Gross Alpha in Colorado Drinking Water
145 public water systems in Colorado have historical EPA violation records associated with gross alpha in the Q2 2026 snapshot.
491
Historical Records in Colorado
145
Systems With Records
About Gross Alpha
- EPA Limit
- 15 pCi/L
- Category
- Radionuclides
- Health Effects
- Increased cancer risk
- Common Treatment Approaches
- Reverse osmosis, ion exchange
Colorado Systems With the Most Gross Alpha Records
DAKOTA MAGIC CASINO
2,360 served10 historical records
D
MNIHNAPA WATER SYSTEM
220 served3 historical records
A
URIAH HEEPS SPRING WATER SYSTEM
3,750 served3 historical records
D
ASHLAND COMMUNITY WATER SYSTEM
210 served2 historical records
B
WOUNDED KNEE WATER SYSTEM
255 served2 historical records
C
ARAPAHOE COMM WATER SYSTEM
4,100 served2 historical records
B
BLACKFEET DORM. WATER SYSTEM
66 served1 historical record
A
BIG BEND WATER SYSTEM
80 served1 historical record
B
CROW CREEK SIOUX TRIBE WATER SYSTEM
130 served1 historical record
B
FORT THOMPSON WATER SYSTEM
1,357 served1 historical record
B
MILK`S CAMP WATER SYSTEM
50 served1 historical record
C
HOT SPRINGS COURT
55 served1 historical record
D
BUSBY COMMUNITY WATER SYSTEM
535 served1 historical record
C
BIRNEY VILLAGE
96 served1 historical record
C
LAME DEER WATER SYSTEM
2,605 served1 historical record
C
PRYOR WATER SYSTEM
406 served1 historical record
C
CROW AGENCY WATER SYSTEM
2,057 served1 historical record
C
FRAZER WATER SYSTEM
452 served1 historical record
B
TOWAOC WATER SYSTEM
2,020 served1 historical record
D
WAKPAMNI WATER SYSTEM
104 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.