Greene County, New York
33 ZIP codes · Avg score 52/100 · Grade D · Updated 2026-06-04
Unlike better-scoring counties, Greene County records health-based violations across a meaningful portion of its 33 ZIP codes — the overall safety grade is well below average.
How Greene County Compares
How Greene County Compares
Greene 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: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Greene County, New York
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.3 (asthma 10.8%, diabetes 11.5%)
Estimated additional annual cost per homeowner: $2,166, driven primarily by sea_level
Infrastructure: 0.477% avg pipe failure probability, 82% of ZIPs at high risk
68.8% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Greene County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 13 violations. Past 5 years: 39 total (39 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
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,166
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
27,915 housing units in Greene County
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 Greene County
Remediation costs are relatively manageable for most homeowners in Greene 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 Greene County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Greene County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Sleepy Hollow Lake Water Company | 2,000 | 75 |
| 2 | Ashland Water District | 200 | 68 |
| 3 | Hensonville (windham W.d.) | 490 | 67 |
| 4 | Windham Water District | 420 | 67 |
| 5 | Athens Village | 1,700 | 61 |
44 total water systems serve Greene County.
All ZIP Codes in Greene County
33 ZIP codes tracked in Greene County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 12427 | Elka Park | 69 | C | 2 | $331K |
| 2 | 12482 | South Cairo | 68 | C | 2 | $165K |
| 3 | 12192 | West Coxsackie | 65 | C | 3 | $230K |
| 4 | 12431 | Freehold | 65 | C | 7 | $258K |
| 5 | 12422 | Durham | 64 | C | 2 | $230K |
| 6 | 12015 | Athens | 60 | C | 8 (2 health) | $268K |
| 7 | 12444 | Jewett | 60 | C | 9 | $353K |
| 8 | 12124 | New Baltimore | 59 | C | 4 | $328K |
| 9 | 12407 | Ashland | 58 | C | 15 | $230K |
| 10 | 12468 | Prattsville | 58 | C | 11 (2 health) | $232K |
| 11 | 12439 | Hensonville | 56 | C | 25 | $171K |
| 12 | 12051 | Coxsackie | 54 | D | 14 | $318K |
| 13 | 12042 | Climax | 53 | D | 0 | — |
| 14 | 12058 | Earlton | 53 | D | 0 | $260K |
| 15 | 12436 | Haines Falls | 53 | D | 0 | $242K |
| 16 | 12454 | Maplecrest | 53 | D | 0 | $441K |
| 17 | 12460 | Oak Hill | 53 | D | 0 | $213K |
| 18 | 12463 | Palenville | 53 | D | 0 | $247K |
| 19 | 12469 | Preston Hollow | 53 | D | 0 | $222K |
| 20 | 12473 | Round Top | 53 | D | 0 | $306K |
| 21 | 12087 | Hannacroix | 52 | D | 4 | $235K |
| 22 | 12485 | Tannersville | 52 | D | 15 | $385K |
| 23 | 12083 | Greenville | 45 | D | 42 (12 health) | $265K |
| 24 | 12424 | East Jewett | 45 | D | 0 | $264K |
| 25 | 12450 | Lanesville | 45 | D | 0 | $218K |
| 26 | 12451 | Leeds | 45 | D | 0 | $254K |
| 27 | 12452 | Lexington | 45 | D | 0 | — |
| 28 | 12414 | Catskill | 43 | D | 53 (5 health) | $242K |
| 29 | 12413 | Cairo | 40 | D | 51 (10 health) | $208K |
| 30 | 12418 | Cornwallville | 40 | D | 0 | $262K |
| 31 | 12470 | Purling | 40 | D | 0 | $220K |
| 32 | 12442 | Hunter | 36 | F | 18 | $379K |
| 33 | 12496 | Windham | 26 | F | 42 | $288K |
Recommended Buyer Guides for Greene County
Filtered against federal data, fitted to local risks.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 68.8% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Greene County, New York
Overview
Greene County in New York covers 33 ZIP codes with an average Home Safety Score of D (52/100).
19 of 33 ZIP codes have recorded EPA violations. 31 health-based violations have been documented.
← Back to New York water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.
What You Can Do
Greene County has a grade of D. Here are steps to protect your household.
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.
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
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.
Check for lead in your home
68.8% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.