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- Printable Version
The city adjusts sewer rates each year on July 1.
Fiscal Year 2007/2008 Sewer Rates
| Residential Sewer Rates Per Month |
| Sewer Volume |
$5.70 per unit
(A unit is 100 cubic feet, or 748 gallons)
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Stormwater Management
(This is divided into an on-site and off-site stormwater management charge. Ratepayers who manage stormwater on their property can receive up to a 100% discount of their
on-site charge)
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$7.22
(per 1,000 square feet of impervious surface)
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| Portland Harbor Superfund Charge* |
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| Per 100 cubic feet of water consumption |
$0.11 |
| Rate per 1,000 square feet per month |
$0.42 |
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Commercial Sewer Rates Per Month
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| Sewer Volume Rate |
$5.864/unit
(A unit is 100 cubic feet, or 748 gallons)
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Stormwater Management Charge
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$7.91 per 1,000 sq ft per month |
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Sanitary System Development Charge
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| Per Equivalent Dwelling Unit |
$3,258 |
| Line Charge per square foot |
$0.802 |
| Branch Charge per branch used |
$2,213 |
Stormwater System Development Charge
| Single or two-family home |
$614 |
| Tri-plex |
$710 |
Commercial and multiple family dwellings with 5 or more units
| Rate per 1000 sq ft impervious surface |
$127 |
| Per linear foot of frontage |
$4.07 |
| Per daily vehicle trip |
$2.10 |
*Due to sediment contamination, the EPA designated the Lower Willamette River between the Fremont Bridge and Sauvie Island as the Portland Harbor Superfund site in December 2000. The City of Portland owns over 20 stormwater or combined sewer outfall pipes that drain into Portland Harbor. The city is a potentially responsible party because of the potential of the city's stormwater system to carry contamination from upland areas to the river. The EPA ordered this investigation to identify the cause, extent and nature of Portland Harbor contamination and to evaluate health risks to humans, fish and wildlife.
The Superfund charge is not a new charge. In July 2007, the city added a Portland Harbor Superfund Program line item to the city sewer bill to show ratepayers exactly what portion of their sewer bills pay for the Portland Harbor investigation. City of Portland sewer rates have supported this investigation since 2001.
The charge is based on both impervious area (I/A) and sewer volume (measured in CCF). The current rate for the Superfund charge is $0.42 per each thousand square feet of I/A and $0.11 per each CCF of billed sewer volume. The $0.11 is based on either the actual measured water volume or on the winter average, whichever is less.
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| Water Rates |
| Rate information from the Portland Water Bureau |
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