CLINTON, Connecticut Tap Water Quality

243,223 people served · 63 water systems

Poor

CLINTON, Connecticut is a mid-sized community with 243,223 residents served by 63 distinct public water systems. Water service covers ZIP code 06413.

CLINTON has a notable pattern of EPA health-based violations across multiple compliance periods. Filtered water is a reasonable precaution while the utility implements long-term corrective action.

EPA reporting identifies Lead, Coliform Bacteria, and Uranium among the regulated contaminants associated with CLINTON's recent health-based violations. Each contaminant has different sources, health implications, and recommended mitigation steps — links to the full EPA reference for each are listed alongside the violation history below.

Last updated: 2026-05-18 · Source: EPA SDWIS

Location

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Centered on ZIP-code centroids of water systems serving this city.

ZIP Codes Served

06413

Health-Based Violations (Last 5 Years)

EPA Maximum Contaminant Level exceedances reported by water systems serving CLINTON. Each entry explains the contaminant, the health risk, and recommended precautions, and links to a full guide.

Leadchemical

EPA Code 5200 · Treatment Technique Violation

violation

EPA Limit

0.015 mg/L

Last Reading

—

First Reported

Oct 2024

Most Recent

Oct 2024

What this violation means

Lead is a potent neurotoxin with no safe exposure level. In drinking water it primarily enters via corroded lead service lines, lead-soldered copper pipes, and brass fixtures. Children under 6 and pregnant women face the highest risk because lead disrupts developing nervous and skeletal systems.

Recommended precautions

→Run cold tap water 30–120 seconds before drinking or cooking, especially after the tap has been unused for hours.
→Never cook with hot tap water — heat increases lead leaching from pipes.
→Use an NSF/ANSI 53 certified filter for lead removal (carbon block or reverse osmosis).
→If you have children, get blood lead levels tested by your pediatrician.

Read the complete guide to Lead

Coliform Bacteriamicrobial

EPA Code 8000 · Maximum Contaminant Level Exceedance

violations

EPA Limit

0 per 100 mL presence/absence

Last Reading

—

First Reported

Aug 2023

Most Recent

Aug 2023

What this violation means

Total coliform bacteria are themselves usually harmless, but their presence signals that the water distribution system has a vulnerability — typically a cracked pipe, loss of pressure, or back-siphonage — that could allow disease-causing pathogens to enter. Repeated coliform-positive samples trigger mandatory utility investigation.

Recommended precautions

→If your utility issues a boil-water advisory, boil all drinking and cooking water for at least one minute.
→Use bottled water until the advisory is lifted.
→Ice from icemakers and beverages made before the advisory should be discarded.
→UV light and chlorination both kill coliform bacteria — most home filters do not.

Read the complete guide to Coliform Bacteria

Uraniumradiological

EPA Code 4006 · Maximum Contaminant Level Exceedance

violations

EPA Limit

0.03 mg/L

Last Reading

32 UG/L

First Reported

Oct 2022

Most Recent

Oct 2022

What this violation means

Uranium in drinking water is both a chemical toxin (kidney damage) and a radiological hazard (increased cancer risk). It's most commonly found in groundwater near uranium ore deposits or former mining activity in the Western US.

Recommended precautions

→Reverse osmosis is the gold standard for removing uranium.
→Ion exchange systems work but must be sized correctly for uranium.
→If you live near former mining sites, test for uranium even if not required.

Read the complete guide to Uranium

Source: EPA Safe Drinking Water Information System (SDWIS). Health-based violations only. Older violations may have been resolved; check your utility's most recent Consumer Confidence Report for current status.

Water Systems Serving CLINTON

CTWC - ASHFORD PARK DIVISION

PWSID: CT0030031

334 served

CTWC - POMPEY HOLLOW DIVISION

PWSID: CT0030411

32 served

CTWC - NORTHERN REG-LLYNWOOD SYSTEM

PWSID: CT0120021

192 served

CTWC - COLUMBIA HEIGHTS DIV.

PWSID: CT0300011

32 served

CTWC - NORTHERN REGION-LAKEWOOD

PWSID: CT0320011

532 served

CTWC - SDC WATER

PWSID: CT1470011

216 served

CTWC - RIVERSEDGE DIVISION

PWSID: CT1609111

179 served

CTWC - CORNFIELD POINT DIV.

PWSID: CT1698051

57 served

CTWC - SACHEM VILLAGE CONDO

PWSID: CT0792011

166 served

CTWC - GALLUP SYSTEM

PWSID: CT1090031

2,538 served

CTWC - PLAINFIELD SYSTEM

PWSID: CT1090081

1,713 served

CTWC - THOMPSON SYSTEM

PWSID: CT1410011

1,070 served

CTWC - NORTHERN REG-RESERVOIR HEIGHTS

PWSID: CT1462011

62 served

CTWC - UCONN HUNTING LODGE DIV.

PWSID: CT0787101

234 served

CTWC - UCONN SOUTH EAGLEVILLE DIV.

PWSID: CT0787111

750 served

CTWC - UCONN WILLOWBROOK DIV.

PWSID: CT0787121

134 served

CTWC - FOREST HOMES DIVISION

PWSID: CT0790011

100 served

1 violation

CTWC - MARLBOROUGH GARDENS

PWSID: CT0790031

110 served

CTWC - FLORENCE LORD (MASH)

PWSID: CT0791201

30 served

CTWC - PINEWOODS LANE DIV

PWSID: CT0780081

68 served

CTWC - BIRCHWOOD HEIGHTS

PWSID: CT0780121

76 served

CTWC - CRYSTAL SPRINGS DIV.

PWSID: CT0787011

169 served

CTWC - UCONN DEPOT DIV.

PWSID: CT0787091

153 served

CTWC - WELLSWOOD VILLAGE DIV

PWSID: CT0672021

60 served

CTWC - HEBRON CENTER DIVISION

PWSID: CT0672031

1,927 served

CTWC - CRYSTAL SYSTEM

PWSID: CT0690011

6,378 served

CTWC - LEBANON ELDERLY DIV.

PWSID: CT0711071

67 served

CTWC - REDWOOD FARMS DIVISION

PWSID: CT0770041

424 served

CTWC - NORTHERN REG-WESTERN SYSTEM

PWSID: CT0473011

101,313 served

CTWC - LONDON PARK DIVISION

PWSID: CT0670011

221 served

CTWC - AMSTON LAKE DIVISION

PWSID: CT0670331

910 served

CTWC - NORTHERN REGION-LAKEVIEW TERRACE

PWSID: CT0320021

472 served

CTWC - NORTHERN REG-NATHAN HALE SYSTEM

PWSID: CT0320031

160 served

CTWC - PILGRIM HILLS DIVISION

PWSID: CT0320041

229 served

CTWC - SOUTH COVENTRY SYSTEM

PWSID: CT0320051

501 served

CTWC - GENERAL WATER DIVISION

PWSID: CT0320071

306 served

CTWC - COVENTRY HILLS DIV

PWSID: CT0320091

700 served

CTWC - RIVERCREST DIVISION

PWSID: CT1130021

88 served

CTWC - CHIMNEY HILL

PWSID: CT0529051

227 served

CTWC - COUNTRY MOBILE DIV.

PWSID: CT0580021

186 served

CTWC - BAY MOUNTAIN

PWSID: CT0580041

440 served

CTWC - SHORELINE REGION-GUILFORD SYSTEM

PWSID: CT0608011

33,975 served

CTWC - JENSENS BEECHWOOD SYSTEM

PWSID: CT0700011

750 served

4 violations

CTWC - GREEN SPRINGS SYSTEM

PWSID: CT0760021

104 served

CTWC - BANNER VILLAGE

PWSID: CT0410744

265 served

CTWC - WESTCHESTER EAST

PWSID: CT0427021

153 served

CTWC - SPICE HILL DIVISION

PWSID: CT0428031

712 served

CTWC - BAKER HILL DIVISION

PWSID: CT0429011

203 served

CTWC - UNIONVILLE SYSTEM

PWSID: CT0520011

14,693 served

AVON WATER CO

PWSID: CT0040011

11,590 served

CTWC - NAUGATUCK REG-COLLINSVILLE SYS

PWSID: CT0230011

6,324 served

CTWC - SHORELINE REGION-CHESTER SYSTEM

PWSID: CT0261031

5,030 served

CTWC - SHORELINE REG-CHESTER VLLG WEST

PWSID: CT0261081

216 served

4 violations

CTWC - PONEMAH VILLAGE

PWSID: CT0280071

60 served

CTWC - WESTCHESTER VILLAGE

PWSID: CT0282001

252 served

HERITAGE WATER COMPANY

PWSID: CT1300021

7,300 served

CTWC - SHORELINE REGION-MASONS ISLAND

PWSID: CT1370051

445 served

CTWC - NAUGATUCK REG-THOMASTON SYSTEM

PWSID: CT1400011

3,789 served

CTWC - LEGEND HILL SYSTEM

PWSID: CT0765101

1,368 served

CTWC - NAUGATUCK REGION-CENTRAL SYSTEM

PWSID: CT0880011

22,735 served

CTWC - SHORELINE REGION-SOUND VIEW

PWSID: CT1050732

3,028 served

CTWC - SHORELINE REGION-POINT O WOODS

PWSID: CT1050752

1,068 served

CTWC - NAUGATUCK REG-TERRYVILLE SYSTEM

PWSID: CT1110011

5,607 served

What Can You Do?

✅ Request your utility's annual Consumer Confidence Report (CCR) — required by law.
✅ Use an NSF-certified water filter if violations involve lead, arsenic, or PFAS.
✅ Run cold water for 30 seconds before drinking if you have older plumbing (reduces lead).
✅ Check back monthly — we update data from the EPA every 30 days.

About this data

This overview reflects EPA SDWIS data published as of 2026-05-18. It covers active Community Water Systems (CWS) that exceeded federal Maximum Contaminant Levels during the past five-year EPA reporting window. For up-to-the-minute information, request a current Consumer Confidence Report from your utility, or review the EPA's public dashboard.

Frequently Asked Questions

Is CLINTON, Connecticut tap water safe to drink?▼

This city's water had significant EPA violations in the last 5 years.

How many EPA violations does CLINTON have?▼

CLINTON has 9 EPA health-based water violations in the last 5 years across 63 water systems serving 243,223 people.

What contaminants have been found in CLINTON water?▼

The following EPA-regulated contaminants have been detected: 5200, 8000, 4006. View details about each contaminant, health effects, and recommended precautions above in the violations table.

Should I use a water filter in CLINTON?▼

Using an NSF-certified water filter is recommended if your area has violations involving lead, arsenic, or PFAS. For other contaminants, consult your local water utility. Check the annual Consumer Confidence Report (CCR) for detailed guidance.

What should I do if there are violations in CLINTON?▼

Request your water utility's annual Consumer Confidence Report (CCR), which is required by the EPA. Follow the utility's guidance on boil water advisories. Run cold water for 30 seconds before drinking if you have older plumbing. Use an NSF-certified filter if needed based on your water system's violations.