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Lemont, Illinois Tap Water Quality

Free EPA data for 23 community water systems serving 21,095+ residents. Click any system to see violations, lead test results, and a safety grade.

LEMONT F
LEMONT, IL · 17,500 people · Groundwater ⚠ 1 active health violation
FRANCISCAN SISTERS OF CHICAGO A
LEMONT, IL · 505 people · Groundwater Purchased ✓ No recent health violations
CITGO PETROLEUM CORPORATION A
LEMONT, IL · 500 people · Groundwater ✓ No recent health violations
COGHILL GOLF COURSES #2&4 A
LEMONT, IL · 400 people · Groundwater ✓ No recent health violations
ST MARY'S SLOVENIAN CATHOLIC CENTER A
LEMONT, IL · 400 people · Groundwater ✓ No recent health violations
COG HILL COUNTRY CLUB A
LEMONT, IL · 340 people · Groundwater ✓ No recent health violations
THE FORGE: LEMONT QUARRIES A
LEMONT, IL · 305 people · Groundwater ✓ No recent health violations
MONTEBELLO ESTATE A
LEMONT, IL · 303 people · Groundwater ✓ No recent health violations
CITGO REFINERY NORTH WELL A
LEMONT, IL · 200 people · Groundwater ✓ No recent health violations
IMTT ILLINOIS LLC - LEMONT B
LEMONT, IL · 110 people · Groundwater 1 health violation in past 5 yrs
REV FITNESS CENTER A
LEMONT, IL · 86 people · Groundwater ✓ No recent health violations
CCI MANUFACTURING A
LEMONT, IL · 57 people · Groundwater ✓ No recent health violations
LEMONT HS SPORTS COMPLEX A
LEMONT, IL · 50 people · Groundwater ✓ No recent health violations
BRUSH HILL BUSINESS CENTER LLC, BLDG 4 A
LEMONT, IL · 50 people · Groundwater ✓ No recent health violations
BRUSH HILL BUSINESS CENTER LLC BLDGS1-3 A
LEMONT, IL · 50 people · Groundwater ✓ No recent health violations
HERITAGE ENVIRONMENTAL A
LEMONT, IL · 45 people · Groundwater ✓ No recent health violations
ILLINOIS MARINE TOWING F
LEMONT, IL · 39 people · Groundwater ⚠ 1 active health violation
1ST CHURCH OF THE NAZARENE A
LEMONT, IL · 30 people · Groundwater ✓ No recent health violations
BUSY BEE MHP #1 A
LEMONT, IL · 25 people · Groundwater ✓ No recent health violations
COG HILL C C CENTER STAND A
LEMONT, IL · 25 people · Groundwater ✓ No recent health violations
COG HILL C C WATERHOLE STAND A
LEMONT, IL · 25 people · Groundwater ✓ No recent health violations
EVEREST ACADEMY A
LEMONT, IL · 25 people · Groundwater ✓ No recent health violations
ILLINOIS MARINE TOWING SHIP YARD A
LEMONT, IL · 25 people · Groundwater ✓ No recent health violations

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Lemont Drinking Water: Frequently Asked Questions

Is Lemont, Illinois tap water safe to drink?

Lemont has 23 community water systems regulated by the EPA. Each system is required to test regularly for hundreds of contaminants and publicly report any violations. Click any water system listed above to see its specific violation history, lead test results, and a plain-English safety grade.

How many water utilities serve Lemont, Illinois?

23 community water systems serve Lemont, Illinois, providing water to approximately 21,095 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.

Does Lemont 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 Lemont drinking water?

EPA violation records for Lemont 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 Lemont?

Enter your Lemont 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).