Calumet City, Illinois: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 1 community water system serving 37,000+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is Calumet City Tap Water Safe to Drink?
Calumet City currently has 1 active health-based violation across 1 of its 1 water system. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
Calumet City Water Quality Overview
Calumet City, Illinois is served by 1 community water system providing water to approximately 37,000 residents. The system draws from surface water purchased sources. 1 active health-based violation across Calumet City water systems require attention. Including monitoring and reporting violations, there are 21 total violations on record.
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All 1 water system in Calumet City
Looking for water quality data across the whole state? See our full Illinois tap water safety report covering Illinois’s EPA-regulated water systems.
Calumet City Drinking Water: Frequently Asked Questions
Is Calumet City, Illinois tap water safe to drink?
Calumet City currently has 1 active health-based violation across 1 of its 1 water system. Active violations mean affected systems may not meet federal safety standards. Check individual system reports below for details.
How many water utilities serve Calumet City, Illinois?
1 community water system serves Calumet City, Illinois, providing water to approximately 37,000 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does Calumet City 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 Calumet City drinking water?
EPA violation records for Calumet City 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 Calumet City?
Enter your Calumet City 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).