Public water system record
Western MWD (Id A - Rainbow)
Serves an area of Riverside County, CA · 192 people served
Federal records show no health-based violations and no monitoring or reporting issues for Western MWD (Id A - Rainbow) in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Western MWD (Id A - Rainbow) buys its water from Metropolitan Water Dist. of So. Cal.
- Lead pipe inventory: 0 lead and 0 unknown out of 60 service lines.
Check whether Western MWD (Id A - Rainbow) serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Where the water comes from
Western MWD (Id A - Rainbow) buys its water from Metropolitan Water Dist. of So. Cal. It lists no wells or intakes of its own.
Buys water from
- Metropolitan Water Dist. of So. Cal. La Verne, CA
Annual water quality report
Western MWD (Id A - Rainbow) must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Western MWD (Id A - Rainbow) for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells