F18/100

ELKO CITY OF — Water Quality Report 2026

Serving 23,000 people · Nevada

Water Source
Groundwater
County
System ID
NV0000272
Violations
32

Contaminant Test Results

5 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
PFOS
0.046 µg/L0.004 µg/LOver Limit
PFHxS
0.029 µg/L0.010 µg/LOver Limit
PFOA
0.006 µg/L0.004 µg/LOver Limit
chlorate
440.00 µg/LAbove Goal
Lead (90th percentile)
0.003 mg/L0.015 mg/LAbove Goal

EPA Violation History

3

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – March 31, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – September 30, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: April 1, 2022 – June 30, 2022Enforcement: Resolving — corrective action underway

Understanding violation severity

Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.

Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly

Frequently Asked Questions About ELKO CITY OF

Is ELKO CITY OF water safe to drink?

ELKO CITY OF water receives a grade of F (18/100), which is considered failing. 3 contaminant(s) exceed EPA legal limits and 32 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has ELKO CITY OF detected?

66 contaminants were tested in ELKO CITY OF's water. Notable contaminants include PFOS, PFHxS, PFOA, Lead (90th percentile), chlorate. 3 exceed EPA legal limits (MCLs). 5 exceed EPA health goals (MCLGs).

Does ELKO CITY OF have any EPA violations?

Yes, ELKO CITY OF has 32 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL. 5 are health-based violations.

How many people does ELKO CITY OF serve?

ELKO CITY OF serves approximately 23,000 people, Nevada. The system provides water to 1 community: Elko.

What type of water does ELKO CITY OF provide?

ELKO CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NV0000272.

How does ELKO CITY OF compare to other utilities in Nevada?

ELKO CITY OF scores 18/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Nevada state page for a full comparison of water systems.

Cities Served