Chloramine in Colorado Drinking Water
203 public water systems in Colorado have historical EPA violation records associated with chloramine in the Q2 2026 snapshot.
332
Historical Records in Colorado
203
Systems With Records
About Chloramine
- EPA Limit
- 4000 ppb
- Category
- Disinfectant
- Health Effects
- Eye and nose irritation, stomach discomfort, anemia
- Common Treatment Approaches
- Catalytic carbon filters
Colorado Systems With the Most Chloramine Records
WHITE MESA WATER SYSTEM
300 served4 historical records
C
WYOLA WATER SYSTEM
281 served3 historical records
C
ARAPAHOE COMM WATER SYSTEM
4,100 served3 historical records
B
PRYOR WATER SYSTEM
406 served2 historical records
C
DAKOTA MAGIC CASINO
2,360 served2 historical records
D
ROCKY BOY'S RURAL WATER
2,000 served2 historical records
C
ETHETE WATER SYSTEM
1,950 served2 historical records
C
FORT THOMPSON WATER SYSTEM
1,357 served1 historical record
B
ARAPAHOE INDUSTRIAL PARK
650 served1 historical record
B
HOT SPRINGS COURT
55 served1 historical record
D
RED CLOUD SCHOOL
501 served1 historical record
C
CROW AGENCY WATER SYSTEM
2,057 served1 historical record
C
AMERICAN HORSE SCHOOL
400 served1 historical record
B
FRAZER WATER SYSTEM
452 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
FORT BELKNAP AGENCY WATER SYSTEM
2,600 served1 historical record
F
WHITEROCKS WATER SYSTEM
812 served1 historical record
B
URIAH HEEPS SPRING WATER SYSTEM
3,750 served1 historical record
D
These counts describe historical compliance records, not present concentrations or household test results. Confirm current conditions with the utility's latest Consumer Confidence Report.