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How we calculated this
Extracted by: codex/gpt-5.6-luna · 08/14/2026
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 VA 
Fixed: $27.61 quarterly ÷ 3 = $9.20/mo
Volume: 6,000 gal × 3 = 18,000 gal = 18.00 kgal
  0–18.00 kgal  ×  $5.6300/kgal  =  $101.34
  Subtotal: $101.34 quarterly ÷ 3 = $33.78/mo
Total: $9.20 + $33.78 = $42.98/mo
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HERNDON, VA

HERNDON, TOWN OF

HERNDON, TOWN OF serves 24,601 people in HERNDON, VA. The monthly residential water bill at 6,000 gallons is $42.98, 19% below the national average of $52.92.

Updated Aug 2026

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

Monthly Rate

$42.98 / 6k gal
-19% vs natl avg

Volumetric Rate

$7.16 / 1k gal

Population Served

24,601

Water Burden

—
of median zip income · affordability threshold: 2%

Regional Comparison

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

CHARLOTTESVILLE, CITY OF
$13.41
CHARLOTTESVILLE, CITY OF
CHARLOTTESVILLE, VA · $13.41/mo
CHESTERFIELD CO CENTRAL WATER SYSTEM
$27.51
CHESTERFIELD CO CENTRAL WATER SYSTEM
CHESTERFIELD, VA · $27.51/mo
DANVILLE, CITY OF
$30.95
DANVILLE, CITY OF
DANVILLE, VA · $30.95/mo
FAIRFAX COUNTY WATER AUTHORITY
$31.95
FAIRFAX COUNTY WATER AUTHORITY
HERNDON, VA · $31.95/mo
PWCSA - EAST
$32.35
PWCSA - EAST
WOODBRIDGE, VA · $32.35/mo
HERNDON, TOWN OF
$42.98
HERNDON, TOWN OF
HERNDON · $42.98/mo

Details

Provider Type
Local Govt
Primary Source
SWP
Data Quality
Model estimate
Rate Source
PWSID
VA6059550

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 ↗