A89/100
Reno Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 453,110 residents · Nevada
What's In Reno's Tap Water?
76
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1992.
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
Water Utility Details
TRUCKEE MEADOWS WATER AUTHORITY
Population Served
442,000
Water Source
Surface Water
System ID
NV0000190
GREAT BASIN WATER CO COLD SPRINGS
Population Served
9,650
Water Source
Groundwater
System ID
NV0000207
GREAT BASIN WATER CO SPANISH SPRINGS
Population Served
1,460
Water Source
Groundwater
System ID
NV0001086
Frequently Asked Questions About Reno Water
Is Reno tap water safe to drink?
Reno, Nevada tap water receives a grade of A (89/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Reno's water?
76 contaminants were tested in Reno's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Reno have any water quality violations?
Yes, Reno has 15 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, MCL, TT. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Reno?
Reno water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Reno's tap water come from?
Reno's drinking water is sourced from surface water and supplied by TRUCKEE MEADOWS WATER AUTHORITY and 2 other water system(s). The system serves approximately 453,110 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Reno's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Reno's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Reno's water compare to other cities in Nevada?
Reno's water quality score of 89/100 earns a grade of A, which is considered excellent. This places Reno among the better-performing water systems in Nevada. Visit our Nevada state page to see how all cities in the state compare.
What should I do if I'm concerned about Reno's water quality?
If you have concerns about Reno's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (TRUCKEE MEADOWS WATER AUTHORITY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.