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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 · 10/19/2026
Source: 
Service charge, 5/8x3/4-inch meter: $37.81
Water use, 8.021 CCF at $5.657 (tier 1): $45.37
Customer Assistance Program surcharge, 8.021 CCF at $0.242: $1.94
Total: $85.13/mo
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Utility profile · CA

GSWC - FLORENCE/GRAHAM Water Rates

GSWC - FLORENCE/GRAHAM supplies water to about 64,000 people in Florence-Graham and Huntington Park, California. A typical household using 6,000 gallons a month pays an estimated $85.13, 46% above the national average.

Updated Oct 2026

How much does water cost provided by GSWC - FLORENCE/GRAHAM?

Monthly Rate

$85.13 / month
Read and audited by AI against the official rate schedule

How the bill adds up

Service charge
5/8x3/4-inch meter
 $37.81
Water use
8.021 CCF × $5.657 (tier 1)
 $45.37
Customer Assistance Program surcharge
8.021 CCF × $0.242
 $1.94
Total $85.13

How does GSWC - FLORENCE/GRAHAM's water cost compare to its regional neighbors?

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

MAYWOOD MUTUAL WATER CO. #3
$40.79
MAYWOOD MUTUAL WATER CO. #3
MAYWOOD, CA · $40.79/mo · 3mi
MAYWOOD MUTUAL WATER CO. #2
$46.99
MAYWOOD MUTUAL WATER CO. #2
MAYWOOD, CA · $46.99/mo · 3mi
WALNUT PARK MUTUAL WATER CO.
$50.29
WALNUT PARK MUTUAL WATER CO.
HUNTINGTON PARK, CA · $50.29/mo · 1mi
MAYWOOD MUTUAL WATER CO. #1
$69.64
MAYWOOD MUTUAL WATER CO. #1
HUNTINGTON PARK, CA · $69.64/mo · 3mi
TRACT 349 MUTUAL WATER CO.
$83.44
TRACT 349 MUTUAL WATER CO.
CUDAHY, CA · $83.44/mo · 3mi
GSWC - BELL, BELL GARDENS
$85.12
GSWC - BELL, BELL GARDENS
ANAHEIM, CA · $85.12/mo · 4mi
GSWC - FLORENCE/GRAHAM
$85.13
GSWC - FLORENCE/GRAHAM
ANAHEIM · $85.13/mo
GSWC - WILLOWBROOK
$85.13
GSWC - WILLOWBROOK
ANAHEIM, CA · $85.13/mo · 4mi
CITY OF BELL GARDENS
$88.04
CITY OF BELL GARDENS
DOWNEY, CA · $88.04/mo · 6mi
LIBERTY UTILITIES - LYNWOOD
$91.04
LIBERTY UTILITIES - LYNWOOD
DOWNEY, CA · $91.04/mo · 6mi
LIBERTY UTILITIES - COMPTON
$92.89
LIBERTY UTILITIES - COMPTON
DOWNEY, CA · $92.89/mo · 4mi

Where does GSWC - FLORENCE/GRAHAM 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

63,500

Municipalities served

Florence-Graham Huntington Park

Where does GSWC - FLORENCE/GRAHAM's water come from?

Supply and provider classification from EPA records.

Primary Source
SWP
Provider Type
Private
PWSID
CA1910077

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 GSWC - FLORENCE/GRAHAM's customers?

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

Water Burden

1.8% 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 GSWC - FLORENCE/GRAHAM'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 · 10/19/2026
Confidence label: Model verified

Spot an error, or have a newer rate schedule?