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PUBLIC WATER SYSTEM REPORT
Is CAMBRIDGE WATER DEPARTMENT Water Safe to Drink in 2026?
Massachusetts · PWSID MA3049000 · Surface water
Population served
118,214
Cities served
CAMBRIDGE
State / jurisdiction
Massachusetts (MA)
PWSID
MA3049000
D-
TAP WATER GRADE
Poor
Model score 51/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
70 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
4.8
4 ppt
Exceeds
Above health advisory
PFPeA
3.6
—
Within / n/a
Unregulated (monitored)
PFHxA
3.1
—
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 CAMBRIDGE WATER DEPARTMENT has not yet been published on WaterCheckup.
Are you the water operator for CAMBRIDGE 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 CAMBRIDGE 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 70 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 CAMBRIDGE WATER DEPARTMENT · Chosen for CAMBRIDGE WATER DEPARTMENT because PFAS was detected at 4.8 ppt in UCMR5 — above the 4 ppt limit for some regulated compounds — and this system shows 70 violation record(s) in the latest federal snapshot. RO removes 99%+ of PFAS at the tap.
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