Water Quality in Manorville, NY: No Violations - Grade B
Grade B · Score 73/100 · 4 water systems · Updated 2026-07-18
Manorville'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
Within the water supply network of Manorville, NY, no EPA violations appear anywhere in the federal compliance record - 4 public water systems are tracked here, and not one has been cited for an MCL exceedance, a monitoring failure, or any other reportable compliance event.
Water Quality by ZIP Code in Manorville
Manorville 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 | |
|---|---|---|---|---|---|
| 11949 | B | 73 | 0 | 0 | View report → |
Violation Trend
EPA violations recorded for water systems serving Manorville.
Water Quality Overview
Manorville, 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 4 water systems serving Manorville. 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, Manorville'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 Manorville is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
Water Systems Serving Manorville
Manorville is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 13,159 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 10 enforcement actions against water systems serving Manorville. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Manorville
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
Violation Trend Over Time
Year-by-year EPA violations recorded for water systems serving Manorville:
| 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 Manorville. 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 |
| 2024-09-10 | State Informal Enforcement |
| 2024-09-10 | State Filed Judgment |
| 2024-05-31 | State Order Extension |
| 2023-09-25 | State Filed Judgment |
| 2023-09-25 | State Informal Enforcement |
| 2023-09-25 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-04-01.
Manorville vs. Nearby New York Cities
How Manorville's water quality compares to similar cities in New York:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Manorville | B | 0 | 4 | 13,159 |
| Islip | B | 3 | 3 | 13,152 |
| Holtsville | D | 0 | 2 | 13,194 |
| Pelham | D | 0 | 3 | 13,096 |
Common Questions About Manorville Water
These are the most common questions residents search for about water quality in Manorville, New York:
Is Manorville water hard or soft? Water hardness varies by source. Manorville's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Manorville tap water? Manorville'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 Manorville? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Manorville vs. New York Average
Understanding how Manorville 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 Manorville.
ZIP Codes in Manorville
Manorville 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.