Water Quality in Chilmark, MA (02535)
EPA violation data for public water systems serving ZIP code 02535.
No Health-Based Violations
None of the 13 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are59 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 92% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,244
Population
13
Water Systems
59
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (13)
Menemsha Water Company
All resolvedChilmark Community Center
Aquinnah Restaurant
Aquinnah Wampanoag Housing Authority
Chilmark Tavern
All resolvedChilmark School
Aquinnah Wampanoag
Beach Plum Inn
All resolvedManning'S Restaurant
Menemsha Inn
Inn At Blueberry Hill
Mill Brook Springs
Menemsha School
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
Copper (Cu)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Chilmark (02535) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 59, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.