Is lead a concern in Henderson’s water? The public water system record for Henderson, Clark County, NV, shows no health-based violations for lead. However, lead can vary in household water due to plumbing, so understanding the data and your options is key.
Why aesthetic secondary standards differ from health-based limits for lead
Lead’s health-based limit is backed by EPA risk assessments
The EPA uses health-based limits focused on lead’s potential long-term effects. Henderson’s water system reports no exceedance of these limits in supplied water, meaning the system meets federal health standards.
Aesthetic standards address taste, staining, and plumbing corrosion
While aesthetic secondary standards for substances like lead-related corrosion exist, these do not indicate safety or health concerns but rather water characteristics that might affect appearance or taste.
What distinguishes lead concerns from common confusions in water problems
Lead differs from naturally occurring metals like iron or manganese
Unlike iron or manganese, which cause color or taste issues and may exceed aesthetic limits without health impacts, lead primarily arises from household plumbing and is monitored by health-focused tests.
Lead is not the same as total dissolved solids or chlorides
These other constituents affect taste and corrosivity but do not measure lead presence or risk. Lead testing focuses on metal particulates distinct from dissolved solids content.
How seasonal or multi-year variation shows in the record
Latest lead 90th percentile sample from 2025 shows 0.0038 mg/L
Henderson’s public water system sampled lead distribution in December 2025, reporting a 90th percentile level of 0.0038 mg/L, well within EPA health-based thresholds.
No recorded health-based violations in recent years
Since the system’s record shows zero health-based violations, it suggests lead levels have consistently remained low relative to regulatory limits over multiple years.
How the treated water differs at the tap with the C-Series Lead in Water Filter
The C-Series system reduces lead from household plumbing sources
This filter targets lead particles that might enter water through home plumbing, providing an additional barrier beyond municipal treatment.
Water treated by the C-Series system meets or surpasses safety and aesthetic expectations
By lowering lead concentration at the tap, the system helps maintain clear, tasteless water that aligns with both health and aesthetic standards locally.
How public-system records differ from private-well testing in what they establish
Public water data reflects the treated water at the system level, not individual homes
Henderson’s data measures lead after treatment and before household plumbing, so actual home water can vary due to internal pipes.
Private well water requires separate testing to know lead levels
Individual households on private wells or with unique plumbing conditions need certified laboratory testing to establish their specific lead concentration.
What you should not conclude from Henderson’s public water data
The absence of health-based violations or elevated lead levels in Henderson’s system record does not guarantee every household’s tap water is free from lead. Variations can occur inside homes. Testing your own water is the only way to know your specific lead level. Using the C-Series Lead in Water Filter can provide extra assurance by reducing lead that may come from household plumbing rather than the water system itself.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2025-12-31. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA SDWIS record for HENDERSON CITY OF (NV0000076), surface water supply, serving 336534 people: 0 health-based violations of 0 total; lead 90th percentile 0.0038 mg/L