CTWC - Unionville System
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in CT · PWSID CT0520011
CTWC - Unionville System serves 14,693 people. 1 health-based violation since 2020 in EPA's record — full violation history below.
- People served
- 14,693
- Last EPA sample
- 2024-11-26
- PFAS
- Detected (2 compounds)
- Health-based violations since 2020
- 1
Data sources: EPA SDWIS, CTWC - Unionville System'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.
Official CTWC - Unionville System Resources
Help Paying Your CTWC - Unionville System Water Bill
- Ask CTWC - Unionville System 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
CTWC - Unionville System Service Area
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This map shows the approximate service area for CTWC - Unionville System. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
CTWC - Unionville System Water Quality Grade
Not graded: Warning
CTWC - Unionville System reads Warning. A letter grade is given only beside a Safe verdict.
Is CTWC - Unionville System Water Safe to Drink?
CTWC - Unionville System has reported 2 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. CTWC - Unionville System has 1 health-based EPA violation since 2020 (EPA data as of Q2 2026), none of them open. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 14,693 people across 1 city 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
Learn more about the contaminants detected in CTWC - Unionville System:
Fluoride in CTWC - Unionville System Water
CTWC - Unionville System
PWSID CT0520011
Fluoride was detected in 22.2% of CTWC - Unionville System's samples (median below the detection limit).
CTWC - Unionville System Service Area
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CTWC - Unionville System Contact & Information
B2B Contact Data
B2B Contact Data Available
Contacts for CTWC - Unionville System
| 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
CTWC - Unionville System 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 CTWC - Unionville System 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.
CTWC - Unionville System 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
CTWC - Unionville System has 1 health-based EPA violation since 2020 (EPA data as of Q2 2026), none of them open.
EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
| Violation | Contaminant or rule | Period | Status | Notice |
|---|---|---|---|---|
| Treatment Technique (SWTR and GWR) | Groundwater Rule | May 2026 | Archived by the state, no resolution recorded | Tier 2 public notice |
Concerned about what's in your water?
You're viewing 4 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 CTWC - Unionville System
Based on water quality data from cities served by CTWC - Unionville System, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Filter guides for the contaminants detected here:
Frequently Asked Questions about CTWC - Unionville System
Is CTWC - Unionville System water safe to drink?
Does CTWC - Unionville System have PFAS in its water?
How do I pay my CTWC - Unionville System water bill?
How many people does CTWC - Unionville System serve?
What cities does CTWC - Unionville System serve?
Does CTWC - Unionville System have any EPA violations?
What is CTWC - Unionville System's phone number?
Where can I find CTWC - Unionville System'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: CTWC - Unionville System'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 CTWC - Unionville System? 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 CTWC - Unionville System.
- 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 CTWC - Unionville System. For a problem with your water now (discolored water, no water, low pressure, a leak), contact CTWC - Unionville System directly.
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