WaterVerge

Is Wawarsing (T), NY Tap Water Safe to Drink?

Graded D — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

6K residents served 11 water systems PWSID: NY5503751
Overall Score
46 / 100
Violations
49 active
Last Updated
May 2026
Source
Groundwater
#819 of 855 in New York Top 89% nationally
State
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
DGRADE
Water Quality Grade
46/100
waterverge.com
D 46/100

Wawarsing (T), NY — Water Quality Report

Wawarsing (T)'s drinking water received a grade of D (46 out of 100), indicating poor water quality. The city's 11 water systems serve approximately 6,452 residents using groundwater.

Lead levels were measured at 0.0 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 712 violations on record, including 7 health-based violations. 49 remain unresolved.

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

What to know about Wawarsing (T)'s water

Wawarsing (T) ranks #819 out of 855 cities in New York for water quality, placing it among the lowest-rated in the state.

Wawarsing (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.

The system has seen 51 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
46 out of 100 Grade D
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

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

Concerns Identified

Wawarsing (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of D (46/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 11 water systems serve approximately 6,452 residents using groundwater (wells).

49
Active Violations
0.0 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Wawarsing (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 Wawarsing (T)'s water quality assessment. Grade: D (46/100).

Violation
2 drinking water violations recorded

Contaminants: Revised Total Coliform Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

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 Wawarsing (T)'s water supply.

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.60 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Wawarsing (T)'s water system has 712 total violations on record, including 7 health-based violations. 49 remain unresolved. 51 violations were issued in the last 5 years.

MONMRRPTOtherTTMCL
Most recent violations:
Dec 2025 Revised Total Coliform Rule Resolved
Dec 2025 Revised Total Coliform Rule Resolved
Sep 2025 Revised Total Coliform Rule Resolved
Apr 2025 Revised Total Coliform Rule Resolved
Jan 2025 Lead and Copper Rule Open

Flood & environmental risk

Ulster 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 Rondout Creek, Pepacton Res Div Outlet Nr Grahamsville, Cannonsville Res Div Channel Nr Grahamsville, Gumaer Brook.

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

Where does Wawarsing (T)'s water come from?

Wawarsing (T)'s drinking water comes from groundwater (wells), supplied by 11 water systems serving approximately 6,452 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Rondout Creek (river), Pepacton Res Div Outlet Nr Grahamsville (river), Cannonsville Res Div Channel Nr Grahamsville (river), Gumaer Brook (river).

What Wawarsing (T) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Wawarsing (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

Wawarsing (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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.60 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

712
Total violations
7
Health-based
49
Active / unresolved
Dec 2025
Most recent violation
Compliance Record

Violations & advisories

712 Total
49 Active
7 Health-based
663 Resolved
Violations by category
Synthetic Organic Chemicals
218
Miscellaneous Other Rules
121
Volatile Organic Chemicals
100
Total Coliform Rule
72
Inorganic Chemicals
66
Jan 2025 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jan 2023 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2022 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2018 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2016 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Jul 2011 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jul 2010 Active
Consumer Confidence Rule
Other Violation 0
Jan 2009 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2008 Active
Lead and Copper Rule
Treatment Technique
Health-Based Health 0
Jun 2008 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 712 violations
Environmental Risk

Flood & disaster history

10
Declared disasters
Sep 2021
Most recent
Hurricane
Most common type

Ulster 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

Recommended water filters

Based on contaminants detected in Wawarsing (T)'s water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.60 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 6.8 ppb from 1993 (8.0 ppb) to 2025 (1.2 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has decreased by 0.400 mg/L from 2006 (2.000 mg/L) to 2021 (1.600 mg/L).
Contaminant Rankings

See how Wawarsing (T) compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
State
Population Served
6,452
Water Systems
11
Water Source

Where Wawarsing (T)'s water comes from

Groundwater

Wawarsing (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 state ownership and serves approximately 6,452 people through 11 water systems.

Local Hydrology

Water bodies near Wawarsing (T)

Wawarsing (T) is located near 4 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Rondout Creek
river
Pepacton Res Div Outlet Nr Grahamsville
river
Cannonsville Res Div Channel Nr Grahamsville
river
Gumaer Brook
river
Infrastructure

Water systems serving Wawarsing (T)

System Name PWSID Population Source
EASTERN/ULSTER CORRECTIONAL FA NY5503751 2,578 GW
GREENFIELD RESORT NY5505572 1,750 GW
WAWARSING WD NY5530372 500 GW
KERHONKSON WATER DISTRICT NY5503373 495 GW
NAPANOCH WATER DISTRICT NY5530232 400 GW
SAMARITAN VILLAGE NY5505567 275 GW
SHADY ACRES MHP NY5501280 135 GW
SAMARITAN VILLAGE-CAPE ROAD PROJECT NY5503148 100 GW
GLEN MOBILE HOME PARK NY5501283 96 GW
FOUNTAIN VILLAS MOBILE HOME PARK NY5501381 73 GW
YESHIVA OF OCEAN NY5530331 50 GW
Regional Comparison

How Wawarsing (T) compares

Full New York rankings →

Wawarsing (T)'s score of 46/100 is below the average of 74/100 among major New York cities. 10 of 10 nearby cities score higher.

Wawarsing (T) (this city)
46
New York avg
74
City Profile

About Wawarsing (T), NY

Wikipedia →

Napanoch is a hamlet in Town of Wawarsing, in Ulster County, New York, United States. It is at the junction of routes 209 and 55. The population was 1,131 at the 2020 census. Napanoch is on the Shawangunk Ridge National Scenic Byway, and is part of the Hudson River Valley National Heritage Area.

Economic Profile
$78,125
Median Income
$138,704
Median Home Value
2.3%
Unemployment
Community
52
Median Age
227
People / sq mi
10.6%
College Educated
91.5%
Homeownership
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Frequently asked questions

Is Wawarsing (T), NY tap water safe to drink?

Wawarsing (T)'s water quality earned a grade of D (46/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #819 out of 855 cities tested in New York.

What contaminants are in Wawarsing (T)'s water?

Lead was measured at 0.0 ppb (90th percentile). 712 violations are on record.

How is Wawarsing (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 Wawarsing (T)?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Wawarsing (T)'s water come from?

Wawarsing (T)'s water is sourced from Groundwater. The city has 11 water systems serving approximately 6,452 residents.

What health violations has Wawarsing (T)'s water system had?

Wawarsing (T) has 7 health-based violations on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 49 violations remain unresolved.

Is Wawarsing (T)'s groundwater at risk of contamination?

Wawarsing (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 712 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 Wawarsing (T)'s water compare to other cities?

Wawarsing (T) ranks #819 out of 855 cities in New York (better than 4% of state cities) and #13945 out of 15744 cities nationally (11th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.