Rockland County, New York
21 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-06-04
Although county size varies, Rockland County's 21 ZIP codes share reliably safe tap water records and above-average compliance scores.
How Rockland County Compares
How Rockland County Compares
Rockland County scores 14 points above the New York state average (61/100) and 7 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Rockland 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: 11.8 (asthma 10.5%, diabetes 11.3%)
Estimated additional annual cost per homeowner: $4,957, driven primarily by sea_level
Infrastructure: 0.499% avg pipe failure probability, 85% of ZIPs at high risk
80.1% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Rockland County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 75 violations. Past 5 years: 173 total (173 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: $4,957
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
84,882 housing units in Rockland 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 Rockland County
Remediation costs are relatively manageable for most homeowners in Rockland 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 Rockland 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 Rockland County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | VEOLIA WATER NEW YORK | 270,000 | 86 |
| 2 | Nyack Village Water Supply | 14,700 | 30 |
| 3 | Bear Mountain Water Supply | 3,564 | 18 |
| 4 | Mountainview Mobile Home Park | 225 | 16 |
| 5 | Valley View Park | 215 | 16 |
38 total water systems serve Rockland County.
All ZIP Codes in Rockland County
21 ZIP codes tracked in Rockland County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 10993 | West Haverstraw | 95 | A | 0 | $324K |
| 2 | 10927 | Haverstraw | 92 | A | 1 | $362K |
| 3 | 10931 | Hillburn | 85 | A | 4 (2 health) | $468K |
| 4 | 10962 | Orangeburg | 85 | A | 0 | $653K |
| 5 | 10989 | Valley Cottage | 85 | A | 1 | $513K |
| 6 | 10974 | Sloatsburg | 81 | B | 8 (1 health) | $430K |
| 7 | 10913 | Blauvelt | 80 | B | 8 | $622K |
| 8 | 10977 | Spring Valley | 80 | B | 1 | $602K |
| 9 | 10901 | Suffern | 79 | B | 3 (1 health) | $491K |
| 10 | 10911 | Bear Mountain | 79 | B | 2 (1 health) | — |
| 11 | 10952 | Monsey | 77 | B | 6 | $786K |
| 12 | 10956 | New City | 76 | B | 11 (1 health) | $629K |
| 13 | 10970 | Pomona | 75 | B | 0 | $363K |
| 14 | 10982 | Tallman | 73 | B | 0 | — |
| 15 | 12820 | Cleverdale | 73 | B | 0 | — |
| 16 | 12844 | Kattskill Bay | 66 | C | 0 | $1038K |
| 17 | 10984 | Thiells | 65 | C | 0 | $542K |
| 18 | 10923 | Garnerville | 60 | C | 0 | $459K |
| 19 | 10980 | Stony Point | 60 | C | 16 (11 health) | $475K |
| 20 | 10994 | West Nyack | 59 | C | 14 (9 health) | $619K |
| 21 | 10960 | Nyack | 58 | C | 15 (10 health) | $663K |
Recommended Buyer Guides for Rockland County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Lead Paint Test Kits — 80.1% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Rockland County, New York
Overview
Rockland County in New York covers 21 ZIP codes with an average Home Safety Score of B (75/100).
13 of 21 ZIP codes have recorded EPA violations. 36 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.