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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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Sewer and Drainage Rates and Charges

Sanitary Sewer System User Service Charges and Discounts

(authorized by City Code Sections 17.34.150, 17.36.070 and 17.36.110)

1. Residential Users
a. Sanitary Sewer Services
$9.50 per 100 cubic feet of water consumption
b. Low Income Discount
$29.95 per month for eligible ratepayers only

2. Non-Residential, Commercial, Industrial and Institutional Users
a. Special Meter Charge
$31.21 per special meter per bill
b. Sanitary Sewer Services
$9.368 per 100 cubic feet of water consumption
c. Clean Water Discharges
$0.961 per 100 cubic feet of discharged clean water to a storm sewer other than a combined sewer
d. Publicly-Owned Drinking Fountain
$0.001 per 100 cubic feet of discharged water

3. Industrial Extra-Strength Discharger
a. Biochemical Oxygen Demand
$0.650 per pound (allowable concentration – 300 mg/liter)
b. Suspended Solids
$0.804 per pound (allowable concentration – 350 mg/liter)
c. Extra Strength Resample
$310.00 per composite sample

Drainage/Stormwater Management User Service Charges and Discounts

(authorized by City Code Sections 17.36.070 and 17.36.100, and Ordinance No. 183307)

1. Residential Users
a. Single Family and Duplexes
Off-site charge $17.28 per user account per month
On-site charge $9.31per user account per month
b. 3-Plex and 4-Plex Residences
Off-site charge $7.20 per dwelling unit per month
On-site charge $3.88 per dwelling unit per month
c. Developments of 5 or More Units
Off-site charge $7.20 per 1,000 square feet of impervious area per month
On-site charge $3.88 per 1,000 square feet of impervious area per month

2. Non-Residential Users
Off-site charge $7.51 per 1,000 square feet of impervious area per month
On-site charge $4.04 per 1,000 square feet of impervious area per month

3. Discounts
Clean River Rewards User fee discounts of as much as 100% of the monthly stormwater management charge for private on-site facilities that manage stormwater runoff, and 100% of the monthly on-site stormwater management charge for Drainage District residents and businesses.

Willamette River/Portland Harbor Superfund Charges

(authorized by City Code Section 17.36.070)

1. Sanitary Volume Component
$0.06 per 100 cubic feet of water consumption
2. Impervious Area Component
$0.14 per 1,000 square feet of impervious area per month

Note: These rates apply to all users, residential and non-residential. The impervious area component is calculated for the following classes of residential user based on the following class-average values of impervious area:

Single Family and Duplex Residences
2,400 square feet of impervious area per parcel
3-Plex and 4-Plex Residences
1,000 square feet of impervious area per unit

Sewer System Development and Connection Charges

(authorized by City Code Sections 17.33.060, 17.36.040 and 17.36.050, and Ordinance No. 183684)

1. Sanitary System
a. Development Charge
$5,867.00 per equivalent dwelling unit

2. Stormwater Management System
a. Single Family or Duplex Residence
$884.00 per parcel
b. 3-Plex Residential Development
$1,023.00 per parcel
c. 4-Plex Residential Development
$1,403.00 per parcel
d. All Other Developments
     
i. Impervious Area Component - $183.00 per 1,000 square feet of impervious area
     ii. Frontage Component - $5.84 per linear foot of frontage
     iii. Trip Generation Component - $3.12 per daily vehicle trip

3. Connection Charges
a. Line Charge
$1.61 per square foot within the zone of benefit
b. Branch Charge
$5,974.00 per branch used
c. Wyes and Tees
$283.00 per wye or tee used

4. Sanitary Sewer Conversion Charges
a. Residential (single family, duplex, 3-plex, 4-plex)
   
i. Branch Charge - $5,974.00 per branch used
b. Commercial (all other users)
    
i. Simple Sewer Extensions - $2.76 per square foot
     ii. Complex Sewer Extensions - $5.68 per square foot

5. System Development Charge Exemptions
a. Affordable Housing
Qualified affordable housing developments will be exempt from all or part of required sanitary and stormwater system development charges
b. Auxiliary Dwelling Units
Sanitary and stormwater development charges will be suspended for accessory dwelling units (ADU's) until July 31, 2016 provided that an occupancy permit is obtained no later than June 30, 2017.