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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.
Monthly service charge, 5/8×3/4" meter (Schedule ME-1-R, which covers Hawthorne): $37.81 Usage: 8.021 Ccf × $5.657 Tier 1 = $45.37 (shown as $45.38 so the components add up) CAP low-income program surcharge: 8.021 × $0.242 = $1.94 Total: $85.13/mo
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Utility profile · CA
GSWC - SOUTHWEST supplies water to about 280,000 people in Hawthorne, Gardena, and 9 other places in California. A typical household using 6,000 gallons a month pays an estimated $85.13, 46% above the national average.
Updated Oct 2026
| Monthly service charge 5/8×3/4" meter (Schedule ME-1-R, which covers Hawthorne) |
$37.81 |
| Total | $85.13 |
Monthly cost (6k gal) vs up to 10 nearest utilities with published rates. Click to navigate.
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.
Municipalities served
Supply and provider classification from EPA records.
Named intake/well source and interconnections (who this utility buys from or sells to) aren't captured yet — tracked separately for a future update.
Annual bill as a share of median household income in the service area.
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.
This rate was extracted from GSWC - SOUTHWEST'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.
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