Rockville Centre, NY Water Safety: 92/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-04
Although water quality varies across any metro, Rockville Centre's systems collectively post above-average compliance scores for NY — and documented violations are few.
How Rockville Centre Compares
Data: EPA SDWIS Last verified: 2026-06-04
Key Facts for Rockville Centre Residents
- Average lead level: 0.001 mg/L.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 10.69.
Rockville Centre's Water Providers
Federal records list 2 water systems tied to Rockville Centre, NY. Of those, 2 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.
Overview
We track water quality and home safety data for 2 ZIP codes in Rockville Centre, New York (population ~28,162), covering 2 community water systems serving approximately 244,700 people region-wide.
No EPA violations recorded across any ZIP codes in Rockville Centre — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Rockville Centre: A (92/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Rockville Centre water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 2 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 11570 | A | Rockville Centre (v) | 24,700 |
| 11571 | A | Rockville Centre (v) | 24,700 |
All ZIP Codes in Rockville Centre
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Rockville Centre Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Remediation Costs Compare in Rockville Centre
Because property values in Rockville Centre comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Rockville Centre are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 117% above the New York average.
Rockville Centre: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Rockville Centre appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Rockville Centre: Flood History & Water Damage Risk
Across the NFIP's long tracking period, Rockville Centre shows 71 claims and 50% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.
Rockville Centre has a moderate flood history with 71 FEMA claims averaging $16,622 per payout. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Rockville Centre, NY