Sandwich, Massachusetts Water Quality Report
Water quality data for 2 water systems serving 79,250 people.
Water Source
Detected Contaminants
No contaminant data available for this location.
Get a Free Water Quality Consultation
Connect with a certified water treatment professional in Sandwich, Massachusetts.
Get Water Quality Alerts
Be the first to know when water quality changes in Sandwich.
Compliance & Violations
Resolved Violations (45)
3A
Apr 1, 2025 — Apr 30, 2025
22
Aug 1, 2009 — Aug 31, 2009
22
Aug 1, 2009 — Aug 31, 2009
22
Jul 1, 2009 — Jul 31, 2009
22
Jul 1, 2009 — Jul 31, 2009
+ 40 more resolved violations
Frequently Asked Questions
Is Sandwich tap water safe to drink?
Sandwich's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.
What contaminants are in Sandwich tap water?
0 contaminants have been detected in Sandwich's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Sandwich?
Install a water filter rated for the specific contaminants found in Sandwich's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.