Water Service Outages in Nevada by City
82% of Nevada's 195 community water systems serve 3,300 people or fewer, so many outages and boil water notices affect a single small town or subdivision.
Nevada drinking water record
Busiest year: 2024 (71 violations). Counted by the year the violation period began. Source: EPA SDWIS.
- Community water systems: 195 active systems serve about 3,121,873 people. 160 of them (82%) serve 3,300 people or fewer; 173 draw mainly on groundwater and 22 on surface water.
- Health-based violations since 2015: 394, at 69 systems (35% of all systems). That share is 34th of 50 states (1 = lowest).
- Most common problems: contaminant averages over the limit (274); uncorrected Ground Water Rule deficiencies (71); contaminant readings over the limit (12). Source: EPA SDWIS
- Largest system: Las Vegas Valley Water District, about 1,539,277 people, with 0 health-based violations since 2015. Source: EPA SDWIS
- Housing age: the median Nevada home was built in 1996 (US 1980). Source: US Census Bureau, ACS 2020–2024 (table B25035)
- Storm damage to water service: NOAA storm narratives mention water mains, boil water notices or lost water service in 1 episodes in Nevada since 2015. Source: NOAA Storm Events Database
- April 9, 2019, Las Vegas Valley (strong wind): “Strong winds uprooted a large tree at the Las Vegas Country Club, causing a water main break which flooded streets in the area.” Source: NOAA Storm Events Database
| System | People served | Main source | Health violations since 2015 |
|---|---|---|---|
| Las Vegas Valley Water District | 1,539,277 | Bought surface water | 0 |
| Truckee Meadows Water Authority | 442,000 | Surface water | 0 |
| North Las Vegas Utilities | 376,515 | Bought surface water | 0 |
| Henderson City Of | 336,534 | Bought surface water | 0 |
| Carson City Public Works | 59,000 | Surface water | 0 |
| Virgin Valley Water District | 26,000 | Groundwater | 0 |
Source: EPA SDWIS.
Nevada is 4th of 6 (1 = lowest share). Source: EPA SDWIS.
Checked September 2026.
Who to call in Nevada, city by city
5 Nevada cities on this site and the water utility for each. What to do while you wait is in our water service outage guide.
- Las Vegas Las Vegas Valley Water District
- Henderson City of Henderson Utility Services
- Reno Truckee Meadows Water Authority (TMWA)
- North Las Vegas City of North Las Vegas Utilities
- Sparks Truckee Meadows Water Authority (TMWA)
Frequently asked questions
Is there a water service outage in Nevada right now?
Not on this site: no reports from Nevada in the last 24 hours.
How many public water systems are in Nevada?
EPA records list 195 active community water systems in Nevada, serving about 3,121,873 people. 82% serve 3,300 people or fewer.
How common are drinking water violations in Nevada?
Since 2015, 69 of 195 community water systems in Nevada (35%) have had at least one health-based violation, 394 in total.
What is the largest water system in Nevada?
Las Vegas Valley Water District, which EPA records list as serving about 1,539,277 people.
Report counts are user-submitted; other figures name their official source. How our data works
Cities in Nevada with Water Service Outages Information
Henderson
no reports in the last 24 hours · pop. 320,189
City of Henderson Utility Services
Las Vegas
no reports in the last 24 hours · pop. 641,903
Las Vegas Valley Water District
North Las Vegas
no reports in the last 24 hours · pop. 262,527
City of North Las Vegas Utilities
Reno
no reports in the last 24 hours · pop. 264,165
Truckee Meadows Water Authority (TMWA)
Sparks
no reports in the last 24 hours · pop. 108,445
Truckee Meadows Water Authority (TMWA)