Water Quality in Williamstown, MA (01267)

EPA violation data for public water systems serving ZIP code 01267.

No Health-Based Violations

None of the 30 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 62% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

9,633

Population

30

Water Systems

8

Violations (5yr)

0

Health-Based

Location

Loading map...

Water Systems Serving This Area (30)

Williamstown Water Dept

Groundwater 7,326 people served
0 violations

Mt Greylock Regional School

Groundwater 930 people served
0 violations
Lead tested: 0.21 ppb (limit: 15 ppb)

Sweet Wood Retirement Community

Groundwater 200 people served
0 violations
Lead tested: 0.62 ppb (limit: 15 ppb)

Oneills Cafe

Groundwater 150 people served
0 violations

Waubeeka Golf Links Llc

Groundwater 100 people served
0 violations

Sweet Brook Nursing Home

Unknown 100 people served
0 violations

The Taconic Restaurant

Groundwater 75 people served
0 violations

Prospect Mountain

All resolved
Groundwater 75 people served
1 violation (5yr) · All resolved

Williams College Center For Env Studies

Surface water 70 people served
0 violations

Waubeeka Springs

Groundwater 50 people served
0 violations
Lead tested: 0.8 ppb (limit: 15 ppb)

Berkshire Hills Motel

Groundwater 40 people served
0 violations

1896 House Pondside

Groundwater under influence of surface water 34 people served
0 violations

1896 House Restaurant

Groundwater under influence of surface water 34 people served
0 violations

1896 House Brookside

Groundwater under influence of surface water 34 people served
0 violations

Sand Spring Spa

Groundwater 30 people served
0 violations

Mt Hope Farm

Groundwater 27 people served
0 violations

Boys Club Day Camp

Groundwater 25 people served
0 violations

Woodlife Farm Market

All resolved
Groundwater 25 people served
7 violations (5yr) · All resolved

Mt Carmel Retreat Center

Groundwater 25 people served
0 violations

Sand Springs Springwater Co Inc (B)

Groundwater 25 people served
0 violations

Inst For Intl Cooperation And Devlpmt

Groundwater 25 people served
0 violations

Western Mass. Girls Scout Duplic

Groundwater 25 people served
0 violations

Margaret Lindley Park

Groundwater 25 people served
0 violations

Sweet Farm Homeowners Association

Purchased groundwater 25 people served
0 violations
Lead tested: 0.33 ppb (limit: 15 ppb)

Spruce'S Cabins

Groundwater 25 people served
0 violations

Camp Murial Flagg

Groundwater 25 people served
0 violations

Privacy Campground

Groundwater 25 people served
0 violations

Mill On The Floss

Groundwater 25 people served
0 violations

Mezze Inc

Groundwater 25 people served
0 violations

Cold Spring Inc Inact

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

7 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0.33 ppb measured Action level: 15 ppb

Sampled: Jun 2025

How Does This Compare?

Williamstown (01267) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, most of which are monitoring/reporting issues.

Fewer violations 62th percentile More violations

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.

Nearby ZIP Codes

Check Another ZIP Code