Public water system record
Rowland Water District
Serves Rowland Heights, Industry, Hacienda Heights and 1 more place, Los Angeles County, CA · 56,100 people served
Federal records show no health-based violations and no monitoring or reporting issues for Rowland Water District 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
- Rowland Water District buys its water from Metropolitan Water Dist. of So. Cal. and Three Valleys MWD.
- Lead pipe inventory: 0 lead and 0 unknown out of 13,750 service lines.
Check whether Rowland Water District 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
Rowland Water District buys its water from Metropolitan Water Dist. of So. Cal. and Three Valleys MWD. It lists no wells or intakes of its own. It also has a seasonal connection to California Domestic Water Company and an emergency connection to Suburban Water Systems-San Jose. 1 other community water system buys water from Rowland Water District. 1 other public water system has an emergency connection to Rowland Water District.
Buys water from
- Metropolitan Water Dist. of So. Cal. La Verne, CA
- Three Valleys MWD Claremont, CA
Emergency or part-time connections to
- California Domestic Water Company Whittier, CA
- Suburban Water Systems-San Jose Covina, CA
Community systems that buy water from it
- Suburban Water Systems-San Jose Covina, CA
Annual water quality report
Rowland Water District 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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