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How we calculated this
Extracted by: codex/gpt-5.6-luna · 08/14/2026
Source:
Quality checks: 8/9 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 MA
Fixed: $50.00 quarterly ÷ 3 = $16.67/mo
Volume: 6,000 gal × 3 = 18,000 gal = 24.06 cf
  0–24.06 cf  ×  $8.5500/cf  =  $205.75
  Subtotal: $205.75 quarterly ÷ 3 = $68.58/mo
Total: $16.67 + $68.58 = $85.25/mo

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HOLBROOK, MA

RANDOLPH/HOLBROOK JOINT WATER BOARD

RANDOLPH/HOLBROOK JOINT WATER BOARD serves 45,767 people in HOLBROOK, MA. The monthly residential water bill at 6,000 gallons is $85.25, 60% above the national average of $53.15.

Updated Aug 2026

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

Monthly Rate

$85.25 / 6k gal
+60% vs natl avg

Volumetric Rate

$14.21 / 1k gal

Population Served

45,767

Water Burden

of median zip income · affordability threshold: 2%

Details

Provider Type
Local Govt
Primary Source
Surface Water
Data Quality
Model estimate
Rate Source
PWSID
MA4244001

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 ↗