Water Quality in LARCHMONT, NY (10538)

EPA violation data for public water systems serving ZIP code 10538.

182

Total Violations

5

Health-Based

177

Monitoring / Reporting

182

Resolved

What does this mean?

182 of 182 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 177 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 3 Population served: 6,585

Violations Detail (182 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Lead and Copper RuleMonitoringN/AN/ASep 30, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ASep 30, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AMay 11, 2022ResolvedN/A
Public NoticeMonitoringN/AN/AMay 11, 2022ResolvedN/A
Public NoticeMonitoringN/AN/AMay 11, 2022ResolvedN/A
Public NoticeMonitoringN/AN/AMay 11, 2022ResolvedN/A
Public NoticeMonitoringN/AN/AMay 11, 2022ResolvedN/A
Lead and Copper RuleHealth-BasedN/AN/AMar 31, 2022ResolvedN/A
Lead and Copper RuleHealth-BasedN/AN/AMar 31, 2022ResolvedN/A
Lead and Copper RuleHealth-BasedN/AN/AMar 31, 2022ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(2)

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

2022(10)

Public Notice

75

May 11Resolved

Public Notice

75

May 11Resolved

Public Notice

75

May 11Resolved

Public Notice

75

May 11Resolved

Public Notice

75

May 11Resolved

Lead and Copper Rule

57

Mar 31Resolved

Lead and Copper Rule

57

Mar 31Resolved

Lead and Copper Rule

57

Mar 31Resolved

Lead and Copper Rule

57

Mar 31Resolved

Lead and Copper Rule

57

Mar 31Resolved

How Does This Compare?

LARCHMONT (10538) has 182 recorded violations, including 5 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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