Woodford County · 5,216 residents · 1 water system
8
Contaminants detected
0
PFAS compounds
40
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
Eureka drinking water comes from groundwater wells. Based on the most recent monitoring data, 8 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 4 others. PFAS testing has been conducted with no detections. Water hardness is 40 mg/L (soft), which is within a typical range for the region.
Contaminants detected in Eureka water
8 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Eureka tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 8 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes. View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Eureka water?
Monitoring has detected 8 contaminants in Eureka's water supply: Lead, Nitrate, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Eureka water have PFAS?
Eureka's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Where does Eureka get its drinking water?
Eureka's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Eureka is served by one water system: EUREKA.
Check your water quality
Enter your address for a detailed report specific to your water system.
On a private well? Search your address for nearby groundwater monitoring data.