Clean Water Act discharge permit · NPDES OR0033049

BROOKS SEWAGE TREATMENT PLANT, Brooks, OR: NPDES OR0033049 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
1Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

BROOKS SEWAGE TREATMENT PLANT, held by MARION COUNTY AND BROOKS COMMUNITY SEWER DISTRICT, holds NPDES permit OR0033049, which discharges to Willamette River. EPA’s file records it issued December 31, 2015 and expiring November 30, 2020.

BROOKS SEWAGE TREATMENT PLANT, Brooks, Oregon: Individual permit OR0033049, held by MARION COUNTY AND BROOKS COMMUNITY SEWER DISTRICT; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued December 31, 2015, term to November 30, 2020; discharges to WILLAMETTE RIVER.

Solids, total suspended: 6 limits, 5 violations of any kind, 3 effluent exceedances, latest December 31, 2024, largest 42% over the limit.
E. coli: 4 limits, 3 violations of any kind, 0 effluent exceedances.
Flow, in conduit or thru treatment plant: 4 limits, 1 violation of any kind, 0 effluent exceedances.
BOD, 5-day, 20 deg. C: 6 limits, 0 violations of any kind, 0 effluent exceedances.
pH: 4 limits, 0 violations of any kind, 0 effluent exceedances.
Chlorine, total residual: 2 limits, 0 violations of any kind, 0 effluent exceedances.
Temperature, water deg. centigrade: 1 limit, 0 violations of any kind, 0 effluent exceedances.
Flow, total: 1 limit, 0 violations of any kind, 0 effluent exceedances.
BOD, 5-day, 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.

July 29, 2026: Letter of Violation/ Warning Letter (State).
May 28, 2026: WW SSO - Discharge without a valid permit (includes satellite systems) (ST6).
December 13, 2024: Management Practice Violations - Best Management Practice Deficiencies (ST6).

Oregon holds 145 Publicly owned treatment works coverages of this permit type in EPA’s file; 88 were issued before OR0033049.

Coverages issued nearest OR0033049

January 29, 2014: ENTERPRISE STP, Enterprise, OR0020567, held by ENTERPRISE, CITY OF
May 12, 2014: MOLALLA STP, Molalla, OR0022381, held by MOLALLA, CITY OF
June 19, 2014: HIDDEN VALLEY HIGH SCHOOL STP, Murphy, OR0030210, held by THREE RIVERS SCHOOL DISTRICT
June 30, 2014: GRESHAM WWTP, Portland, OR0026131, held by GRESHAM, CITY OF
December 30, 2014: CRESWELL STP, Creswell, OR0027545, held by CRESWELL, CITY OF
February 23, 2016: STAYTON STP, Stayton, OR0020427, held by STAYTON, CITY OF
June 1, 2016: FOREST GROVE STP, Forest Grove, OR0020168, held by CLEAN WATER SERVICES
June 1, 2016: HILLSBORO-WESTSIDE STP, Hillsboro, OR0023345, held by CLEAN WATER SERVICES
June 1, 2016: DURHAM STP, Tigard, OR0028118, held by CLEAN WATER SERVICES
June 1, 2016: ROCK CREEK STP, Hillsboro, OR0029777, held by CLEAN WATER SERVICES

BROOKS SEWAGE TREATMENT PLANT among its neighbors

EPA’s permit file holds 6 discharge permits in the Lower Little Pudding River subwatershed (HUC 170900090109), OR0033049 among them. Its county holds 77, 5 of them major permits; OR0033049 is a minor permit.

Other permits in the Lower Little Pudding River subwatershed (HUC 170900090109)

CHEMAWA INDIAN HEALTH CENTER, Salem: ORR10I00N, minor permit, permit term to February 16, 2027
NORTHPLACE APARTMENTS, Salem: ORR10G338, minor permit, permit term to December 14, 2025
NORTHSTAR NO. 2 AND NO. 4 HOME CONSTRUCTION, Salem: ORR10G192, minor permit, permit term to December 14, 2025
PNW VEG CO LLC, Salem: OR0021261, minor permit, discharging to FITZPATRICK CREEK, permit term to June 30, 2015
REWORLD MARION, INC, Brooks: OR0031305, minor permit, discharging to WILLAMETTE RIVER (RM 71.7), permit term to November 30, 2009

Identity

Facility as filed	BROOKS SEWAGE TREATMENT PLANT
Permittee as filed	MARION COUNTY AND BROOKS COMMUNITY SEWER DISTRICT
NPDES ID	OR0033049
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	December 31, 2015
Expiration date	November 30, 2020
Address	Brooks, OR 97305
Receiving water	WILLAMETTE RIVER
Subwatershed	Lower Little Pudding River (HUC 170900090109)

Effluent limits and exceedances

11Pollutants on file
11Under a numeric limit
3With 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
Solids, total suspended	6	5	3	December 31, 2024	42% over the limit
E. coli	4	3	0
Flow, in conduit or thru treatment plant	4	1	0
BOD, 5-day, 20 deg. C	6	0	0
pH	4	0	0
Chlorine, total residual	2	0	0
Temperature, water deg. centigrade	1	0	0
Flow, total	1	0	0
BOD, 5-day, percent removal	1	0	0
Solids, suspended percent removal	1	0	0
Chlorine usage	1	0	0

Inspections, violations and enforcement

2Single-event violations

Date	What EPA recorded	Agency
May 28, 2026	WW SSO - Discharge without a valid permit (includes satellite systems)	ST6
December 13, 2024	Management Practice Violations - Best Management Practice Deficiencies	ST6

Inspections

EPA’s inspection file holds no inspection for NPDES OR0033049.

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

Date	What EPA recorded	Agency
July 29, 2026	Letter of Violation/ Warning Letter	State

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, OR0033049.

Start the watch

How we handle your data → Privacy

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES OR0033049 for the Brooks Sewage Treatment Plant in Brooks, OR, held by Marion County and Brooks Community Sewer District, which discharges to the Willamette River and is administratively continued. The page lists a discharger class of 11, one pollutant under a numeric limit, and one pollutant with an effluent exceedance.