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 ↓
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.
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.
Water quality score
See methodology →Is Marbletown (T), NY water safe to drink?
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).
Recent water quality updates for Marbletown (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Marbletown (T)'s water quality assessment. Grade: B- (74.5/100).
Contaminants: LEAD AND COPPER RULE REVISIONS.
Contaminants: Revised Total Coliform Rule.
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
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 Marbletown (T)'s water supply.
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.
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.
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
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Marbletown (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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
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.
Recommended water filters
Based on contaminants detected in Marbletown (T)'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. | 5.2 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Marbletown (T) compares by contaminant
Explore where Marbletown (T) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Marbletown (T)'s water comes from
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.
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.
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 |
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.
Nearby cities
View New York rankings →About Marbletown (T), NY
Learn more about your water
Guides and resources related to Marbletown (T)'s water quality findings.
Explore water quality across Ulster
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.