Water Quality in Hopkinton, MA (01748)

EPA violation data for public water systems serving ZIP code 01748.

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

19,358

Population

11

Water Systems

11

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (11)

Hopkinton Water Department

Groundwater 12,586 people served
0 violations
Lead tested: 7.4 ppb (limit: 15 ppb)

Metrowest Ymca

Groundwater 700 people served
4 violations (5yr)
Lead tested: 1.2 ppb (limit: 15 ppb)

New England Laborers Training Academy

All resolved
Groundwater 200 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Hopkinton Country Club

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

Carbones Restaurant Inc.

All resolved
Groundwater 125 people served
5 violations (5yr) · All resolved

Deerfield Estates

Groundwater 100 people served
0 violations
Lead tested: 13 ppb (limit: 15 ppb)

Estates At Highland Ridge

Groundwater 100 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

The Preserve At Hopkinton Condo

1 health-based
Groundwater 80 people served
1 violation (5yr) · 1 health-based · All resolved
Lead tested: 4.5 ppb (limit: 15 ppb)

Maillet Woods Condominiums

Groundwater 55 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Village At Highland Park

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

Freedom Discount Beverage

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

8 violations
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

3 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
7.4 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Hopkinton (01748) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11.

Fewer violations 67th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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