Libertyville

Libertyville, IL receives a water quality score of 76/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 10 public water systems serving the area.

Libertyville's water quality is near the national average. While most systems meet EPA standards, some violations have been recorded. Residents may wish to review their specific water system's report for contaminant details.

Libertyville's score of 76 is 7 points above the Illinois state average of 69, and below the nationwide average of roughly 78/100 across all U.S. states.

Homebuyers considering a move to Libertyville, Illinois, will find that this mid-size city maintains a stable standard of water quality, earning a respectable B grade overall. Serving the community are ten distinct water systems, reflecting the complex infrastructure needs of a municipality nestled in the dense Chicago metropolitan region while sharing agricultural downstate influences. While the current score indicates a generally reliable supply, the presence of multiple systems means local water conditions can vary depending on which system services a specific property. Consequently, residents can expect generally sound water quality, though staying informed about their specific local supplier remains a practical step.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Illinois water quality rankings report →