Mattapoisett River Valley W.D.
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in MA · PWSID MA4173001
Mattapoisett River Valley W.D. serves 29,600 people. See EPA records and contact info below.
- People served
- 29,600
- Last EPA sample
- 2024-09-23
- PFAS
- Not detected
- Health-based violations since 2020
- 0
Data sources: EPA SDWIS, Mattapoisett River Valley W.D.'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 Mattapoisett River Valley W.D. Resources
Help Paying Your Mattapoisett River Valley W.D. Water Bill
- Ask Mattapoisett River Valley W.D. 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
Mattapoisett River Valley W.D. Service Area
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This map shows the approximate service area for Mattapoisett River Valley W.D.. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Mattapoisett River Valley W.D. Water Quality Grade
Not graded: Monitor
Mattapoisett River Valley W.D. reads Monitor. A letter grade is given only beside a Safe verdict.
Is Mattapoisett River Valley W.D. Water Safe to Drink?
Mattapoisett River Valley W.D. has reported 5 contaminants with an EPA health goal detected in some samples (no level on file) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 29,600 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
Fluoride in Mattapoisett River Valley W.D. Water
Mattapoisett River Valley W.D.
PWSID MA4173001
Fluoride was detected in 16.6% of Mattapoisett River Valley W.D.'s samples (median below the detection limit).
Mattapoisett River Valley W.D. Service Area
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Mattapoisett River Valley W.D. Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for Mattapoisett River Valley W.D.
| 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
Mattapoisett River Valley W.D. 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 Mattapoisett River Valley W.D. 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.
Mattapoisett River Valley W.D. 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
Mattapoisett River Valley W.D. 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?
Upload your tap water report (PDF or a photo) and we'll email you a plain-English explanation of each contaminant and level — free. Educational only, no medical claims.
Your upload also helps us keep local water data accurate — we only ever share anonymized, area-level summaries.
Upload my testFrequently Asked Questions about Mattapoisett River Valley W.D.
Is Mattapoisett River Valley W.D. water safe to drink?
Does Mattapoisett River Valley W.D. have PFAS in its water?
How do I pay my Mattapoisett River Valley W.D. water bill?
How many people does Mattapoisett River Valley W.D. serve?
What cities does Mattapoisett River Valley W.D. serve?
Does Mattapoisett River Valley W.D. have any EPA violations?
What is Mattapoisett River Valley W.D.'s phone number?
Where can I find Mattapoisett River Valley W.D.'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: Mattapoisett River Valley W.D.'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 Mattapoisett River Valley W.D.? 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 Mattapoisett River Valley W.D..
- 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 Mattapoisett River Valley W.D.. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Mattapoisett River Valley W.D. directly.
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