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Service Area

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

How we calculated this
Extracted by: codex/gpt-5.6-terra · 07/27/2026
Source:
Quality checks: 8/8 passed
  • ✓ Monotonic pricing
  • ✓ Price range plausible
  • ✓ Fixed charge range
  • ✓ No zero tier prices
  • ✓ Tier count (1–8)
  • ✓ Tier boundary scale
  • ✓ Residential customer class
  • ✓ Effective date parseable
  • — Plausible for WA 
Fixed: $31.97/mo
Volume: 6,000 gal = 8.02 CCF
  October Through May: 8.02 CCF × $2.9770 = $23.88 → $55.85/mo
  June Through September: 8.02 CCF × $2.9770 = $23.88 → $55.85/mo
About our methodology ↗

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TACOMA, WA

TACOMA WATER DIVISION CITY OF

TACOMA WATER DIVISION CITY OF serves 446,170 people in TACOMA, WA. The monthly residential water bill at 6,000 gallons is $55.85, 11% above the national average of $50.20.

Updated Jul 2026

Beta. Data is actively being expanded. Results may vary. if something looks off.

Monthly Rate peak season

$55.85 / 6k gal
October through May: $55.85 June through September: $55.85
+11% vs natl avg

Volumetric Rate

$9.31 / 1k gal

Population Served

446,170

Water Burden

0.8% of income (annual)
of median area income · affordability threshold: 2%

Regional Comparison

Monthly cost (6k gal) vs nearby utilities. Click to navigate.

EVERETT PUBLIC WORKS DEPT. CITY OF
$23.90
EVERETT PUBLIC WORKS DEPT. CITY OF
Everett, WA · $23.90/mo
SPOKANE CITY OF
$23.95
SPOKANE CITY OF
Spokane, WA · $23.95/mo
CLARK PUBLIC UTILITIES
$30.64
CLARK PUBLIC UTILITIES
VANCOUVER, WA · $30.64/mo
VANCOUVER CITY OF
$35.53
VANCOUVER CITY OF
Vancouver, WA · $35.53/mo
ALDERWOOD WATER DISTRICT
$40.17
ALDERWOOD WATER DISTRICT
Lynnwood, WA · $40.17/mo
TACOMA WATER DIVISION CITY OF
$55.85
TACOMA WATER DIVISION CITY OF
TACOMA · $55.85/mo

Details

Provider Type
Local Govt
Primary Source
Surface Water
Data Quality
Model estimate
Rate Source
PWSID
WA5386800

Methodology

Rates are standardized to 6,000 gallons per month for a typical residential consumer with a 5/8" or 3/4" meter. Includes fixed base charges and volumetric charges. Excludes taxes, sewer fees, and other surcharges.

Full methodology ↗