Rosemead, CA · Los Angeles County
Water quality in Rosemead, CA
15 community water systems are based in Rosemead, CA, collectively serving 225,761 people. See per-utility violations, contaminants, and lead service line status.
At a glance
- Community systems
- 15
- People served
- 226k
- Groundwater systems
- 60%
- 9 systems
- Surface water systems
- 40%
- 6 systems
Community water systems based in Rosemead
Systems whose EPA-filed administrative city is Rosemead, sorted by population served. Regional authorities that serve Rosemead but are based elsewhere are not listed here; check the ZIP lookup for a service-area-based answer.
- 1. CAL AMERICAN WATER CO
Ventura · PWSID CA5610040
67k served - 2. CAL/AM WATER COMPANY - SAN MARINO
Los Angeles · PWSID CA1910139
48k served - 3. SAN GABRIEL COUNTY WD
Los Angeles · PWSID CA1910144
39k served - 4. CAL-AM WATER COMPANY - DUARTE
Los Angeles · PWSID CA1910186
25k served - 5. CAL/AM WATER COMPANY - BALDWIN HILLS
Los Angeles · PWSID CA1910052
21k served - 6. CAL-AM WATER COMPANY - EAST PASADENA
Los Angeles · PWSID CA1910020
9,949 served - 7. BELLFLOWER MUNICIPAL WATER SYSTEM
Los Angeles · PWSID CA1910018
5,999 served - 8. AMARILLO MUTUAL WATER COMPANY
Los Angeles · PWSID CA1910002
3,134 served - 9. CAL AMERICAN WC - LAS POSAS ESTATES
Ventura · PWSID CA5610081
2,039 served - 10. CAL AMERICAN WATER COMPANY - PIRU
Ventura · PWSID CA5610021
2,003 served - 11. CAL AMERICAN WC - RIO PLAZA
Ventura · PWSID CA5610010
1,709 served - 12. CAL AMERICAN - YERBA BUENA
Ventura · PWSID CA5610006
690 served - 13. GOLDEN SANDS MOBILE HOME PARK
Los Angeles · PWSID CA1900649
450 served - 14. SCE/BIG CREEK POWERHOUSE 1
Fresno · PWSID CA1009111
104 served - 15. SCE BISHOP CREEK PLANT 4
Inyo · PWSID CA1400078
38 served