Vinyl Chloride in Colorado Drinking Water
157 public water systems in Colorado have historical EPA violation records associated with vinyl chloride in the Q2 2026 snapshot.
274
Historical Records in Colorado
157
Systems With Records
About Vinyl Chloride
- EPA Limit
- 2 ppb
- Category
- Organic
- Health Effects
- Increased cancer risk
- Common Treatment Approaches
- Granular activated carbon
Colorado Systems With the Most Vinyl Chloride Records
DAKOTA MAGIC CASINO
2,360 served4 historical records
D
HOT SPRINGS COURT
55 served3 historical records
D
WYOLA WATER SYSTEM
281 served3 historical records
C
ETHETE WATER SYSTEM
1,950 served3 historical records
C
ARAPAHOE INDUSTRIAL PARK
650 served2 historical records
B
ROCKY BOY'S RURAL WATER
2,000 served2 historical records
C
ARAPAHOE COMM WATER SYSTEM
4,100 served2 historical records
B
FORT THOMPSON WATER SYSTEM
1,357 served1 historical record
B
ROSEBUD RURAL WATER SYSTEM
5,500 served1 historical record
B
RED CLOUD SCHOOL
501 served1 historical record
C
PRYOR WATER SYSTEM
406 served1 historical record
C
CROW AGENCY WATER SYSTEM
2,057 served1 historical record
C
AMERICAN HORSE SCHOOL
400 served1 historical record
B
LOWER BRULE RURAL WATER SUPPLY SYSTEM
1,637 served1 historical record
C
WOUNDED KNEE DISTRICT SCHOOL
280 served1 historical record
D
WHITE MESA WATER SYSTEM
300 served1 historical record
C
ROCKY BOY AGENCY WATER SYSTEM
1,442 served1 historical record
C
MNIHNAPA WATER SYSTEM
220 served1 historical record
A
HAYS/WHITE COW CANYON WS
840 served1 historical record
A
WHITEROCKS WATER SYSTEM
812 served1 historical record
B
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.