Highland Park, Illinois: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 1 community water system serving 30,176+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Highland Park Tap Water Safe to Drink?
Based on the latest EPA data, Highland Park tap water meets all federal drinking water standards. All 1 tested system has received a safety grade of A or B, with no active health-based violations.
Highland Park Water Quality Overview
Highland Park, Illinois is served by 1 community water system providing water to approximately 30,176 residents. The system draws from surface water sources. Highland Park water systems have recorded 1 health-based violation in their history, though none are currently active.
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Search by ZIP code to find your exact water provider and see its full EPA report.
All 1 water system in Highland Park
Looking for water quality data across the whole state? See our full Illinois tap water safety report covering Illinois’s EPA-regulated water systems.
Highland Park Drinking Water: Frequently Asked Questions
Is Highland Park, Illinois tap water safe to drink?
Based on the latest EPA data, Highland Park tap water meets all federal drinking water standards. All 1 tested system has received a safety grade of A or B, with no active health-based violations.
How many water utilities serve Highland Park, Illinois?
1 community water system serves Highland Park, Illinois, providing water to approximately 30,176 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Highland Park tap water have lead?
Lead in drinking water typically enters from old pipes and fixtures inside homes and buildings, not from the treatment plant. The EPA requires water systems to monitor for lead under the Lead and Copper Rule. Click any water system above to see its most recent 90th-percentile lead test results. Homes built before 1986 are most likely to have lead plumbing components.
What contaminants have been found in Highland Park drinking water?
EPA violation records for Highland Park water systems are listed on each utility's report page. Common regulated contaminants include disinfection byproducts (TTHMs, HAA5), coliform bacteria, nitrates, and lead. Click any utility above to see its full violation history going back 10 years.
How do I find out which water company serves my address in Highland Park?
Enter your Highland Park ZIP code in the search box at the top of this page. ClearWater will identify the specific water system serving your area and show you its EPA violation history, lead test results, and an overall safety grade. You can also check your water bill or your utility's annual Consumer Confidence Report (CCR).