Tualatin water and sewer rates

At typical use (9 units, about 6,700 gallons a month), a Tualatin house pays about $65 a month for water and about $94 for sewer and other utility-bill charges: about $1,910 a year. Estimated from public rates, not anyone's actual bill.

Who supplies water to Tualatin houses, what it costs, and how the sewer charge works.

City of Tualatin

City of Tualatin monthly water rates, 5/8"×3/4" meter: facilities charge (Class 1) $7.67; service charge $7.77; water charge $5.48 per 100 cubic feet (CCF).

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$15.44 a month
0 to more$5.48

Sewer

Monthly sewer base charge per dwelling unit of $31.63 regional plus $11.14 local, and a use charge of $2.10 regional plus $0.76 local per CCF of winter average water use.

Other charges on the utility bill

  • Stormwater (per ESU, regional plus local rate): $12.58 a month
  • Road utility fee (single family residential): $8.36 a month
  • Parks utility fee (residential, per dwelling unit): $5.00 a month

How Tualatin compares with nearby cities

Water, a month

  1. West Linn · 7 mi$45
  2. Wilsonville · 5 mi$50
  3. Tigard · 3 mi$64
  4. Tualatin$65
  5. Lake Oswego · 4 mi$68
  6. Beaverton · 7 mi$95

Water only, at each city's typical use; sewer is left out because some cities bill it on the tax bill.

Checked October 28, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.

Water bill in other Oregon cities

Albany water billAshland water billBeaverton water billBend water billSilverton water billSpringfield water billSt. Helens water billSweet Home water billTigard water billTroutdale water billWest Linn water billWilsonville water billAll Oregon cities →