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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. This bill is for the main service area; customers in 5 other rate areas (Inside Auburn, Inside Des Moines, Inside Edgewood, …) pay different rates.
Fixed charge, 5/8" meter: $18.37/mo Water use: 16 ccf at $2.23 + 0.043 ccf at $4.22 per two-month bill = $35.86, or $17.93/mo Total: $36.30/mo
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Utility profile · WA
LAKEHAVEN WATER AND SEWER DISTRICT supplies water to about 150,000 people in Federal Way, Lakeland South, and 3 other places in Washington. A typical household using 6,000 gallons a month pays an estimated $36.30 in the main service area, 38% below the national average.
Rates effective 2026-01-01
Updated Oct 2026
This bill is for the main service area; customers in 5 other rate areas (Inside Auburn, Inside Des Moines, Inside Edgewood, …) pay different rates.
| Service charge 5/8" meter |
$18.37 |
| Water used 16 ccf × $2.23/ccf ÷ 2 (billed every 2 months) |
$17.84 |
| Water used 0.04278 ccf × $4.22/ccf ÷ 2 (billed every 2 months) |
$0.09 |
| Total | $36.30 |
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 LAKEHAVEN WATER AND SEWER DISTRICT'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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