South Yarmouth, Massachusetts: Is the Tap Water Safe to Drink?
2026 EPA water quality data for 1 community water system serving 200+ residents. See violations, PFAS results, lead test results, and safety grades — free.
Is South Yarmouth Tap Water Safe to Drink?
Based on the latest EPA data, South Yarmouth 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.
South Yarmouth Water Quality Overview
South Yarmouth, Massachusetts is served by 1 community water system providing water to approximately 200 residents. The system draws from groundwater sources. South Yarmouth water systems have no recorded health-based violations. Including monitoring and reporting violations, there are 7 total violations on record.
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All 1 water system in South Yarmouth
Looking for water quality data across the whole state? See our full Massachusetts tap water safety report covering Massachusetts’s EPA-regulated water systems.
South Yarmouth Drinking Water: Frequently Asked Questions
Is South Yarmouth, Massachusetts tap water safe to drink?
Based on the latest EPA data, South Yarmouth 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 South Yarmouth, Massachusetts?
1 community water system serves South Yarmouth, Massachusetts, providing water to approximately 200 people. Different neighborhoods may be served by different utilities. Enter your ZIP code at the top to find your specific provider.
Does South Yarmouth 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 South Yarmouth drinking water?
EPA violation records for South Yarmouth 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 South Yarmouth?
Enter your South Yarmouth 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).