WaterVerge

Is Hebron, CT Tap Water Safe to Drink?

Graded F — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 8 water systems PWSID: CT0672031
Overall Score
43 / 100
Violations
104 active
Last Updated
May 2026
Source
Groundwater
#121 of 158 in Connecticut Top 93% nationally
Private
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
43/100
waterverge.com
F 43/100

Hebron, CT — Water Quality Report

Hebron's drinking water received a grade of F (43 out of 100), indicating failing water quality. The city's 8 water systems serve approximately 3,465 residents using groundwater.

Lead levels were measured at 1.1 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 376 violations on record, including 21 health-based violations. 104 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Hebron's water

Hebron ranks #121 out of 158 cities in Connecticut for water quality, placing it among the lowest-rated in the state.

Hebron relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

The system has seen 27 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
43 out of 100 Grade F
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 1.1 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Hebron, CT water safe to drink?

Concerns Identified

Hebron's drinking water has significant quality concerns based on EPA testing data. With a grade of F (43/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 8 water systems serve approximately 3,465 residents using groundwater (wells).

104
Active Violations
1.1 ppb
Lead (90th %ile)

Recent water quality updates for Hebron

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hebron's water quality assessment. Grade: F (43/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
6 drinking water violations recorded

3 health-based. Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Hebron's water supply.

Lead Within Limits
Detected: 1.1 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 2.70 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Hebron's water system has 376 total violations on record, including 21 health-based violations. 104 remain unresolved. 27 violations were issued in the last 5 years.

MRRPTTTMONOtherMCL
Most recent violations:
Oct 2025 Lead and Copper Rule Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Oct 2024 LEAD AND COPPER RULE REVISIONS Open

Where does Hebron's water come from?

Hebron's drinking water comes from groundwater (wells), supplied by 8 water systems serving approximately 3,465 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Indian River (river).

What Hebron residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hebron's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
1.1 ppb
EPA Action Level: 15 ppb · 7% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
2.70 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

376
Total violations
21
Health-based
104
Active / unresolved
Oct 2025
Most recent violation
Compliance Record

Violations & advisories

376 Total
104 Active
21 Health-based
272 Resolved
Violations by category
Volatile Organic Chemicals
97
Consumer Confidence Rule
57
Synthetic Organic Chemicals
40
Inorganic Chemicals
35
Radionuclides and Revised Rad Rule
28
Oct 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Treatment Technique
Health-Based Health 0
Aug 2023 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Dec 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jul 2022 Active
Consumer Confidence Rule
Other Violation 0
Jan 2022 Active
Public Notice
Other Violation 0
Aug 2021 Active
Revised Total Coliform Rule
Treatment Technique
Health-Based Health 0
Aug 2021 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2021 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Aug 2021 Active
E. COLI
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Dec 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Showing 20 of 376 violations

Recommended water filters

Based on contaminants detected in Hebron's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 1.1 15 ppb Inorganic Safe
Copper (90th percentile) 2.70 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 1.1 ppb from 2002 (1.1 ppb) to 2025 (0.0 ppb).

Copper level (90th percentile)

Latest reading: 2.700 mg/L (1998)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Private
Population Served
3,465
Water Systems
8
Water Source

Where Hebron's water comes from

Groundwater

Hebron's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by private ownership and serves approximately 3,465 people through 8 water systems.

Local Hydrology

Water bodies near Hebron

Hebron is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Indian River
river
Infrastructure

Water systems serving Hebron

System Name PWSID Population Source
CTWC - HEBRON CENTER DIVISION CT0672031 1,927 GW
CTWC - AMSTON LAKE DIVISION CT0670331 910 GW
CTWC - LONDON PARK DIVISION CT0670011 221 GW
WELLSWOOD ESTATES FOUNDATION, INC. CT0671021 112 GW
ABBY WATER LLC CT0670021 100 GW
HILLSIDE CONDOMINIUMS CT0670051 96 GW
CTWC - WELLSWOOD VILLAGE DIV CT0672021 60 GW
HEBRON ARMS APARTMENTS CT0670041 39 GW
Regional Comparison

How Hebron compares

Full Connecticut rankings →

Hebron's score of 43/100 is on par with the average of 47/100 among major Connecticut cities. It outscores 6 of 10 nearby cities.

Hebron (this city)
43
Ansonia
49.4
Ansonia
33.5
Ansonia
34.5
Berlin
41
Connecticut avg
47
City Profile

About Hebron, CT

Wikipedia →

Clinton is a town in Middlesex County, Connecticut, United States. The town is part of the Lower Connecticut River Valley Planning Region. The population of the town was 13,185 at the 2020 census. The town center along the shore line was listed as a census-designated place (CDP) by the U.S. Census Bureau in the 2020 census.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Hebron, CT tap water safe to drink?

Hebron's water quality earned a grade of F (43/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #121 out of 158 cities tested in Connecticut.

What contaminants are in Hebron's water?

Lead was measured at 1.1 ppb (90th percentile). 376 violations are on record.

How is Hebron's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Hebron?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Hebron's water come from?

Hebron's water is sourced from Groundwater. The city has 8 water systems serving approximately 3,465 residents.

What health violations has Hebron's water system had?

Hebron has 21 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 104 violations remain unresolved.

Is Hebron's groundwater at risk of contamination?

Hebron uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 376 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Hebron's water compare to other cities?

Hebron ranks #121 out of 158 cities in Connecticut (better than 23% of state cities) and #14679 out of 15744 cities nationally (7th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.