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How we calculated this
Extracted by: codex/gpt-5.6-luna · 08/22/2026
Source:
Quality checks: 9/9 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 AZ
Fixed: $11.62/mo
Volume: 6,000 gal = 6.00 kgal
  0–3 kgal  ×  $4.5900/kgal  =  $13.77
  3–6.00 kgal  ×  $7.1100/kgal  =  $21.33
Total: $11.62 + $35.10 = $46.72/mo

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Ft Defiance, AZ Water Rates — Fort Defiance-Window Rock-St Michaels NTUA

Fort Defiance-Window Rock-St Michaels NTUA serves 12,869 people in Ft Defiance, AZ. The monthly residential water bill at 6,000 gallons is $46.72, 11% below the national average of $52.39.

Updated Aug 2026

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

Monthly Rate

$46.72 / 6k gal
-11% vs natl avg

Volumetric Rate

$7.79 / 1k gal

Population Served

12,869

Water Burden

of median zip income · affordability threshold: 2%

Nearby Utilities

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

Not enough nearby utilities with published rates yet.

Details

Provider Type
Native American
Primary Source
Groundwater
Data Quality
Model estimate
Rate Source
PWSID
NN0403000

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 ↗