Cambridge Water Department
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in MA · PWSID MA3049000
Cambridge Water Department serves 118,403 people. PFAS detected above health guidelines (Perfluorooctanesulfonic acid, Perfluorooctanoic acid) — full contaminant breakdown below.
- People served
- 118,403
- Last EPA sample
- 2025-09-15
- PFAS
- Detected (2 compounds)
- Health-based violations since 2020
- 0
Data sources: EPA SDWIS, Cambridge Water Department's published Consumer Confidence Report, and compliance monitoring reported to EPA by Massachusetts MassDEP.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official Cambridge Water Department Resources
Help Paying Your Cambridge Water Department Water Bill
- Ask Cambridge Water Department about payment plans and assistance.
- Call 211 to reach local help with utility bills.Verified from 211.org
- Find your local Community Action Agency.Verified from communityactionpartnership.com
- The federal water-bill program (LIHWAP) ended in March 2024.Verified from acf.govVerified from csd.ca.gov
Water outage or no water?
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Massachusetts
Cambridge Water Department Service Area
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This map shows the approximate service area for Cambridge Water Department. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Cambridge Water Department Water Quality Grade
Not graded: Warning
Cambridge Water Department reads Warning. A letter grade is given only beside a Safe verdict.
Is Cambridge Water Department Water Safe to Drink?
Cambridge Water Department has reported 4 contaminants above EPA health-based guidelines (MCLGs) and 1 above EPA's legal limit (MCL, enforceable from April 26, 2029) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 118,403 people across 1 city in MA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
Get your water independently tested in Massachusetts →How does Massachusetts water quality rank nationally? →
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Massachusetts
Learn more about the contaminants detected in Cambridge Water Department:
Fluoride in Cambridge Water Department Water
Cambridge Water Department
PWSID MA3049000
Cambridge Water Department reported 0.7 mg/L, at or above the 0.7 mg/L U.S. Public Health Service recommendation and below the 1.5 mg/L WHO guideline value and NTP neurodevelopment review level.
Cambridge Water Department Service Area
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Cambridge Water Department Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for Cambridge Water Department
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
Disinfectant Used
chloramines, hypochlorite, ozone
Cambridge Water Department Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for Cambridge Water Department has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
Cambridge Water Department Annual Water Quality Reports
Historical reports are being compiled. Check back soon for archived water quality data.
What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.
EPA Health-Based Violations Since 2020
Cambridge Water Department has no health-based EPA violation since 2020 (EPA data as of Q2 2026).
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Concerned about what's in your water?
You're viewing 5 contaminants above health-based guidelines here. Your own tap water can differ — upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testRecommended Water Filters for Cambridge Water Department
Based on water quality data from cities served by Cambridge Water Department, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Filter guides for the contaminants detected here:
Frequently Asked Questions about Cambridge Water Department
Is Cambridge Water Department water safe to drink?
Does Cambridge Water Department have PFAS in its water?
How do I pay my Cambridge Water Department water bill?
How many people does Cambridge Water Department serve?
What cities does Cambridge Water Department serve?
Does Cambridge Water Department have any EPA violations?
What is Cambridge Water Department's phone number?
Where can I find Cambridge Water Department's Consumer Confidence Report?
Similar water utilities in Massachusetts
How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: Cambridge Water Department's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS. The compliance records it holds for this system are reported to EPA by Massachusetts MassDEP, the state's drinking-water primacy agency.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you Cambridge Water Department? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles Cambridge Water Department.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach Cambridge Water Department. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Cambridge Water Department directly.
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