Chelmsford Water District
Drinking water quality, contact, and Consumer Confidence Report
Serving 2 cities in MA · PWSID MA3056000
Chelmsford Water District serves 28,750 people. PFAS detected above health guidelines (Perfluorooctanesulfonic acid, Perfluorooctanoic acid) — full contaminant breakdown below.
- People served
- 28,750
- Last EPA sample
- 2025-08-05
- PFAS
- Detected (2 compounds)
- Health-based violations since 2020
- 0
Data sources: EPA SDWIS, Chelmsford Water District'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.
Help Paying Your Chelmsford Water District Water Bill
- Ask Chelmsford Water District 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
Chelmsford Water District Service Area
Loading map...
This map shows the approximate service area for Chelmsford Water District. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Chelmsford Water District Water Quality Grade
Not graded: Warning
Chelmsford Water District reads Warning. A letter grade is given only beside a Safe verdict.
Is Chelmsford Water District Water Safe to Drink?
Chelmsford Water District has reported 4 contaminants above EPA health-based guidelines (MCLGs) and 2 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 28,750 people across 2 cities 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 Chelmsford Water District:
Fluoride in Chelmsford Water District Water
Chelmsford Water District
PWSID MA3056000
Fluoride was detected in 7.7% of Chelmsford Water District's samples (median below the detection limit).
Chelmsford Water District Service Area
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
Free forever. Unsubscribe anytime. We never share your email.
Chelmsford Water District Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for Chelmsford Water District
| 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
filtration, hypochlorite
Chelmsford Water District 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 Chelmsford Water District 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.
Chelmsford Water District Annual Water Quality Reports
We don’t have a link we can confirm belongs to this system, and we’d rather show none than the wrong utility’s. Massachusetts MassDEP publishes drinking-water reports for systems in this state.
Visit Massachusetts MassDEPWhat 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
Chelmsford Water District 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 6 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 Chelmsford Water District
Based on water quality data from cities served by Chelmsford Water District, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Filter guides for the contaminants detected here:
Frequently Asked Questions about Chelmsford Water District
Is Chelmsford Water District water safe to drink?
Does Chelmsford Water District have PFAS in its water?
How do I pay my Chelmsford Water District water bill?
How many people does Chelmsford Water District serve?
What cities does Chelmsford Water District serve?
Does Chelmsford Water District have any EPA violations?
What is Chelmsford Water District's phone number?
Where can I find Chelmsford Water District'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: Chelmsford Water District'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 Chelmsford Water District? 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 Chelmsford Water District.
- 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 Chelmsford Water District. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Chelmsford Water District directly.
Check another location
Get the Weekly Water Brief
One email a week on water testing, treatment, and what water-quality data means for your home.
One email a week. Unsubscribe anytime.