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How we calculated this

Read by an AI agent (a large language model) from the utility's official rate schedule.

Extracted by: Luna (gpt-6-luna) · 10/02/2026
Source: 
Service charge (5/8" meter): $31.38/mo
Water used, 6,000 gal: $83.26/mo
Total: $114.64/mo
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Utility profile · OR

TUALATIN VALLEY WATER DISTRICT Water Rates

TUALATIN VALLEY WATER DISTRICT supplies water to about 220,000 people in Aloha, Bethany, and 10 other places in Oregon. A typical household using 6,000 gallons a month pays an estimated $114.64, 97% above the national average.

Rates effective 2025-11-01

Updated Oct 2026

How much does water cost provided by TUALATIN VALLEY WATER DISTRICT?

Monthly Rate

$114.64 / month
Read by AI from the official rate schedule

How the bill adds up

Service charge
5/8" meter
 $31.38
Water used
16.04 ccf × $10.38/ccf ÷ 2 (billed every 2 months)
 $83.26
Total $114.64

How does TUALATIN VALLEY WATER DISTRICT's water cost compare to its regional neighbors?

Monthly cost (6k gal) vs up to 10 nearest utilities with published rates. Click to navigate.

WEST LINN, CITY OF
$37.21
WEST LINN, CITY OF
WEST LINN, OR · $37.21/mo · 14mi
MILWAUKIE, CITY OF
$46.15
MILWAUKIE, CITY OF
MILWAUKIE, OR · $46.15/mo · 11mi
CORNELIUS, CITY OF
$54.33
CORNELIUS, CITY OF
CORNELIUS, OR · $54.33/mo · 10mi
RIVERGROVE WATER DISTRICT
$63.09
RIVERGROVE WATER DISTRICT
LAKE OSWEGO, OR · $63.09/mo · 10mi
SHERWOOD, CITY OF
$63.84
SHERWOOD, CITY OF
SHERWOOD, OR · $63.84/mo · 10mi
WEST SLOPE WATER DISTRICT
$73.64
WEST SLOPE WATER DISTRICT
PORTLAND, OR · $73.64/mo · 4mi
TIGARD, CITY OF
$78.22
TIGARD, CITY OF
TIGARD, OR · $78.22/mo · 7mi
BEAVERTON, CITY OF
$87.47
BEAVERTON, CITY OF
BEAVERTON, OR · $87.47/mo · 3mi
NORTH PLAINS WATER DEPARTMENT
$89.78
NORTH PLAINS WATER DEPARTMENT
NORTH PLAINS, OR · $89.78/mo · 10mi
PORTLAND WATER BUREAU
$97.94
PORTLAND WATER BUREAU
PORTLAND, OR · $97.94/mo · 10mi
TUALATIN VALLEY WATER DISTRICT
$114.64
TUALATIN VALLEY WATER DISTRICT
BEAVERTON · $114.64/mo

Where does TUALATIN VALLEY WATER DISTRICT provide service?

Population served and the municipalities covered by this utility's service area.

Boundaries from the EPA Water System Service Areas dataset. Not all utilities have mapped boundaries.

Population Served

224,600

Municipalities served

Aloha Bethany Hillsboro Cedar Mill Tigard Beaverton West Haven-Sylvan Rockcreek Cedar Hills Oak Hills Garden Home-Whitford Marlene Village

Where does TUALATIN VALLEY WATER DISTRICT's water come from?

Supply and provider classification from EPA records.

Primary Source
SWP
Provider Type
Local Govt
PWSID
OR4100665

Named intake/well source and interconnections (who this utility buys from or sells to) aren't captured yet — tracked separately for a future update.

Is water affordable for TUALATIN VALLEY WATER DISTRICT's customers?

Annual bill as a share of median household income in the service area.

Water Burden

1.3% of income (annual)
of median area income · affordability threshold: 2%

We don't yet systematically track whether a utility offers income-based or sliding-scale pricing separate from its standard rates — tracked separately for a future update.

Where did this data come from?

This rate was extracted from TUALATIN VALLEY WATER DISTRICT's published tariff document by an AI research agent, then checked against a validation checklist before publishing. See the full methodology for how every utility on this site is sourced and scored.

Provenance

Extracted by: Luna (gpt-6-luna) · 10/02/2026
Confidence label: Model estimate

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