- EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
- Lithium: found in 38 of 38 samples, average 28.3 µg/L, highest 59 µg/L (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- PFHxS (a PFAS): found in 11 of 38 samples, average 3.2 ppt, highest 29 ppt (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- PFOS (a PFAS): found in 4 of 38 samples, average 1.9 ppt, highest 46 ppt (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- PFBS (a PFAS): found in 6 of 38 samples, average 1.2 ppt, highest 15 ppt (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- PFHxA (a PFAS): found in 6 of 38 samples, average 1 ppt, highest 8.2 ppt (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- PFPeA (a PFAS): found in 5 of 38 samples, average 0.90 ppt, highest 7.9 ppt (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- PFOA (a PFAS): found in 3 of 38 samples, average 0.40 ppt, highest 5.9 ppt (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- PFPeS (a PFAS): found in 2 of 38 samples, average 0.30 ppt, highest 7 ppt (EPA UCMR 5 testing, Jul 2024–Jan 2025)
- Lead, 90th percentile: 3 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2023–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Elko tap water? What EPA records show
EPA NV0000272 · serves Elko, NV · about 23,000 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Elko City of (EPA NV0000272)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Elko's main utility, Elko City of: We found no health-based violations in EPA's records for this system (NV0000272) since July 1, 2021, as of October 14, 2026. EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
What EPA records show for Elko City of, as of October 14, 2026
We found no health-based violations in EPA's records for this system (NV0000272) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Elko City of (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 3 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2023–Dec 31, 2025). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Elko City of use chloramine?
We didn't find chloramine in Elko City of's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.