Water Quality in Vinalhaven, ME: 9 Violations — Grade C
Grade C · Score 58/100 · 1 water system · Updated 2026-05-03
Vinalhaven'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
Looking at EPA compliance data for Vinalhaven, ME, the record shows 9 violations — findings that span health-based exceedances, monitoring lapses, and enforcement events tied to local utilities in the SDWIS database.
Water Quality by ZIP Code in Vinalhaven
Water quality varies across Vinalhaven's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 04863 | C | 58 | 9 | 7 | View report → |
Violation Trend
EPA violations recorded for water systems serving Vinalhaven.
Water Quality Overview
Vinalhaven, Maine receives a water quality grade of C with an overall score of 58 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Vinalhaven have accumulated 9 EPA violations, including 7 health-based violations. These violations are tracked across 1 ZIP codes serving approximately 1,053 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Vinalhaven'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 Vinalhaven water systems is 0.0015 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 67% of homes built before 1986, Vinalhaven 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
Vinalhaven is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Vinalhaven
Vinalhaven is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,053 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 Vinalhaven. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Vinalhaven
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 Vinalhaven Water Systems
The following contaminants have been detected or caused violations across Vinalhaven's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 8 | 1 | Yes |
| E. coli | Microbiological | N/A | 1 | 1 | No |
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 Vinalhaven:
| Year | Total Violations | Health-Based |
|---|---|---|
| 2023 | 1 | 1 |
| 2024 | 4 | 4 |
| 2025 | 2 | 2 |
Violations have increased from 1 in 2023 to 2 in 2025. This trend warrants monitoring.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Vinalhaven. Recent actions:
| Date | Action Type |
|---|---|
| 2025-06-09 | State Informal Action |
| 2025-05-29 | State Filed Judgment |
| 2025-05-29 | State Informal Enforcement |
| 2025-05-28 | State Filed Suit |
| 2025-03-21 | State Informal Action |
| 2025-03-06 | State Filed Judgment |
| 2025-03-06 | State Informal Enforcement |
| 2024-12-13 | State Informal Action |
| 2024-12-04 | State Filed Judgment |
| 2024-12-04 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-06-09.
Vinalhaven vs. Nearby Maine Cities
How Vinalhaven's water quality compares to similar cities in Maine:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Vinalhaven | C | 9 | 1 | 1,053 |
| Matinicus | D | 0 | 1 | 1,053 |
| Norridgewock | C | 0 | 1 | 1,055 |
| Smithfield | D | 0 | 1 | 1,055 |
Common Questions About Vinalhaven Water
These are the most common questions residents search for about water quality in Vinalhaven, Maine:
Is Vinalhaven water hard or soft? Water hardness varies by source. Vinalhaven's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Vinalhaven tap water? Vinalhaven's water receives a grade of C (58/100). There are 7 health-based violations — consider filtration.
What is the best water filter for Vinalhaven? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Vinalhaven vs. Maine Average
Understanding how Vinalhaven compares to the broader Maine 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 Vinalhaven.
ZIP Codes in Vinalhaven
Vinalhaven spans 1 ZIP code. The ZIP with the lowest water quality score is 04863. 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.