San Jacinto water and sewer rates
Who supplies water to San Jacinto houses, what it costs, and how the sewer charge works.
City of San Jacinto
A flat rate by meter size plus a per-unit charge (1 unit = 748 gallons): $3.15 for 0-11 units and $3.90 above 11 for single-family residential, and a $1.77 H20 Adjudication Surcharge.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $24.89 a month |
| 0 to 11 units | $4.92 |
| 11 to more | $5.67 |
Eastern Municipal Water District
EMWD bills a daily service charge and a daily supply and reliability capital projects charge, plus four budget-based tiers per billing unit (748 gallons): Tier 1 for the first 20 percent of your monthly water budget, Tier 2 for the rest of the budget, and Tiers 3 and 4 for use over the budget. EMWD lists a separate Tier 2 rate for its 'Parts of San Jacinto Valley' service area ($4.26 per billing unit in 2026, $4.68 in 2027); the Tier 2 shown here is the rate EMWD lists for its other service areas, which include portions of San Jacinto, so check which area your address is in.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $26.46 a month |
| 0 to 3.6 units | $1.55 |
| 3.6 to 18 units | $4.51 |
| 18 to 27 units | $7.68 |
| 27 to more | $14.85 |
Lake Hemet Municipal Water District
Lake Hemet MWD's Hemet/San Jacinto Valley rates are a monthly service charge by meter size plus three tiers per CCF (0 to 5, 6 to 13 and over 13), and a power zone pumping charge per CCF that depends on the power zone.
| Use a month | Price per unit (CCF, 748 gallons) |
|---|---|
| Fixed charge | $36.30 a month |
| 0 to 5 units | $2.52 |
| 5 to 13 units | $2.72 |
| 13 to more | $4.32 |
- Source
- Ten wells along the San Jacinto River from Valle Vista to San Jacinto supply most of the water; in 2025, 2.9% of domestic demand was purchased from EMWD.
- Hardness
- Hardness averaged 154 ppm (range 59 to 296) in 2024-25 samples.
- Lead
- Lead at household taps in 2025: the 90th percentile of 37 samples was ND (not detected), with zero sites over the action level.
- Monitoring
- The 2025 report says the system failed to monitor as required for drinking water standards during 2023.
Sewer
The City’s sewer notice lists $8.22 per EDU; the $40.31 per sewage unit is listed as subject to EMWD updated rates and will be charged in addition to the City’s rates.
Ways to pay less
- EMWD customers: check your water budget. Your EMWD water budget uses 47 gallons per person per day indoors plus your irrigated area, which is listed on your bill; use over the budget is charged at higher rates. Irrigated areas may be customized through EMWD's variance process. How: Check the estimated irrigated area listed on your EMWD bill; it can be customized through EMWD's variance process.
Dates
| When | What |
|---|---|
| Jan 1, 2027 | EMWD's 2027 water rates start for bills dated on or after January 1 (Tier 2 rises from $4.51 to $4.88 per billing unit; in its 'Parts of San Jacinto Valley' service area, from $4.26 to $4.68). |
| Jan 1, 2027 | The City of San Jacinto's water rates change on January 1, 2027: the council adopted Resolution No. 4145 on August 4, 2026 (motion carried 4/1). |
Pay or manage it
Sources
- www.sanjacintoca.gov/san_jacinto_water_billing
- sanjacintoca.hosted.civiclive.com/25-26%20Water%20Rates.pdf
- www.emwd.org/residential-water-budgets-and-rates
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.