Groton Utilities
Drinking water quality, contact, and Consumer Confidence Report
Serving 6 cities in CT · PWSID CT0590011
Groton Utilities serves 30,200 people. 1 contaminant currently exceed health-based guidelines — full breakdown below.
- People served
- 30,200
- Last EPA sample
- 2025-08-01
- PFAS
- Not detected
- Health-based violations since 2020
- 0
Data sources: EPA SDWIS, Groton Utilities's published Consumer Confidence Report, and compliance monitoring reported to EPA by Connecticut DPH Drinking Water Section.
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 Groton Utilities Water Bill
- Ask Groton Utilities 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 Connecticut
Groton Utilities Service Area
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This map shows the approximate service area for Groton Utilities. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
Groton Utilities Water Quality Grade
Not graded: Monitor
Groton Utilities reads Monitor. A letter grade is given only beside a Safe verdict.
Is Groton Utilities Water Safe to Drink?
Groton Utilities has reported 1 contaminant above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 30,200 people across 6 cities in CT. 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 Connecticut →How does Connecticut 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 Connecticut
Fluoride in Groton Utilities Water
Groton Utilities
PWSID CT0590011
Groton Utilities reported 0.83 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.
Groton Utilities Service Area
Conning Towers-Nautilus Park, CT
Groton, CT
Groton Long Point, CT
Long Hill, CT
Noank, CT
Poquonock Bridge, CT
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Groton Utilities Contact & Information
Phone
Mailing Address
For hours of operation and emergency contact information, please visit the official utility website or call the main phone number.
B2B Contact Data
B2B Contact Data Available
Contacts for Groton Utilities
| 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
chlorine dioxide, hypochlorite
Groton Utilities 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 Groton Utilities 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.
Groton Utilities 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. Connecticut DPH Drinking Water Section publishes drinking-water reports for systems in this state.
Visit Connecticut DPH Drinking Water SectionWhat 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
Groton Utilities 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 1 contaminant 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 Groton Utilities
Based on water quality data from cities served by Groton Utilities, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about Groton Utilities
Is Groton Utilities water safe to drink?
Does Groton Utilities have PFAS in its water?
How do I pay my Groton Utilities water bill?
How many people does Groton Utilities serve?
What cities does Groton Utilities serve?
Does Groton Utilities have any EPA violations?
What is Groton Utilities's phone number?
Where can I find Groton Utilities's Consumer Confidence Report?
Similar water utilities in Connecticut
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: Groton Utilities'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 Connecticut DPH Drinking Water Section, 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 Groton Utilities? 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 Groton Utilities.
- 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 Groton Utilities. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Groton Utilities directly.
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