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PUBLIC WATER SYSTEM REPORT
Is HOPKINTON WATER DEPARTMENT Water Safe to Drink in 2026?
Massachusetts · PWSID MA2139000 · Ground water
Population served
12,586
Cities served
HOPKINTON
State / jurisdiction
Massachusetts (MA)
PWSID
MA2139000
D-
TAP WATER GRADE
Poor
Model score 51/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
24 violation record(s) in the latest EPA SDWA quarterly snapshotPFAS above EPA MCL (UCMR5 regulated compounds)
CONTAMINANTS — EPA UCMR5 MONITORING
Compound
Level (ppt)
EPA limit
Health guideline
Status
PFOAregulated
7.2
4 ppt
Exceeds
Above health advisory
PFBA
6.2
—
Within / n/a
Unregulated (monitored)
PFPeA
5.8
—
Within / n/a
Unregulated (monitored)
PFBS
5.5
—
Within / n/a
Unregulated (monitored)
PFHxA
4.6
—
Within / n/a
Unregulated (monitored)
Source: EPA UCMR5 · ppt = parts per trillion · MCL = enforceable limit for regulated PFAS
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for HOPKINTON WATER DEPARTMENT has not yet been published on WaterCheckup.
Are you the water operator for HOPKINTON WATER DEPARTMENT? Publish your official CCR here for free — your customers are already finding this page.
Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact HOPKINTON WATER DEPARTMENTdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 24 violation-related records with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
WHY THIS FOR HOPKINTON WATER DEPARTMENT · Chosen for HOPKINTON WATER DEPARTMENT because PFAS was detected at 7.2 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 24 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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