Health Violations Found

Water Quality in 03801 — Portsmouth, NH

EPA data for PORTSMOUTH WATER WORKS

Data source: U.S. Environmental Protection Agency (EPA) SDWIS Last verified: March 16, 2026

10
Water Systems
33,000
People Served
2
Health Violations (5yr)
Surface water
Water Source
No data
Lead Level

Your Water System

ZIP code 03801 in Portsmouth, New Hampshire is served by PORTSMOUTH WATER WORKS (EPA ID: NH1951010). This system provides water to approximately 33,000 people from surface water sources.

There are 10 community water systems serving this area.

Lead & Copper in Your Water

No Lead & Copper Rule sampling data available for systems serving this ZIP code.

Violation Summary

2 health-based violations recorded in the past 5 years. All violations have been resolved.

Recent Violations

DateContaminantTypeStatus
October 1, 2023Stage 1 DBP RuleMonitoringResolved
October 1, 2023Stage 1 DBP RuleMonitoringResolved
October 1, 2023Consumer Confidence Report RuleHealth-basedResolved
October 1, 2023Consumer Confidence Report RuleHealth-basedResolved

Contaminants Detected

The following contaminants have been flagged in EPA records for water systems serving this ZIP code:

ContaminantCategoryViolationsHealth-Based
Stage 1 DBP RuleTreatment Technique3No
Consumer Confidence Report RuleReporting2Yes

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Water Systems Serving This Area

System NameEPA IDPopulationSource
PORTSMOUTH WATER WORKSNH195101033,000Surface water
PEASE TRADE PORTNH19510209,900Groundwater
NEW CASTLE WATER WORKSNH1661010910Surface water
HEMLOCK HAVENNH1053020207Groundwater
PIPER MEADOWS PRIVATE COMMUNTYNH0023010125Groundwater

What You Can Do

  1. Request your water system’s Consumer Confidence Report (CCR) — Your utility is required to publish this annually
  2. Consider a home water test — Independent testing can reveal issues in your specific plumbing
  3. Install a certified water filter — NSF-certified filters can address specific contaminants
  4. Contact your water provider — Ask about current treatment and any ongoing remediation

Need help with water testing or filtration?

Call to get connected with a local professional in your area.

Call (855) 384-4856

This is a free service. You will be connected with an independent service provider.

Other Water Quality Reports in New Hampshire

Nearby Water Quality Reports

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for PORTSMOUTH WATER WORKS (NH1951010) on EPA.gov.

Frequently Asked Questions

Is the tap water in 03801 safe to drink?

Portsmouth’s water system has recorded 2 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

Where does 03801’s water come from?

The primary water source for this area is surface water. PORTSMOUTH WATER WORKS serves approximately 33,000 people.

How can I get my water tested?

Contact your local water utility for a free water quality report, or hire a certified lab for independent home water testing. The EPA recommends testing annually if you use a private well.

Does 03801 have lead in the water?

No Lead and Copper Rule sampling data is currently available in EPA records for water systems serving ZIP code 03801. If you are concerned about lead, contact your water utility or have your tap water independently tested.

What is the radon risk in 03801?

Radon zone data is not available for ZIP code 03801. The EPA recommends testing all homes for radon regardless of location, as radon levels can vary significantly even within the same neighborhood.

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