F0/100
Greenwood Lake Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,383 residents · New York
What's In Greenwood Lake's Tap Water?
28
Contaminants Tested
1
Exceed EPA Limits
2
Above EPA Goals
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
chlorate | 214.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2024 – May 31, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2021 – December 31, 2021Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
GREENWOOD LAKE VILLAGE
Population Served
3,383
Water Source
Groundwater Under Influence of Surface Water
System ID
NY3503530
Frequently Asked Questions About Greenwood Lake Water
Is Greenwood Lake tap water safe to drink?
Greenwood Lake, New York tap water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA maximum contaminant levels and 97 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Greenwood Lake's water?
Of the 28 contaminants tested in Greenwood Lake's water supply, the most notable include Copper (90th percentile), Lead (90th percentile), chlorate. 1 contaminant(s) exceed EPA legal limits (MCLs). 3 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Greenwood Lake have any water quality violations?
Yes, Greenwood Lake has 97 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR, MCL. 9 of these are health-based violations, which are the most serious category.
Do I need a water filter in Greenwood Lake?
Based on EPA data, using a water filter in Greenwood Lake is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Greenwood Lake's tap water come from?
Greenwood Lake's drinking water is sourced from groundwater under influence of surface water and supplied by GREENWOOD LAKE VILLAGE. The system serves approximately 3,383 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Greenwood Lake's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Greenwood Lake's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Greenwood Lake's water compare to other cities in New York?
Greenwood Lake's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our New York state page to see how all cities in the state compare.
What should I do if I'm concerned about Greenwood Lake's water quality?
If you have concerns about Greenwood Lake's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (GREENWOOD LAKE VILLAGE) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.