Water Quality in Middle Island, NY: No Violations - Grade B
Grade B · Score 73/100 · 2 water systems · Updated 2026-07-18
Middle Island's water is mostly safe. Minor violations exist but are primarily monitoring-related.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-07-18
For households in Middle Island, NY, the EPA compliance record offers a straightforward finding: 2 water systems are on file, zero violations documented across the entire dataset, and no regulatory actions have been taken against any local utility under the federal Safe Drinking Water Act in any reporting period covered by available SDWIS data.
Water Quality by ZIP Code in Middle Island
Middle Island is covered by a single ZIP code, so one water-quality profile applies citywide. See the contaminant data below.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 11953 | B | 73 | 0 | 0 | View report → |
Water Quality Overview
Middle Island, New York receives a water quality grade of B with an overall score of 73 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
No EPA violations have been recorded for the 2 water systems serving Middle Island. This is a positive indicator, though it does not guarantee the absence of all contaminants - some substances (like PFAS) are not yet fully regulated.
What Grade B Means
A grade of B indicates good compliance with EPA drinking water standards. While not perfect, Middle Island's water systems meet the vast majority of federal requirements. Minor violations may exist but typically relate to monitoring or reporting rather than health-based standards.
Lead Levels
Lead testing data for Middle Island is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 59% of homes built before 1986, Middle Island 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.
Water Systems Serving Middle Island
Middle Island is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 13,383 people across 1 ZIP code.
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 7 enforcement actions against water systems serving Middle Island. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Middle Island
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
EPA Enforcement History
The EPA and state regulators have taken 7 enforcement actions against water systems serving Middle Island. Recent actions:
| Date | Action Type |
|---|---|
| 2025-04-01 | State Informal Enforcement |
| 2025-04-01 | State Filed Judgment |
| 2024-11-19 | State Informal Enforcement |
| 2024-11-19 | State Filed Judgment |
| 2023-05-31 | State Order Extension |
| 2022-10-28 | State Filed Judgment |
| 2022-10-28 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-04-01.
Middle Island vs. Nearby New York Cities
How Middle Island's water quality compares to similar cities in New York:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Middle Island | B | 0 | 2 | 13,383 |
| Pleasantville | A | 15 | 6 | 13,391 |
| Newark | C | 11 | 4 | 13,501 |
| Whippleville | B | 0 | 1 | 13,232 |
Common Questions About Middle Island Water
These are the most common questions residents search for about water quality in Middle Island, New York:
Is Middle Island water hard or soft? Water hardness varies by source. Middle Island's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Middle Island tap water? Middle Island's water receives a grade of B (73/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Middle Island? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Middle Island vs. New York Average
Understanding how Middle Island compares to the broader New York 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 Middle Island.
ZIP Codes in Middle Island
Middle Island spans 1 ZIP code. 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.
Frequently Asked Questions
Your Water is Safe - Here's How to Keep It That Way
Grade B is excellent news. Here's what proactive homeowners do to maintain water quality:
Annual Water Testing
EPA recommends annual testing even with clean water. Home test kits: $20-$50. Catches changes before they become problems.
Maintenance Filtration
A basic carbon filter removes chlorine taste and catches emerging contaminants like PFAS that aren't yet fully regulated.
Plumbing Check
Even safe city water picks up lead from home pipes. If your home was built before 1986, a one-time pipe inspection is recommended.