Rockdale drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, and 7 others. Water hardness is 542 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.
Contaminants detected in Rockdale water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Rockdale tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 11 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Radium, Total Trihalomethanes. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Rockdale water?
Monitoring has detected 11 contaminants in Rockdale's water supply: Lead, Arsenic, Copper, Radium, Total Trihalomethanes, Nickel, Barium, Chromium (total), Fluoride, Orthophosphate, Phosphorus Total. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Is Rockdale water hard?
Yes. Rockdale water has a hardness of 542 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Rockdale get its drinking water?
Rockdale'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. Rockdale is served by one water system: ROCKDALE.
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