Charlestown Water Works

EPA’s September 2026 export lists Charlestown Water Works (PWSID NH0411010) as No current violation flagged, serving a reported 2,850 people from a ground water source, with 0 rules in current violation.

Source: EPA SDWIS system-search export · Snapshot 13 Sep 2026 · Federal compliance fields

CURRENT EXPORTNo current violation flaggedNo current violation is flagged in this EPA export. This is not a household water test.

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01 / CURRENT FLAGS

EPA compliance flags for Charlestown Water Works

Charlestown Water Works is listed as no current violation flagged in the current export; the five federal flag categories remain separate below.

NOT FLAGGED
Health-based violationCurrent HEALTH_FLAG in the EPA export.
NOT FLAGGED
Monitoring and reportingCurrent MR_FLAG in the EPA export.
NOT FLAGGED
Public notificationCurrent PN_FLAG in the EPA export.
NOT FLAGGED
Other violationCurrent OTHER_FLAG in the EPA export.
NOT FLAGGED
Serious violatorCurrent serious-violator status in the EPA export.

Important limit

This page is not a household water test. A clear federal flag does not prove every home has safe water, and a flag is not a measurement at your faucet. Plumbing, service lines, local sampling, private wells, and newer events may not be reflected here.

02 / VIOLATION RECORD

Quarters with violations2rolling history field

Quarters with SNC0significant noncompliance

Rules in current violation0EPA export count

Rules in 3-year window1EPA export count

Current rule entries for Charlestown Water Works

EPA supplied 1 current contaminant, rule, or violation-category entries for Charlestown Water Works in the exported fields used here.

Monitoring and Reporting

Three-year entries for Charlestown Water Works

EPA supplied 2 contaminant or rule entries for Charlestown Water Works in the three-year history field.

2456=Total Haloacetic Acids (HAA5)
2950=TTHM

03 / OVERSIGHT & COVERAGE

Visits and sanitary surveys for Charlestown Water Works

The export lists 5 site visits in five years and 0 significant deficiencies for Charlestown Water Works.

Site visits, past 5 years: 5
Inspection visits: 0
Other visits: 5
Last sanitary survey: 05/28/2025
Last recorded visit: 05/28/2025
Significant deficiencies: 0

Places served by Charlestown Water Works

EPA associates Charlestown Water Works with the listed cities, counties, ZIP codes, and New Hampshire service area identifiers.

State / territory: New Hampshire
Cities: CHARLESTOWN
Counties: Sullivan
ZIP codes: Not supplied
Federal PWSID: NH0411010
Registry ID: 110013250052

04 / HOW TO USE THIS RECORD

Current public records for Charlestown Water Works

EPA’s facility report, the New Hampshire drinking-water program, and Charlestown Water Works’s Consumer Confidence Report are the current public records beyond this September 2026 snapshot.

Confirm current conditions with the utility's latest Consumer Confidence Report, your state drinking-water program, and the EPA facility report. For household concerns, ask a qualified local laboratory about tap testing.

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