Fountain Valley water and sewer rates
Who supplies water to Fountain Valley houses, what it costs, and how the sewer charge works.
City of Fountain Valley
City of Fountain Valley Water Division: a monthly water meter service charge ($10.47 for a 3/4- or 5/8-inch meter) plus $4.36 per HCF for all customer classes inside city limits (FY 2026-27 fee schedule).
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $10.47 a month |
| 0 to more | $4.36 |
- Source
- Six City wells and one imported water connection; the wells pump from the Orange County Groundwater Basin managed by OCWD. In 2025 the City provided only groundwater.
- Lead
- Lead at household taps: 90th percentile 6 ppb, 0 of 33 sites over the 15 ppb action level (2024 sampling). The City found no lead service lines in its inventory.
- PFAS
- PFHxS has been detected at up to 3.5 parts per trillion, below the federal limit of 10 ppt but above the state notification level of 2 ppt.
Sewer
City of Fountain Valley monthly sewer rate for a residential 5/8-, 3/4- or 1-inch meter: $7.75 (FY 2026-27 fee schedule). OC San's regional sewer service fee is separate and is on the property tax bill.
Ways to pay less
- Water-saving rebates. Through the Municipal Water District of Orange County, the City offers residential rebates for high-efficiency clothes washers and toilets, rain barrels, rotating sprinkler nozzles, smart irrigation timers, soil moisture sensors and turf removal. Funding is limited. How: Check availability at mwdoc.com/save-water/water-use-efficiency before you buy.
- Free home water survey. The Water Smart Home Certification Program offers homeowners a free home water survey that identifies potential water savings inside and outside the home. How: Visit OC Water Smart (linked from the City's Water Efficiency Rebates & Programs page).
Pay or manage it
Sources
- City of Fountain Valley Water Division
- City of Fountain Valley 2026 Water Quality Report
- City of Fountain Valley: PFAS in drinking water
- City of Fountain Valley: water efficiency rebates and programs
- OC San: sewer rates and claim forms
Checked October 21, 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.