COUNTY REPORT NY

Ulster County, New York

55 ZIP codes · Avg score 52/100 · Grade D · Updated 2026-06-03

State safety rankings put Ulster County near the bottom — 55 ZIP codes, below-average compliance.

How Ulster County Compares

Ulster County52/100
New York avg61/100
National avg68/100

How Ulster County Compares

D
County Grade
52/100
Avg Safety Score
55
ZIP Codes
81
Water Systems

Ulster County scores 9 points below the New York state average (61/100) and 16 points below the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

D
County Grade
52
Avg Safety Score
55
ZIP Codes
Best ZIP: 12466 (70/100)
Lowest ZIP: 12401 (25/100)
$299K
Median Home Value
$2,438
Avg Remediation (81% of home value)

ZIP Code Risk Map

Water Quality Map: Ulster County, New York

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 12.5 (asthma 10.4%, diabetes 11%)

Estimated additional annual cost per homeowner: $2,385, driven primarily by sea_level

Infrastructure: 0.473% avg pipe failure probability, 80% of ZIPs at high risk

75.8% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

EPA violation counts by year across Ulster County water systems. Health-based shown in red, total in blue.

2021
7 (7 health)
2022
3 (3 health)
2023
4 (4 health)
2024
12 (12 health)
2025
7 (7 health)

Peak year: 2024 with 12 violations. Past 5 years: 33 total (33 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.4% (national: 8.9%)
Diabetes 11% (national: 10.5%)
Obesity 30.7% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1965
Median Build Year
75.8%
Pre-1978 Housing
47%
Pipe Failure Probability
80%
ZIPs at High Infra Risk
High
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $2,385

Sea Level Rise $873/yr
Flood $647/yr
Energy Code Gap $511/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

80,466 housing units in Ulster County

Pre-1940 26%
1940–1959 19%
1960–1979 22%
1980–1999 20%
2000+ 13%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Ulster County

$299K
Median Home Value
$2,438
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Ulster County, representing a small fraction of property value.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Ulster County residents

Asthma 10.4% (US avg: 8.9%)
Diabetes 11% (US avg: 11%)
Obesity 30.7% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Ulster County ranked by EPA violation count.

# Water System Population Violations
1 Maple Ridge Community 325 91
2 Tillson Estates Commission Assoc. 382 90
3 Hudson Valley Water Company #2 225 90
4 Rosendale Plains Homeowners 140 85
5 Rosendale Water District 2,200 79

81 total water systems serve Ulster County.

All ZIP Codes in Ulster County

55 ZIP codes tracked in Ulster County.

# ZIP Code City Safety Score Grade Violations Home Value
1 12466 Port Ewen 70 B 0 $273K
2 12471 Rifton 70 B 0 $226K
3 12487 Ulster Park 70 B 0 $273K
4 12435 Greenfield Park 66 C 1 $263K
5 12486 Tillson 66 C 42 (1 health) $299K
6 12548 Modena 66 C 0 $328K
7 12449 Lake Katrine 64 C 2 (1 health) $227K
8 12458 Napanoch 62 C 0 $206K
9 12489 Wawarsing 62 C 13 $245K
10 12725 Claryville 62 C 6 $320K
11 12419 Cottekill 61 C 6 (1 health) $304K
12 12429 Esopus 61 C 28 (1 health)
13 12443 Hurley 61 C 13 (1 health) $325K
14 12472 Rosendale 61 C 43 (1 health) $284K
15 12480 Shandaken 61 C 11 (1 health) $296K
16 12547 Milton 59 C 29 (6 health) $384K
17 12561 New Paltz 59 C 5 (1 health) $412K
18 12568 Plattekill 58 C 13
19 12493 West Park 57 C 28 (1 health)
20 12525 Gardiner 57 C 10 (2 health) $363K
21 12428 Ellenville 56 C 1 $201K
22 12477 Saugerties 56 C 8 (1 health) $292K
23 12491 West Hurley 55 C 0 $332K
24 12528 Highland 54 D 21 (3 health) $337K
25 12409 Bearsville 53 D 0 $662K
26 12411 Bloomington 53 D 0 $288K
27 12417 Connelly 53 D 0 $239K
28 12448 Lake Hill 53 D 0 $924K
29 12453 Malden On Hudson 53 D 0
30 12456 Mount Marion 53 D 0 $183K
31 12483 Spring Glen 53 D 0
32 12484 Stone Ridge 53 D 0 $442K
33 12492 West Kill 53 D 0 $403K
34 12495 Willow 53 D 0 $346K
35 12574 Rhinecliff 53 D 0 $589K
36 12580 Staatsburg 53 D 0 $377K
37 12740 Grahamsville 53 D 0 $279K
38 12498 Woodstock 50 D 9 $542K
39 12410 Big Indian 45 D 0 $252K
40 12412 Boiceville 45 D 0 $274K
41 12416 Chichester 45 D 0 $267K
42 12440 High Falls 45 D 0 $389K
43 12494 West Shokan 45 D 0 $362K
44 12420 Cragsmoor 40 D 0 $206K
45 12433 Glenford 40 D 0
46 12457 Mount Tremper 40 D 0 $386K
47 12464 Phoenicia 40 D 0 $368K
48 12475 Ruby 40 D 0 $350K
49 12481 Shokan 40 D 0 $236K
50 12763 Mountain Dale 40 D 0 $238K
51 12769 Phillipsport 40 D 0
52 12446 Kerhonkson 38 F 35 $274K
53 12566 Pine Bush 32 F 22 (9 health) $334K
54 12402 Kingston 26 F 30 (7 health)
55 12401 Kingston 25 F 30 (7 health) $286K

Recommended Buyer Guides for Ulster County

If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.

Overview

Ulster County in New York covers 55 ZIP codes with an average Home Safety Score of D (52/100).

23 of 55 ZIP codes have recorded EPA violations. 44 health-based violations have been documented.

← Back to New York water quality report

Data Sources

Updated daily.

What You Can Do

Ulster County has a grade of D. Here are steps to protect your household.

1

Test your tap water

Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.

2

Consider a certified water filter

NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher

3

Contact your water utility

Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.

4

Check for lead in your home

75.8% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.

Frequently Asked Questions

Is water safe in Ulster County?
Ulster County receives a grade of D. 16 of 55 ZIP codes have health-based violations. Independent water testing is recommended.
How many water systems serve Ulster County?
Ulster County is served by 81 public water systems that supply drinking water to residents across 55 ZIP codes.
What is the biggest environmental risk in Ulster County?
The primary environmental risk factor in Ulster County is sea_level. This contributes to an estimated additional annual cost of $2,385 per homeowner.
How old are homes in Ulster County?
The median home build year in Ulster County is 1965. 75.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Ulster County compare to New York?
Ulster County has an average water safety score of 52/100, which is below the New York state average of 61/100.

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