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How we calculated this

Read by an AI agent (a large language model) from the utility's official rate schedule, then audited by a second model against the same schedule.

Extracted by: Audit · Claude Opus 5.5 · 10/30/2026
Source:
Fixed water service charge for a 3/4" single-family meter: $58.07 every 2 months, which is $29.04/mo
Tier 1 water: 10 HCF × $7.86 = $78.60 every 2 months
Tier 2 water: 6.042 HCF × $9.15 = $55.28 every 2 months; both tiers together are $66.94/mo
Total: $95.98/mo

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Utility profile · CA

SANTA MONICA-CITY, WATER DIVISION Water Rates

SANTA MONICA-CITY, WATER DIVISION supplies water to about 90,000 people in Santa Monica, California. A typical household using 6,000 gallons a month pays an estimated $95.98, 65% above the national average.

Rates effective 2026-07-01

Updated Oct 2026

How much does water cost provided by SANTA MONICA-CITY, WATER DIVISION?

Monthly Rate

$95.98 / month
Read and audited by AI against the official rate schedule

How the bill adds up

Service charge
3/4 inch meter
$29.04
Water used
10 hcf × $7.86/hcf ÷ 2 (billed every 2 months)
$39.30
Water used
6.043 hcf × $9.15/hcf ÷ 2 (billed every 2 months)
$27.64
Total $95.98

How does SANTA MONICA-CITY, WATER DIVISION's water cost compare to its regional neighbors?

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

Where does SANTA MONICA-CITY, WATER DIVISION provide service?

Population served and the municipalities covered by this utility's service area.

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

Population Served

89,947

Municipalities served

Where does SANTA MONICA-CITY, WATER DIVISION's water come from?

Supply and provider classification from EPA records.

Primary Source
SWP
Provider Type
Local Govt
PWSID
CA1910146

Named intake/well source and interconnections (who this utility buys from or sells to) aren't captured yet — tracked separately for a future update.

Is water affordable for SANTA MONICA-CITY, WATER DIVISION's customers?

Annual bill as a share of median household income in the service area.

Water Burden

1.0% of income (annual)
of median area income · affordability threshold: 2%

We don't yet systematically track whether a utility offers income-based or sliding-scale pricing separate from its standard rates — tracked separately for a future update.

Where did this data come from?

This rate was extracted from SANTA MONICA-CITY, WATER DIVISION's published tariff document by an AI research agent, then checked against a validation checklist before publishing. See the full methodology for how every utility on this site is sourced and scored.

Provenance

Extracted by: Audit · Claude Opus 5.5 · 10/30/2026
Confidence label: Model verified

Spot an error, or have a newer rate schedule?