WaterVerge

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 ↓

1K residents served 3 water systems PWSID: NY1900028
Overall Score
49.7 / 100
Violations
28 active
Last Updated
May 2026
Source
Groundwater
#795 of 855 in New York Top 84% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
49.7/100
waterverge.com
D 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.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

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.

Quality Breakdown

Water quality score

See methodology →
49.7 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
2.7/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 3.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
5/10
D
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Greenville (T), NY water safe to drink?

Concerns Identified

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).

28
Active Violations
3.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Greenville (T)

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Greenville (T)'s water quality assessment. Grade: D (49.7/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Public Notice.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
REMNANTS OF HURRICANE IDA

Federal disaster declaration (FEMA DR-4615). Hurricane event — may have impacted local water infrastructure.

Disaster
REMNANTS OF HURRICANE IDA

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.

Lead Within Limits
Detected: 3.0 ppb Limit: 15 ppb (EPA Action Level)

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.

RPTOtherMONMRMCL
Most recent violations:
Jul 2025 LEAD AND COPPER RULE REVISIONS Open
Jun 2025 Public Notice Open
Apr 2025 Revised Total Coliform Rule Resolved
Mar 2025 Public Notice Open
Mar 2025 Public Notice Open

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.

REMNANTS OF HURRICANE IDA
Hurricane FEMA DR-4615
REMNANTS OF HURRICANE IDA
Hurricane FEMA DR-3572
HURRICANE HENRI
Hurricane FEMA DR-3565

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

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Greenville (T)'s water.

Request your utility's CCR

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.

Monitor alerts during storms

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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
3.0 ppb
EPA Action Level: 15 ppb · 20% of limit
Safe Level
Compliance Record

Violation summary

92
Total violations
2
Health-based
28
Active / unresolved
Jul 2025
Most recent violation
Compliance Record

Violations & advisories

92 Total
28 Active
2 Health-based
64 Resolved
Violations by category
Synthetic Organic Chemicals
28
Miscellaneous Other Rules
19
Public Notice Rule and Revised PN Rule
16
Revised Total Coliform Rule
6
Consumer Confidence Rule
6
Jul 2025 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jun 2025 Active
Public Notice
Other Violation 0
Mar 2025 Active
Public Notice
Other Violation 0
Mar 2025 Active
Public Notice
Other Violation 0
Jan 2025 Active
Public Notice
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jan 2024 Active
Consumer Confidence Rule
Other Violation 0
Nov 2023 Active
Public Notice
Other Violation 0
Nov 2023 Active
Public Notice
Other Violation 0
Nov 2023 Active
Public Notice
Other Violation 0
Nov 2023 Active
Public Notice
Other Violation 0
Sep 2023 Active
Public Notice
Other Violation 0
Sep 2023 Active
Public Notice
Other Violation 0
Sep 2023 Active
Public Notice
Other Violation 0
Sep 2023 Active
Public Notice
Other Violation 0
Jul 2023 Active
Consumer Confidence Rule
Other Violation 0
Jun 2023 Active
Public Notice
Other Violation 0
Jun 2023 Active
Public Notice
Other Violation 0
Jun 2023 Active
Public Notice
Other Violation 0
Jun 2023 Active
Public Notice
Other Violation 0
Showing 20 of 92 violations
Environmental Risk

Flood & disaster history

10
Declared disasters
Sep 2021
Most recent
Hurricane
Most common type

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.

Sep 2021
REMNANTS OF HURRICANE IDA
Hurricane FEMA #4615
Sep 2021
REMNANTS OF HURRICANE IDA
Hurricane FEMA #3572
Aug 2021
HURRICANE HENRI
Hurricane FEMA #3565
Oct 2012
HURRICANE SANDY
Hurricane FEMA #4085
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Aug 2011
HURRICANE IRENE
Hurricane FEMA #4020

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 3.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 1.1 ppb from 1993 (1.9 ppb) to 2025 (3.0 ppb).
Contaminant Rankings

See how Greenville (T) compares by contaminant

Explore where Greenville (T) ranks among all New York cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,455
Water Systems
3
Water Source

Where Greenville (T)'s water comes from

Groundwater

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.

Local Hydrology

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.

Wallkill River
river
Mongaup River
river
Delaware River
river
Basher Kill
river
Neversink River
river
Infrastructure

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
Regional Comparison

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.

Greenville (T) (this city)
49.7
New York avg
74
City Profile

About Greenville (T), NY

Economic Profile
$79,578
Median Income
$212,068
Median Home Value
$839/mo
Median Rent
0.8%
Unemployment
Community
49
Median Age
38
People / sq mi
33.3%
College Educated
83.8%
Homeownership
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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.