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How we calculated this

Read by an AI agent (a large language model) from the utility's official rate schedule.

Extracted by: Luna (gpt-6-luna) · 10/03/2026
Source:
Service charge (5/8" x 3/4" meter): $21.66/mo
Water used, 6,000 gal: $27.95/mo
Required water fees and surcharges: $1.18/mo
Total: $50.79/mo

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Utility profile · CA

GREAT OAKS WC INC Water Rates

GREAT OAKS WC INC supplies water to about 110,000 people in San Jose, California. A typical household using 6,000 gallons a month pays an estimated $50.79, 13% below the national average.

Rates effective 2026-07-01

Updated Oct 2026

How much does water cost provided by GREAT OAKS WC INC?

Monthly Rate

$50.79 / month

$49.61 water + $1.18 required fees ⓘ

Read by AI from the official rate schedule

How the bill adds up

Service charge
5/8" x 3/4" meter
$21.66
Water used
12 ccf × $2.9454/ccf ÷ 2 (billed every 2 months)
$17.67
Water used
4.043 ccf × $5.0831/ccf ÷ 2 (billed every 2 months)
$10.28
Required fees and surcharges $1.18
Total $50.79

How does GREAT OAKS WC INC'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 GREAT OAKS WC INC 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

110,088

Municipalities served

Where does GREAT OAKS WC INC's water come from?

Supply and provider classification from EPA records.

Primary Source
Groundwater
Provider Type
Private
PWSID
CA4310022

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 GREAT OAKS WC INC's customers?

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

Water Burden

0.4% 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 GREAT OAKS WC INC'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: Luna (gpt-6-luna) · 10/03/2026
Confidence label: Model estimate

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