Water Quality in North Branford, CT: 21 Violations — Grade C
Grade C · Score 55/100 · 1 water system · Updated 2026-05-03
North Branford's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Available EPA records for North Branford, CT: 21 water compliance violations tied to local public water systems.
Water Quality by ZIP Code in North Branford
Water quality varies across North Branford's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 06471 | C | 55 | 21 | 2 | View report → |
Violation Trend
EPA violations recorded for water systems serving North Branford.
Water Quality Overview
North Branford, Connecticut receives a water quality grade of C with an overall score of 55 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving North Branford have accumulated 21 EPA violations, including 2 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 84 people.
What Grade C Means
A grade of C indicates moderate compliance issues. North Branford's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across North Branford water systems is 0.0006 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 67% of homes built before 1986, North Branford has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
North Branford is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving North Branford
North Branford is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 84 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 10 enforcement actions against water systems serving North Branford. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in North Branford
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in North Branford Water Systems
The following contaminants have been detected or caused violations across North Branford's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | N/A | 7 | 1 | No |
| Lead and Copper Rule | Treatment Technique | N/A | 4 | 1 | No |
| Lead | Inorganic | 0.015 mg/L | 2 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 2 | 1 | No |
| Revised Total Coliform Rule | Microbiological | N/A | 2 | 1 | No |
| Stage 2 DBP Rule | Treatment Technique | N/A | 2 | 1 | Yes |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving North Branford:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
Violation counts have remained stable over the observed period.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving North Branford. Recent actions:
| Date | Action Type |
|---|---|
| 2025-06-30 | State Order Extension |
| 2025-03-12 | State Informal Action |
| 2025-02-06 | State Informal Action |
| 2025-02-06 | State Informal Enforcement |
| 2025-01-17 | State Order Extension |
| 2024-07-05 | State Order Extension |
| 2024-05-01 | State Order Extension |
| 2024-04-12 | State Order Extension |
| 2024-04-12 | State Informal Action |
| 2024-03-12 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-06-30.
North Branford vs. Nearby Connecticut Cities
How North Branford's water quality compares to similar cities in Connecticut:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| North Branford | C | 21 | 1 | 84 |
| Cheshire | D | 48 | 1 | 84 |
| Columbia | B | 2 | 3 | 84 |
| Northford | D | 0 | 1 | 84 |
Common Questions About North Branford Water
These are the most common questions residents search for about water quality in North Branford, Connecticut:
Is North Branford water hard or soft? Water hardness varies by source. North Branford's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink North Branford tap water? North Branford's water receives a grade of C (55/100). There are 2 health-based violations — consider filtration.
What is the best water filter for North Branford? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
North Branford vs. Connecticut Average
Understanding how North Branford compares to the broader Connecticut average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within North Branford.
ZIP Codes in North Branford
North Branford spans 1 ZIP code. The ZIP with the lowest water quality score is 06471. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.