Lake Forest water and sewer rates
Who supplies water to Lake Forest houses, what it costs, and how the sewer charge works.
Irvine Ranch Water District
Irvine Ranch Water District publishes residential rates for detached, condo and apartment dwelling units in its FY26-27 rate schedule.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $15.60 a month |
| 0 to 3.21 units | $2.18 |
| 3.21 to more | $2.92 |
Sewer
Irvine Ranch Water District monthly sewer service charge for single-family homes is $38.10 when average monthly water use is 5.01-10.0 ccf.
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.