Haloacetic Acids (HAA5) in Delaware Drinking Water

56 public water systems in Delaware have historical EPA violation records associated with haloacetic acids (haa5) in the Q2 2026 snapshot.

84

Historical Records in Delaware

56

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

Delaware Systems With the Most Haloacetic Acids (HAA5) Records

METLAKATLA

1,575 served13 historical records
F

MAKAH NEAH BAY

1,300 served3 historical records
D

PASCHAL SHERMAN INDIAN SCHOOL

220 served2 historical records
A

WHITE SWAN

900 served2 historical records
D

TAHOLAH

1,600 served2 historical records
A

CUYAMACA

375 served2 historical records
A

NISQUALLY-LESCHI & WEST NISQUALLY

3,200 served2 historical records
A

SANTIAGO WATER ASSOCIATION

95 served2 historical records
A

CHEHALIS TRIBAL HOUSING

620 served2 historical records
A

CTUIR PWD MISSION

1,310 served2 historical records
C

HOH TRIBE

120 served2 historical records
B

PLUMMER TRIBAL COMMUNITY

515 served2 historical records
A

WOLF POINT

125 served2 historical records
A

SIMNASHO SCHOOLIE

350 served1 historical record
A

WARM SPRINGS WATER TREATMENT PLANT

3,800 served1 historical record
B

SKOKOMISH

1,150 served1 historical record
A

BIA NORTH IDAHO

490 served1 historical record
C

SHOALWATER BAY

898 served1 historical record
A

TRIBAL COMPLEX

907 served1 historical record
A

PORT SUSAN CAMP CLUB #2

1,000 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.