WESTERN MWD - MURRIETA DIVISION
Riverside, CA · 17,453 served
WESTERN MWD - MURRIETA DIVISION serves 17,453 people in Riverside, CA. It has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Score breakdown
Health-based violations (5y)
0
Monitoring violations (5y)
0
Currently unaddressed
0
Overall score
80/100
Violation history (last 5 years)
No violations on record.
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Lead (Lead and Copper Rule)
EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).
PFAS (UCMR5 occurrence data)
System details
- System type
- Community water system
- Water source
- Surface water purchased from another system
- Ownership
- Local government
- Service connections
- 2,868
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Is Riverside, CA tap water safe to drink?
WESTERN MWD - MURRIETA DIVISION has 0 health-based violations in the last 5 years. TapGraded gives this system a B.
Does WESTERN MWD - MURRIETA DIVISION have lead in its water?
The most recent 90th-percentile lead sample is 1.5 ppb, versus the EPA action level of 15 ppb.
Has PFAS been detected in WESTERN MWD - MURRIETA DIVISION's water?
Yes — PFAS was detected at or above the EPA MCL for 2 of the tracked analytes.
Source: EPA SDWIS/ECHO · Data as of 2026Q2