Water Quality in MCCARRAN, NV (89437)

EPA violation data for public water systems serving ZIP code 89437.

163

Total Violations

0

Health-Based

163

Monitoring / Reporting

163

Resolved

What does this mean?

163 of 163 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 163 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: 2 Population served: 13,385

Violations Detail (163 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
GlyphosateMonitoringN/AN/AJun 30, 2025ResolvedN/A
NitrateMonitoringN/AN/ADec 31, 2023ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
NitrateMonitoringN/AN/ADec 31, 2023ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
NitrateMonitoringN/AN/ADec 31, 2023ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
NitrateMonitoringN/AN/ADec 31, 2023ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Carbon tetrachlorideMonitoringN/AN/ADec 31, 2022ResolvedLiver problems; increased risk of cancer
Carbon tetrachlorideMonitoringN/AN/ADec 31, 2022ResolvedLiver problems; increased risk of cancer
Carbon tetrachlorideMonitoringN/AN/ADec 31, 2022ResolvedLiver problems; increased risk of cancer
TetrachloroethyleneMonitoringN/AN/ADec 31, 2022ResolvedLiver problems; increased risk of cancer
TetrachloroethyleneMonitoringN/AN/ADec 31, 2022ResolvedLiver problems; increased risk of cancer

Lead & Copper Levels

Violation Timeline

2025(1)

Glyphosate

03

Jun 30Resolved

2023(4)

Nitrate

03

Dec 31Resolved

Nitrate

03

Dec 31Resolved

Nitrate

03

Dec 31Resolved

Nitrate

03

Dec 31Resolved

How Does This Compare?

MCCARRAN (89437) has 163 recorded violations, none of which are 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

Look for:NSF/ANSI 58 certified

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

Nearby ZIP Codes

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