Is Moreno Valley, CA tap water safe?
Data: U.S. EPA · How we read the data · How we check it
Summary
No federal limits exceeded in EPA data for Eastern Municipal Water District.
3 public water systems serve parts of Moreno Valley. The largest, Eastern Municipal Water District, serves 659,923 people. Your water bill names your system.
Largest system
Eastern Municipal Water District
659,923 people · Purchased surface water · EPA ID CA3310009
Buys treated water from Rancho California Water District, Western Municipal Water District, Lake Hemet Municipal Water District, Metropolitan Water District of SO. Cal., Elsinore Valley Municipal Water District.
| PFAS | Highest average | Limit |
|---|---|---|
| PFOA Not detected | – | 4 ppt |
| PFOS Not detected | – | 4 ppt |
| PFHxS Not detected | – | 10 ppt |
| PFNA Not detected | – | 10 ppt |
| HFPO-DA (GenX) Not detected | – | 10 ppt |
ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.
Lead: 2.8 ppb at the 90th percentile (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0
Across California, 129 of 691 water systems EPA tested had PFAS above a 2024 federal limit, and 26 systems were above the lead action level in results from the last five years. California results.
Moreno Valley homes and lead pipes
Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.
Housing: Census American Community Survey 2020–2024 5-year estimates for Moreno Valley city (tables B25034, B25003). Estimates for small places have a margin of error.
Other water systems serving Moreno Valley
- Elsinore Valley Municipal Water District169,455 people · Surface water · California · reported ZIPs hereLithium above screening level
- Western Municipal Water District87,955 people · Purchased surface water · California · reported ZIPs herePFHxS detectedAlso: Lithium above screening level
How nearby cities compare
| City | PFAS | Lead (90th pct.) |
|---|---|---|
| Loma Linda 9 mi City of Loma Linda | None above limits | 0 ppb |
| Redlands 9 mi Redlands City Municipal Utility District – Water Division | Above limit | 2.9 ppb |
| Perris 9 mi Eastern Municipal Water District | None above limits | 2.8 ppb |
| Riverside 11 mi City of Riverside | None above limits | 1 ppb |
| Colton 11 mi West Valley Water District | None above limits | 0 ppb |
| Yucaipa 12 mi Beaumont Cherry Valley Water District | None above limits | 7.8 ppb |
Moreno Valley ZIP codes (4)
- 92551
- 92553
- 92555
- 92557
Questions
Is Moreno Valley tap water safe to drink?
Eastern Municipal Water District has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.
Who supplies water in Moreno Valley, CA?
3 public water systems serve parts of Moreno Valley. The largest is Eastern Municipal Water District (659,923 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.
Does Moreno Valley tap water have PFAS?
None detected above EPA's reporting limits. Eastern Municipal Water District had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.
Do Moreno Valley homes have lead pipes?
Census estimates put 19% of Moreno Valley homes as built before 1980 (California: 56%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Eastern Municipal Water District's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.
Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.