D28/100
WINNEMUCCA CITY OF — Water Quality Report 2026
Serving 8,518 people · Nevada
Water Source
Groundwater
County
—
System ID
NV0000248
Violations
60
Contaminant Test Results
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: July 1, 2024 – July 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: June 1, 2024 – June 30, 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: May 1, 2024 – May 31, 2024Enforcement: 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 WINNEMUCCA CITY OF
Is WINNEMUCCA CITY OF water safe to drink?
WINNEMUCCA CITY OF water receives a grade of D (28/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 60 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WINNEMUCCA CITY OF detected?
31 contaminants were tested in WINNEMUCCA CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does WINNEMUCCA CITY OF have any EPA violations?
Yes, WINNEMUCCA CITY OF has 60 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL, Other. 3 are health-based violations.
How many people does WINNEMUCCA CITY OF serve?
WINNEMUCCA CITY OF serves approximately 8,518 people, Nevada. The system provides water to 1 community: Winnemucca.
What type of water does WINNEMUCCA CITY OF provide?
WINNEMUCCA CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NV0000248.
How does WINNEMUCCA CITY OF compare to other utilities in Nevada?
WINNEMUCCA CITY OF scores 28/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Nevada state page for a full comparison of water systems.