Water Quality: COLOME, SD
1 water system • 323 people served
No Health ViolationsWater Quality Summary
COLOME is served by 1 public water system with a combined service population of 323 people, and has 94 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. COLOME's violation count is 25% above the national average for South Dakota. Contaminants associated with violations include 1,1,1-Trichloroethane, 1,1,2-Trichloroethane, 1,1-Dichloroethylene, 1,2,4-Trichlorobenzene, 1,2-Dichloroethane.
Contaminants Found
Known human carcinogen strongly associated with leukemia and other blood cell cancers.
Common source: Industrial discharges, gas station leaks, chemical plant emissions
EPA limit: 0.005 mg/L (5 ppb)
Probable human carcinogen associated with increased cancer risk; causes liver and kidney damage.
Common source: Industrial chemical production, fuel additive leaks, contaminated groundwater
EPA limit: 0.005 mg/L (5 ppb)
Known human carcinogen strongly associated with leukemia and other blood cell cancers.
Common source: Industrial discharges, gas station leaks, chemical plant emissions
EPA limit: 0.005 mg/L (5 ppb)
Known human carcinogen strongly associated with leukemia and other blood cell cancers.
Common source: Industrial discharges, gas station leaks, chemical plant emissions
EPA limit: 0.005 mg/L (5 ppb)
Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.
Common source: Water treatment disinfectant added to kill harmful microorganisms
EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)
Known human carcinogen strongly associated with leukemia and other blood cell cancers.
Common source: Industrial discharges, gas station leaks, chemical plant emissions
EPA limit: 0.005 mg/L (5 ppb)
Known human carcinogen linked to liver angiosarcoma; classified as a Group 1 carcinogen by IARC.
Common source: Leaching from PVC pipes; breakdown of industrial solvents in groundwater
EPA limit: 0.002 mg/L (2 ppb)
Known human carcinogen strongly associated with leukemia and other blood cell cancers.
Common source: Industrial discharges, gas station leaks, chemical plant emissions
EPA limit: 0.005 mg/L (5 ppb)
Known human carcinogen strongly associated with leukemia and other blood cell cancers.
Common source: Industrial discharges, gas station leaks, chemical plant emissions
EPA limit: 0.005 mg/L (5 ppb)
Water Systems Serving COLOME
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| COLOME | SD4600094 | Groundwater | 323 | 94 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in South Dakota
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.