ZIP Code 11570 Water Quality Report
Rockville Centre, NY · Nassau County County
Water Safety Grade
Excellent — Meets all EPA standards
Health Violations
0
Total Violations
0
Lead Risk
High
Contaminants
0
About Tap Water in ZIP Code 11570
Tap water in ZIP code 11570 (Rockville Centre, NY) is among the safest in the country. Served by Rockville Centre (v), this area earned a water safety grade of A with a composite score of 85/100 — indicating full regulatory compliance and low contaminant risk across EPA monitoring periods.
Water System
Rockville Centre (v)
EPA ID: NY2902848
Water Source
Ground Water
Population Served
24,700 residents
County
Nassau County County, New York
Lead Levels in ZIP 11570
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 1.0 ppb — Very Low
Lead exposure risk in 11570 is rated High. EPA models estimate a 61% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This typically reflects older housing stock built before 1986 (when lead pipes were banned), aging distribution infrastructure, or detected lead levels in water samples. Families should prioritize getting their tap water tested independently and installing a certified lead-reducing filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
Rockville Centre (v) has recorded zero violations in the EPA compliance database over the past 5 years — a strong indicator of consistent regulatory compliance and careful monitoring.
Regulatory compliance risk for Rockville Centre (v) is rated Low — indicating a consistent track record of meeting EPA reporting and treatment requirements.
Contaminants Detected
Contaminants with health-based violations on record
No health-based contaminant violations are on record for ZIP code 11570. This means EPA monitoring has not found levels of regulated contaminants exceeding the Maximum Contaminant Levels (MCLs) set under the Safe Drinking Water Act — a positive indicator of water quality compliance.
Water Source & Environmental Factors
Ground Water
This system draws water from underground aquifers. Groundwater is naturally filtered through soil and rock, but can still contain naturally occurring minerals like arsenic, radium, or nitrates.
Lower potential
Estimated annual flood-related costs per property
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.
🛡 What Should You Do? — ZIP 11570 Recommendations
Your water quality is good
- ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
- ✓ Request your annual Consumer Confidence Report from Rockville Centre (v)
- ✓ If your home was built before 1986, consider testing your own tap for lead
- ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste
Frequently Asked Questions — ZIP 11570 Water Quality
Is tap water safe to drink in ZIP code 11570?+
What is the lead level in 11570 tap water?+
Who provides tap water to 11570?+
What is the water source for 11570?+
Does 11570 have any active water quality violations?+
How do I get a copy of my water quality report for 11570?+
What water filter should I use in 11570?+
Is 11570 tap water safe for babies and infants?+
Data Sources & Methodology
Water quality data for ZIP code 11570 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Rockville Centre (v). Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →