WaterVerge

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

Graded B-, with 18 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

1K residents served 4 water systems PWSID: NY5519179
Overall Score
74.5 / 100
Violations
18 active
Last Updated
May 2026
Source
Ground water under influence
#668 of 855 in New York Top 63% nationally
Private
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
74.5/100
waterverge.com
B- 74.5/100

Marbletown (T), NY — Water Quality Report

Marbletown (T)'s drinking water received a grade of B- (74.5 out of 100), indicating fair water quality. The city's 4 water systems serve approximately 1,456 residents using ground water under influence.

Lead levels were measured at 5.2 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 139 violations on record, including 0 health-based violations. 18 remain unresolved.

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

What to know about Marbletown (T)'s water

Marbletown (T) ranks #668 out of 855 cities in New York for water quality, placing it among the lowest-rated in the state.

Marbletown (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.

While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.

As a small community water system, Marbletown (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

The system has seen 8 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
74.5 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
28/45
C
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 5.2 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
3.5/5
C
Water source: Ground water under influence.
Water Safety

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

Concerns Identified

Marbletown (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of B- (74.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,456 residents using groundwater (wells).

18
Active Violations
5.2 ppb
Lead (90th %ile)
10 events
Disaster History

Recent water quality updates for Marbletown (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 Marbletown (T)'s water quality assessment. Grade: B- (74.5/100).

Violation
1 drinking water violation recorded

Contaminants: LEAD AND COPPER RULE REVISIONS.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Violation
2 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

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 Marbletown (T)'s water supply.

Lead Elevated
Detected: 5.2 ppb Limit: 15 ppb (EPA Action Level)

Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.

Violation history

Marbletown (T)'s water system has 139 total violations on record, including 0 health-based violations. 18 remain unresolved. 8 violations were issued in the last 5 years.

RPTMONMROther
Most recent violations:
Oct 2024 LEAD AND COPPER RULE REVISIONS Open
Feb 2024 Revised Total Coliform Rule Resolved
Jan 2024 TTHM Resolved
Jan 2024 Total Haloacetic Acids (HAA5) Resolved
Jan 2023 TTHM Resolved

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 Esopus Creek, Rondout Creek, Wallkill 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 Marbletown (T)'s water come from?

Marbletown (T)'s drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 1,456 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Esopus Creek (river), Rondout Creek (river), Wallkill River (river).

What Marbletown (T) residents can do

Install a water filter

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

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Marbletown (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
5.2 ppb
EPA Action Level: 15 ppb · 34% of limit
Safe Level
Compliance Record

Violation summary

139
Total violations
0
Health-based
18
Active / unresolved
Oct 2024
Most recent violation
Compliance Record

Violations & advisories

139 Total
18 Active
0 Health-based
121 Resolved
4 SNC
Violations by category
Synthetic Organic Chemicals
47
Volatile Organic Chemicals
20
Miscellaneous Other Rules
13
Stage 2 Disinfectants and Disinfection Byproducts Rule
12
Consumer Confidence Rule
9
Oct 2024 Active
LEAD AND COPPER RULE REVISIONS
Reporting
Reporting 0
Jul 2017 Active
Consumer Confidence Rule
Other Violation 0
Jul 2016 Active
Consumer Confidence Rule
Other Violation 0
Jul 2015 Active
Consumer Confidence Rule
Other Violation 0
Oct 2014 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2012 Active
Consumer Confidence Rule
Other Violation 0
Oct 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 2010 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2009 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Jul 2004 Active
Consumer Confidence Rule
Other Violation 0
Oct 1996 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Oct 1995 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Feb 2024 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Feb 2024
Jan 2024 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2024
Showing 20 of 139 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 Marbletown (T)'s water supply, we recommend the following filter types.

🚰
For Lead
Reverse Osmosis or NSF 53-Certified Pitcher
Lead detected at 5.2 ppb
Read our guide →

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 5.2 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 decreased by 5.8 ppb from 1993 (8.5 ppb) to 2025 (2.7 ppb).
Contaminant Rankings

See how Marbletown (T) compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Ground Water Under Influence
Operator
Private
Population Served
1,456
Water Systems
4
Source breakdown
Groundwater
2
Ground Water Under Influence
1
Purchased Surface Water
1
Water Source

Where Marbletown (T)'s water comes from

Ground Water Under Influence

Marbletown (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 private ownership and serves approximately 1,456 people through 4 water systems.

Local Hydrology

Water bodies near Marbletown (T)

Marbletown (T) is located near 3 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Esopus Creek
river
Rondout Creek
river
Wallkill River
river
Infrastructure

Water systems serving Marbletown (T)

System Name PWSID Population Source
LAKE MOHONK MOUNTAIN HOUSE NY5519179 880 GU
HIGH FALLS WATER DISTRICT NY5530250 426 SWP
WOODLAND COUNTRY APARTMENTS NY5521386 85 GW
HIGH RIDGE WATER COMPANY NY5521677 65 GW
Regional Comparison

How Marbletown (T) compares

Full New York rankings →

Marbletown (T)'s score of 74.5/100 is on par with the average of 74/100 among major New York cities. It outscores 4 of 10 nearby cities. 6 of 10 nearby cities score higher.

Marbletown (T) (this city)
74.5
New York avg
74
City Profile

About Marbletown (T), NY

Economic Profile
$86,091
Median Income
$375,712
Median Home Value
$1,537/mo
Median Rent
7.6%
Unemployment
Community
26.1
Median Age
169
People / sq mi
61.6%
College Educated
54%
Homeownership
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Frequently asked questions

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

Marbletown (T)'s water quality earned a grade of B- (74.5/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #668 out of 855 cities tested in New York.

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

Lead was measured at 5.2 ppb (90th percentile). 139 violations are on record.

How is Marbletown (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 Marbletown (T)?

While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.

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

Marbletown (T)'s water is sourced from Ground water under influence. The city has 4 water systems serving approximately 1,456 residents.

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

Marbletown (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 139 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 Marbletown (T)'s water compare to other cities?

Marbletown (T) ranks #668 out of 855 cities in New York (better than 22% of state cities) and #9841 out of 15744 cities nationally (38th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.