North Chelmsford, Massachusetts: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 1 community water system serving 7,498+ residents. See violations, PFAS results, lead test results, and safety grades — free.
EPA data last updated: 2026-07-13
Is North Chelmsford Tap Water Safe to Drink?
North Chelmsford has 1 community water system regulated by the EPA. Each system is required to test for over 90 contaminants and report violations. Check individual reports below for specific safety grades and violation history.
North Chelmsford Water Quality Overview
North Chelmsford, Massachusetts is served by 1 community water system providing water to approximately 7,498 residents. The system draws from groundwater sources. North Chelmsford water systems have no recorded health-based violations. Including monitoring and reporting violations, there are 2 total violations on record.
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All 1 water system in North Chelmsford
Looking for water quality data across the whole state? See our full Massachusetts tap water safety report covering Massachusetts’s EPA-regulated water systems.
North Chelmsford Drinking Water: Frequently Asked Questions
Is North Chelmsford, Massachusetts tap water safe to drink?
North Chelmsford has 1 community water system regulated by the EPA. Each system is required to test for over 90 contaminants and report violations. Check individual reports below for specific safety grades and violation history.
How many water utilities serve North Chelmsford, Massachusetts?
1 community water system serves North Chelmsford, Massachusetts, providing water to approximately 7,498 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does North Chelmsford 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 North Chelmsford drinking water?
EPA violation records for North Chelmsford 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 North Chelmsford?
Enter your North Chelmsford 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).