Water Quality in Dover, NH (03823)

EPA violation data for public water systems serving ZIP code 03823.

Past Health-Based Violations

3 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 13 monitoring/reporting violations.

More violations than 75% of US ZIP codes.

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

2,203

Population

5

Water Systems

16

Violations (5yr)

3

Health-Based

Location

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Water Systems Serving This Area (5)

Dover Water Dept

All resolved
Groundwater 29,000 people served
1 violation (5yr) · All resolved
Lead tested: 1 ppb (limit: 15 ppb)

Rochester Water Dept

1 health-based
Surface water 25,000 people served
1 violation (5yr) · 1 health-based · All resolved

Little Tree Ed Center

1 health-based
Groundwater 100 people served
1 violation (5yr) · 1 health-based · All resolved

Profile Apartments

1 health-based
Groundwater 90 people served
11 violations (5yr) · 1 health-based · All resolved

Madbury Library

All resolved
Groundwater 50 people served
2 violations (5yr) · All resolved

Contaminants Found

Total Haloacetic Acids (HAA5)Health-Based
1 violation
All resolved
ArsenicHealth-Based

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

1 violation
All resolved
Groundwater RuleHealth-Based
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

6 violations
All resolved
Public NoticeMonitoring
3 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jul 2024

How Does This Compare?

Dover (03823) has more violations than 75% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 16.

Fewer violations 75th 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

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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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