Is Rosendale (T), NY Tap Water Safe to Drink?
Graded D, with 51 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
49/100
waterverge.com Rosendale (T), NY — Water Quality Report
Rosendale (T)'s drinking water received a grade of D (49 out of 100), indicating poor water quality. The city's 7 water systems serve approximately 3,545 residents using surface water.
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 560 violations on record, including 3 health-based violations. 51 remain unresolved.
What to know about Rosendale (T)'s water
Rosendale (T) ranks #797 out of 855 cities in New York for water quality, placing it among the lowest-rated in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
The system has seen 60 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Rosendale (T), NY water safe to drink?
Rosendale (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of D (49/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 7 water systems serve approximately 3,545 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Rosendale (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Rosendale (T)'s water quality assessment. Grade: D (49/100).
Contaminants: LEAD AND COPPER RULE REVISIONS, Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule.
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 Rosendale (T)'s water supply.
Well within EPA limits.
Violation history
Rosendale (T)'s water system has 560 total violations on record, including 3 health-based violations. 51 remain unresolved. 60 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.
Where does Rosendale (T)'s water come from?
Rosendale (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 7 water systems serving approximately 3,545 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Esopus Creek (river), Rondout Creek (river).
What Rosendale (T) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Rosendale (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.
Rosendale (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.
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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Rosendale (T) compares by contaminant
Explore where Rosendale (T) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Rosendale (T)'s water comes from
Rosendale (T)'s drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 3,545 people through 7 water systems.
Water bodies near Rosendale (T)
Rosendale (T) is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Rosendale (T)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| ROSENDALE WATER DISTRICT | NY5503383 | 2,200 | SW |
| HIGH FALLS WATER DISTRICT | NY5530250 | 426 | SWP |
| TILLSON ESTATES COMM. ASSOC. | NY5503385 | 382 | GW |
| HUDSON VALLEY WATER CO #2 | NY5503384 | 225 | GW |
| ROSENDALE PLAINS HOMEOWNERS | NY5503396 | 140 | GW |
| RIVERS EDGE MHP | NY5501282 | 117 | GW |
| COTTEKILL VILLAGE | NY5520539 | 55 | GW |
How Rosendale (T) compares
Full New York rankings →Rosendale (T)'s score of 49/100 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 →Learn more about your water
Guides and resources related to Rosendale (T)'s water quality findings.
Explore water quality across Ulster
Frequently asked questions
Is Rosendale (T), NY tap water safe to drink?
Rosendale (T)'s water quality earned a grade of D (49/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #797 out of 855 cities tested in New York.
What contaminants are in Rosendale (T)'s water?
Lead was measured at 0.0 ppb (90th percentile). 560 violations are on record.
How is Rosendale (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 Rosendale (T)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Rosendale (T)'s water come from?
Rosendale (T)'s water is sourced from Surface water. The city has 7 water systems serving approximately 3,545 residents.
What health violations has Rosendale (T)'s water system had?
Rosendale (T) has 3 health-based violations on record. The most recent violation was recorded in October 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 51 violations remain unresolved.
How does Rosendale (T)'s water compare to other cities?
Rosendale (T) ranks #797 out of 855 cities in New York (better than 7% of state cities) and #13321 out of 15744 cities nationally (15th percentile). The grade of D reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.