Is Greenville (T), NY Tap Water Safe to Drink?
Graded D, with 28 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
49.7/100
Greenville (T), NY — Water Quality Report
Greenville (T)'s drinking water received a grade of D (49.7 out of 100), indicating poor water quality. The city's 3 water systems serve approximately 1,455 residents using groundwater.
Lead levels were measured at 3.0 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 92 violations on record, including 2 health-based violations. 28 remain unresolved.
What to know about Greenville (T)'s water
Greenville (T) ranks #795 out of 855 cities in New York for water quality, placing it among the lowest-rated in the state.
Greenville (T) 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.
As a small community water system, Greenville (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 30 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Greenville (T), NY water safe to drink?
Greenville (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of D (49.7/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 1,455 residents using groundwater (wells).
Recent water quality updates for Greenville (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Greenville (T)'s water quality assessment. Grade: D (49.7/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Public Notice.
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.
Key contaminant findings
Based on the most recent EPA sampling data for Greenville (T)'s water supply.
Well within EPA limits.
Violation history
Greenville (T)'s water system has 92 total violations on record, including 2 health-based violations. 28 remain unresolved. 30 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 Wallkill River, Mongaup River, Delaware River, Basher Kill, Neversink River.
Where does Greenville (T)'s water come from?
Greenville (T)'s drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 1,455 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Wallkill River (river), Mongaup River (river), Delaware River (river), Basher Kill (river), Neversink River (river).
What Greenville (T) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Greenville (T)'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.
Greenville (T)'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
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.
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. | 3.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Greenville (T) compares by contaminant
Explore where Greenville (T) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Greenville (T)'s water comes from
Greenville (T)'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 1,455 people through 3 water systems.
Water bodies near Greenville (T)
Greenville (T) is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Greenville (T)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GREENVILLE WATER DISTRICT NO 1 | NY1900028 | 1,100 | GW |
| CASTLE HIGH TRAILER PARK | NY3501336 | 325 | GW |
| GREEN ACRES SENIOR PARK COMMUNITY | NY3510680 | 30 | GW |
How Greenville (T) compares
Full New York rankings →Greenville (T)'s score of 49.7/100 is below the average of 74/100 among major New York cities. It outscores 1 of 10 nearby cities. 9 of 10 nearby cities score higher.
Nearby cities
View New York rankings →About Greenville (T), NY
Learn more about your water
Guides and resources related to Greenville (T)'s water quality findings.
Explore water quality across Greene
Frequently asked questions
Is Greenville (T), NY tap water safe to drink?
Greenville (T)'s water quality earned a grade of D (49.7/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #795 out of 855 cities tested in New York.
What contaminants are in Greenville (T)'s water?
Lead was measured at 3.0 ppb (90th percentile). 92 violations are on record.
How is Greenville (T)'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 Greenville (T)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Greenville (T)'s water come from?
Greenville (T)'s water is sourced from Groundwater. The city has 3 water systems serving approximately 1,455 residents.
What health violations has Greenville (T)'s water system had?
Greenville (T) has 2 health-based violations on record. The most recent violation was recorded in July 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 28 violations remain unresolved.
Is Greenville (T)'s groundwater at risk of contamination?
Greenville (T) 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 92 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 Greenville (T)'s water compare to other cities?
Greenville (T) ranks #795 out of 855 cities in New York (better than 7% of state cities) and #13216 out of 15744 cities nationally (16th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.