Is Greenwood Lake (V), NY Tap Water Safe to Drink?
Graded A- — but Copper and Chlorate were detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
85.2/100
waterverge.com Greenwood Lake (V), NY — Water Quality Report
Greenwood Lake (V)'s drinking water received a grade of A- (85.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,383 residents using ground water under influence.
Lead levels were measured at 2.5 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 98 violations on record, including 9 health-based violations. 3 remain unresolved.
What to know about Greenwood Lake (V)'s water
Greenwood Lake (V) ranks #447 out of 855 cities in New York for water quality, placing it below average in the state.
Greenwood Lake (V) relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
Hexavalent chromium (chromium-6) was detected at 0.09 µg/L in UCMR 3 testing. While below California's 10 µg/L limit and with no federal MCL set, residents sensitive to this contaminant may consider reverse osmosis filtration.
Water quality score
See methodology →Is Greenwood Lake (V), NY water safe to drink?
Greenwood Lake (V)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,383 residents using groundwater (wells).
Recent water quality updates for Greenwood Lake (V)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Greenwood Lake (V)'s water quality assessment. Grade: A- (85.2/100).
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-4615). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3572). Hurricane event — may have impacted local water infrastructure.
Contaminants: Lead and Copper Rule.
Contaminants: Lead and Copper Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Greenwood Lake (V)'s water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Greenwood Lake (V)'s water system has 98 total violations on record, including 9 health-based violations. 3 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Orange County has experienced 10 federally declared disasters since 1999. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Greenwood Lake At Awosting, Wanaque River At Awosting, Wanaque River At Monks, Ringwood Creek Near Wanaque, West Brook Near Wanaque.
Where does Greenwood Lake (V)'s water come from?
Greenwood Lake (V)'s drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,383 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Greenwood Lake At Awosting (lake), Wanaque River At Awosting (river), Wanaque River At Monks (river), Ringwood Creek Near Wanaque (river), West Brook Near Wanaque (river).
What Greenwood Lake (V) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Greenwood Lake (V)'s water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Greenwood Lake (V)'s area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Drought conditions
D1 — moderate droughtOrange County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Orange County has experienced 10 federally declared disasters since 1999. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Greenwood Lake (V)'s water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 2.5 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.60 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Greenwood Lake (V) compares by contaminant
Explore where Greenwood Lake (V) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Greenwood Lake (V)'s water comes from
Greenwood Lake (V)'s drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 3,383 people through 1 water system.
Water bodies near Greenwood Lake (V)
Greenwood Lake (V) is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Greenwood Lake (V)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GREENWOOD LAKE VILLAGE | NY3503530 | 3,383 | GU |
How Greenwood Lake (V) compares
Full New York rankings →Greenwood Lake (V)'s score of 85.2/100 is above the average of 74/100 among major New York cities. It outscores 9 of 10 nearby cities.
Nearby cities
View New York rankings →About Greenwood Lake (V), NY
Wikipedia →Greenwood Lake is a village in Orange County, New York, United States, in the southern part of the town of Warwick. As of the 2020 census, the population of the village was 2,994. It is part of the Poughkeepsie–Newburgh–Middletown, NY Metropolitan Statistical Area as well as the larger New York–Newark–Bridgeport Combined Statistical Area.
Learn more about your water
Guides and resources related to Greenwood Lake (V)'s water quality findings.
Explore water quality across Orange
Frequently asked questions
Is Greenwood Lake (V), NY tap water safe to drink?
Greenwood Lake (V)'s water quality earned a grade of A- (85.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #447 out of 855 cities tested in New York.
What contaminants are in Greenwood Lake (V)'s water?
Lead was measured at 2.5 ppb (90th percentile). 98 violations are on record.
How is Greenwood Lake (V)'s water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Greenwood Lake (V)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Greenwood Lake (V)'s water come from?
Greenwood Lake (V)'s water is sourced from Ground water under influence. The city has 1 water system serving approximately 3,383 residents.
What health violations has Greenwood Lake (V)'s water system had?
Greenwood Lake (V) has 9 health-based violations on record. The most recent violation was recorded in May 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Greenwood Lake (V)'s groundwater at risk of contamination?
Greenwood Lake (V) uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 98 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Greenwood Lake (V)'s water compare to other cities?
Greenwood Lake (V) ranks #447 out of 855 cities in New York (better than 48% of state cities) and #5448 out of 15744 cities nationally (65th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.