Home / California / 91791
F
15

Failing Water Quality

West Covina, CA 91791

Los Angeles County · Population served: 323,602

Water Systems Serving This Area

🏔
AZUSA LIGHT AND WATER
Surface water · Pop. 110,044
PWSID: CA1910007
🏔
COVINA-CITY, WATER DEPT.
Surface water · Pop. 33,300
PWSID: CA1910127
🏔
COVINA IRRIGATING CO.
Surface water · Pop. 0
PWSID: CA1910128
🏔
VALENCIA HEIGHTS WATER CO.
Surface water · Pop. 7,775
PWSID: CA1910163
🏔
SUBURBAN WATER SYSTEMS-SAN JOSE
Surface water · Pop. 168,843
PWSID: CA1910205

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
19.0
15 ppb 1 ppb Exceeded

PFAS / Forever Chemicals

13 detected 4 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFOA7.7 ppt4 ppt4 pptExceeded
PFBA6.2 pptNo standard500 pptUnregulated
PFOS5.8 ppt4 ppt4 pptExceeded
PFOA5.7 ppt4 ppt4 pptExceeded
PFBS4.4 ppt2000 ppt100 pptBelow limit
PFOS4.4 ppt4 ppt4 pptExceeded
PFHxA4.3 pptNo standard400 pptUnregulated
PFPeA4.0 pptNo standard—Unregulated

Violation History (Last 5 Years)

267Total (5yr)
12Health-Based
132Major