Newark water and sewer rates

Who supplies water to Newark houses, what it costs, and how the sewer charge works.

Alameda County Water District (ACWD)

ACWD rates for water service inside the District, effective March 1, 2026: a bimonthly service charge of $68.95 for a 5/8 or 3/4 inch meter plus $5.38 per unit (100 cubic feet) for all usage; ACWD bills every other month

Use a monthPrice per unit (CCF, 748 gallons)
Fixed charge$34.48 a month
0 to more$5.38
Source
ACWD supplies the Tri-City area from four sources, including imported Delta and Lake Del Valle water, purchased San Francisco water (from Hetch Hetchy Reservoir or the local Calaveras and San Antonio reservoirs) and desalinated water from its Newark Desalination Facility.
Lead
In 2025 lead and copper sampling, 1 of 58 samples was above the lead action level; the 90th percentile was not detected.

Sewer

Union Sanitary District's annual sewer service charge is collected on the Alameda County property tax bill as "Union Sewer Svc": $661.15 per single-family residence for FY27 (July 1, 2026 to June 30, 2027).

Ways to pay less

  • Income-qualified households: ACWD Help on Tap. ACWD will provide income-qualified residential customers a credit equal to 100% of the bimonthly water service charge, currently $68.95. Approval lasts three years, after which you re-apply. How: Complete the downloadable application, or call ACWD at 510-668-4200 to have one mailed to you.
  • ACWD lawn conversion rebate. ACWD pays single-family homes up to $2 per square foot of lawn converted to a water-efficient landscape with plants, up to a $3,000 rebate. How: Apply through ACWD's Single-Family Residential Water-Efficient Landscape Rebate Program.

Pay or manage it

Sources

  1. ACWD 2025 water quality report
  2. ACWD water rates
  3. Union Sanitary District sewer service charges

Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.