Water Quality in Bolton, MA (01740)

EPA violation data for public water systems serving ZIP code 01740.

No Health-Based Violations

None of the 32 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are10 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 65% of US ZIP codes.

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

5,737

Population

32

Water Systems

10

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (32)

Nashoba Regional High School

All resolved
Groundwater 1,057 people served
1 violation (5yr) · All resolved
Lead tested: 46.2 ppb (limit: 15 ppb)

Florence Sawyer School

Groundwater 873 people served
0 violations
Lead tested: 2.9 ppb (limit: 15 ppb)

Crystal Springs Campground, Inc.

Groundwater 510 people served
0 violations

Bolton Office Park

Groundwater 250 people served
0 violations
Lead tested: 1.3 ppb (limit: 15 ppb)

Paragon Communications

Groundwater 210 people served
0 violations
Lead tested: 8.5 ppb (limit: 15 ppb)

Bolton Orchards

Groundwater 200 people served
0 violations

Bolton Spring Farm

Groundwater 200 people served
0 violations

Emerson School

Groundwater 190 people served
0 violations

Camp Virginia

Groundwater 160 people served
0 violations

Regency At Bolton Condominiums

Groundwater 148 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Century Mill Estates

Groundwater 135 people served
0 violations

Twin Springs Golf Course

Groundwater 130 people served
0 violations

Classic Pizza Iii

Groundwater 125 people served
0 violations

Nashoba Valley Winery

Groundwater 100 people served
0 violations

Childrens Horizon Day Care

Groundwater 100 people served
0 violations

Bolton Country Cupboard, Inc.

Groundwater 100 people served
0 violations

The International

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved
Lead tested: 5 ppb (limit: 15 ppb)

Colonial Candies

Groundwater 99 people served
0 violations

Atlantic Microwave Corporation

Groundwater 80 people served
0 violations

Camp Resolute/E.Paul Robsham Scout Res

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

Great Brook Farm, Inc.

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

Bolton Country Manor

Groundwater 60 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

First Parish Of Bolton

Groundwater 50 people served
0 violations

Trinity Church Annex

Groundwater 50 people served
0 violations

Bolton Library And Safety Facility

Groundwater 50 people served
1 violation (5yr)

Sunset Ridge Condominiums

Groundwater 42 people served
0 violations
Lead tested: 0.5 ppb (limit: 15 ppb)

Bolton Corners

Groundwater 30 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Nashoba Park

All resolved
Groundwater 30 people served
3 violations (5yr) · All resolved
Lead tested: 5 ppb (limit: 15 ppb)

Oak And Orchard Tap And Table

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

Broomfield Laboratories

Groundwater 25 people served
0 violations
Lead tested: 3.1 ppb (limit: 15 ppb)

Murphys Insurance/ 737 Main St

Groundwater 25 people served
0 violations

626 Main Street

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

7 violations
Has active
Lead and Copper RuleMonitoring

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

2 violations
All resolved
NitrateMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Approaching limit
8.5 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Bolton (01740) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10, most of which are monitoring/reporting issues.

Fewer violations 65th 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.

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