Water Environment Services

WES Administrative Fees

Delinquent Account Certification	$50.00 if not certified within prior 2 years $100.00 if certified within either of prior 2 years
Delinquent Account Penalty	2% of past-due balance, or $5, whichever is greater
Lien Search	$35.00
Returned Check Fee	$25.00
Public Records Request	$1.00 for first page and $0.10 for subsequent pages *Also when more than nominal staff time is necessary to research, review, redact, copy, or compile records: the actual cost of staff time, calculated at the hourly rate of the employee who performs the work. See public records policy and procedure.
Miscellaneous - Any other service, the cost of which is not included in the items listed above, for which the District will be reimbursed for the expenditure of funds for professional services, labor or materials	$85.00 per labor hour plus direct expenses to the district

New Format?

WES Industrial User and Septage Fees

Clackamas Water Environment Services (WES) is implementing changes to its extra-strength surcharge fees for industrial customers that discharge wastewater with higher concentrations of Biochemical Oxygen Demand (BOD) and Total Suspended Solids (TSS) than typical wastewater. These changes are based on a recently completed cost-of-service study and will be implemented over three years, beginning July 1, 2025. See the notice below for full details and the Wastewater Extra-Strength Charges Cost of Service Study for additional background.

2024 Extra Strength Cost of Service Study 2025 Extra Strength Fee Updates Notice

Industrial Pretreatment Discharge Permit Annual Fee
a. 5–8 Industrial User Points	$1,500 per year
b. 9–13 Industrial User Points	$2,250 per year
c. 14–17 Industrial User Points	$3,000 per year
Septage Hauling
Septage Permit Fee	$150 3 year term
Septic Tank Waste Discharge	$0.12/gallon
Extra Strength
Rate Zone 1	Biochemical Oxygen Demand (BOD) $0.2153/lb. Suspended Solids (SS) $0.1945/lb.
Rate Zone 2	Biochemical Oxygen Demand (BOD) $0.2833/lb. Suspended Solids (SS) $0.1980/lb.

New Format?

WES Development and Plan Review Fees

Sanitary Sewer Plan Review - Subdivision	$400 or 4% of the estimated cost of any required public sewer extension, whichever is greater; except, no fee will be due for; a) Tenant improvements where there is no change of use or no additional public sewer connection, b) Building additions less than 2,000 sq. ft. and there is no change of use or no additional public sewer connection
Sanitary Sewer Plan Review - Commercial/Industrial	400 minimum
Surface Water Plan Review - Minor Partition, Subdivision, Commercial/Industrial	400 or 4% of the installed cost of any required surface water management system, whichever is greater; except, no fee will be due where there is no additional impervious surface area.
Plan Review - Single Family Residence	115
Apportionment of Assessment	105 plus recording fees
Installment Payment Application (not included in an assessment district)	500
Reimbursement District Application	3,490 Initial plus $750 for modification of proposal; $500 for rescheduling hearing
Easement Application Fee	1,200
Inspection Fee	100
Sanitary Sewer Tap-In	665

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System Development Charges (SDCs) and Connection Charges

(rates effective 7/1/2024)

Connection Charge
	$6,000 minimum, if applicable. See WES Rules, Section 5.5
System Development Charges The sewer and storm SDCs shall be calculated based on the Classes of Service defined in WES Rules, Section 5.4 - Tables 2 and 3.
Description	Updated Fee Effective Nov. 1, 2025	Existing Fee	Change
Sanitary Sewer SDC (per EDU)	$9,375	$9,100	$275/3.0%
Surface Water SDC (per ESU)	$265	$246.50	$18.50/7.5%

Wastewater & Stormwater System Development Charge Update

System Development Charges FAQ

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New Format?

WES Rate Zone Charges and Fees

Monthly Sanitary Sewer Service Charges

(rates effective 7/1/2025)

Rate Zone 1 Sanitary Sewer Service Area Includes the cities of Gladstone, Oregon City, West Linn, and a small number of WES retail customers in Oregon City. The cities in Rate Zone 1 establish their own charges and fees for local collection and other services provided and bill directly to the customer.
	WES Monthly Service Charge per Equivalent Dwelling Unit
Gladstone Including City Right-of-Way Surcharge	$32.30
Oregon City Including City Right-of-Way Surcharge	$32.60
West Linn	$30.75
WES Rate Zone 1 Retail	$47.20
Rate Zone 2 Sanitary Sewer Service Area* Includes unincorporated Clackamas County, the Cities of Happy Valley, Johnson City, and Milwaukie, and the communities of Hoodland, Boring, and Fisher’s Forest Park. The cities of Milwaukie and Johnson City in Rate Zone 2 establish their own charges and fees for local collection and other services provided and bill directly to the customer.
	WES Monthly Service Charge per Equivalent Dwelling Unit
Unincorporated Clackamas County	$54.40
City of Happy Valley Including City Right-of-Way Surcharge	$57.12
Hoodland, Boring, Fischer’s Forest Park	$54.40
Milwaukie	$37.95
Johnson City	$37.95
*Customer Assistance Programs are available for qualified customers

Monthly Surface Water Service Charges

(rates effective 7/1/2025)

Surface Water Management provides water quality protection for the community by implementing programs to reduce pollution in our rivers, streams and wetlands caused by urban stormwater runoff.
SWM fees fund:

water quality monitoring
investigation of water quality, erosion, and drainage issues;
water quality and drainage improvement projects;
customer service response
public education and awareness

The SWM charge reflects the amount of impervious surface on each site, which is a measure of increased runoff into the storm drainage system.

Rate Zone 2 Surface Water Service Area Includes unincorporated Clackamas County and the City of Happy Valley.
	WES Monthly Service Charge per Equivalent Service Unit
Unincorporated Clackamas County	$9.55
City of Happy Valley Including City Right-of-Way Surcharge	$10.03
Surface Water Monthly On-Site Maintenance (with approved Public Maintenance Agreement)
Unincorporated Clackamas County	$3.00
City of Happy Valley Including City Right-Of-Way Surcharge	$3.15
Rate Zone 3 Surface Water Service Area (Includes the City of Rivergrove and portions of unincorporated Clackamas County draining into the Tualatin River)		$5.70

Sample Monthly Bill for a Single Family Home in the City of Happy Valley in Rate Zone 2

Description of services	Units	Amount
Surface Water	1	$9.55
Sanitary Sewer	1	$54.40
On-site Maintenance	1	$3.00
Right of Way Fee	1	$3.35
Total Monthly Charges		$70.30