Rancho Santa Margarita water and sewer rates
Who supplies water to Rancho Santa Margarita houses, what it costs, and how the sewer charge works.
Pay or manage it
Santa Margarita Water District
Santa Margarita Water District single-family rates effective March 1, 2026.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $30.09 a month |
| 0 to 7.54 units | $3.55 |
| 7.54 to more | $4.12 |
Sewer
The wastewater volumetric charge only applies to usage up to the indoor budget for Single-Family Residential.
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.