Water Quality in Sudbury, MA (01776)

EPA violation data for public water systems serving ZIP code 01776.

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

19,270

Population

10

Water Systems

15

Violations (5yr)

6

Health-Based

Location

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Water Systems Serving This Area (10)

Sudbury Water District

Groundwater 18,416 people served
1 violation (5yr)
Lead tested: 3.5 ppb (limit: 15 ppb)

Somerville Lumber Company

Groundwater 550 people served
0 violations

Sandy Bottom Estates Mhp

All resolved
Groundwater 168 people served
2 violations (5yr) · All resolved

Maple Ridge Mobile Home Park

All resolved
Groundwater 110 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Three Rivers M H Community

6 health-based
Groundwater 63 people served
11 violations (5yr) · 6 health-based · All resolved

Great Meadow Nwr

Groundwater 29 people served
0 violations

Great Meadow Nwr

Groundwater 25 people served
0 violations

Bluedrop Water @ Lincoln Sudbury Hs

GUP 25 people served
0 violations

Camp Elbanobscot

Groundwater 25 people served
0 violations

Medokawanda

Groundwater 25 people served
0 violations

Contaminants Found

ArsenicHealth-Based

A naturally occurring element that can cause cancer and other health effects at high levels.

5 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

3 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
Has active
Public NoticeMonitoring
2 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
3.5 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Sudbury (01776) has more violations than 74% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 15.

Fewer violations 74th 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.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

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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