Haloacetic Acids (HAA5) in California Drinking Water
196 public water systems in California have historical EPA violation records associated with haloacetic acids (haa5) in the Q2 2026 snapshot.
626
Historical Records in California
196
Systems With Records
About Haloacetic Acids (HAA5)
- EPA Limit
- 60 ppb
- Category
- Disinfection Byproducts
- Health Effects
- Increased cancer risk
- Common Treatment Approaches
- Activated carbon filters
California Systems With the Most Haloacetic Acids (HAA5) Records
Jones Academy
290 served8 historical records
F
Mescalero Community
1,961 served5 historical records
A
Nambe Pueblo
800 served4 historical records
D
Jicarilla Dulce
3,064 served3 historical records
A
Laguna Paguate
757 served3 historical records
A
Zia Pueblo
775 served2 historical records
C
Tunica-Biloxi Tribe of LA
8,103 served2 historical records
A
Taos Pueblo
2,652 served2 historical records
A
Mescalero Inn Of The Mt. Gods
14,542 served2 historical records
A
Kickapoo Traditional Tribe
9,384 served2 historical records
B
San Ildefonso Pueblo
608 served1 historical record
A
Mescalero Carrizo
951 served1 historical record
A
Pojoaque South
3,644 served1 historical record
C
Santa Ana Eastside
759 served1 historical record
A
Laguna Encinal
236 served1 historical record
A
Laguna Valley
4,500 served1 historical record
A
Jemez Pueblo
3,200 served1 historical record
C
San Felipe Pueblo
4,335 served1 historical record
A
Santo Domingo Pueblo
5,328 served1 historical record
B
Picuris Pueblo
150 served1 historical record
A
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.