term to December 14, 2025
GFU PARKING VILLA SOUTH, Newberg: ORR10J982, minor permit, permit term to December 14, 2030
HESS CREEK PRESERVE PHASE 2, Newberg: ORR10J994, minor permit, permit term to December 14, 2030
NAGOMI AT SPRINGBROOK, Newberg: ORR10K018, minor permit, permit term to December 14, 2030
NEWBERG OR, LLC, Newberg: OR0000558, major permit, discharging to WILLAMETTE RIVER, permit term to May 31, 2000

Identity

Facility as filed	NEWBERG - WYNOOSKI ROAD STP
Permittee as filed	NEWBERG, CITY OF
NPDES ID	OR0032352
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	June 22, 2004
Expiration date	May 31, 2009
Address	Newberg, OR 97132
Receiving water	WILLAMETTE RIVER
Subwatershed	Hess Creek-Willamette River (HUC 170900070307)
Other EPA IDs (FRS)	RCRA handler ORD987190980

Effluent limits and exceedances

16Pollutants on file
16Under a numeric limit
9With 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	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Chlorine, total residual	2	4	4	April 30, 2009	50% over the limit
Solids, total suspended	13	8	1	October 31, 2013	17% over the limit
Temperature, water deg. centigrade	1	35	0
Excess thermal load	1	35	0
E. coli	4	28	0
BOD, carbonaceous [5 day, 20 C]	13	7	0
Nitrogen, Kjeldahl, total [as N]	1	1	0
Nitrite + Nitrate total [as N]	1	1	0
Phosphorus, total [as P]	1	1	0
pH	4	0	0
Flow, in conduit or thru treatment plant	2	0	0
Report due [yrmoda]	2	0	0
Nitrogen, ammonia total [as N]	1	0	0
BOD, carb-5 day, 20 deg C, percent removal	1	0	0
Solids, suspended percent removal	1	0	0
Chlorine usage	1	0	0

Inspections, violations and enforcement

7Single-event violations

Date	What EPA recorded	Agency
August 26, 2024	Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements	ST6
December 6, 2023	WW SSO - Discharge to Waters	ST6
October 1, 2022	Management Practice Violations - Improper Operation and Maintenance	ST6
July 1, 2022	Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements	ST6
September 1, 2021	Effluent Violations - Unauthorized Discharge	ST6
November 30, 2017	WW SSO - Numeric effluent violation	ST6
November 27, 2017	WW SSO - Discharge to Waters	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES OR0032352.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES OR0032352.

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

This public-records page covers Clean Water Act discharge permit NPDES OR0032352 for the Newberg - Wynooski Road STP in Newberg, OR, held by the City of Newberg and discharging to the Willamette River. The page lists a Major Discharger class, 16 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance, with the permit administratively continued after its May 31, 2009 expiration.