Las Vegas Valley Water District, NV
Lead detected, under the action levels
Latest 90th-percentile lead: 2.08 ppb (monitoring period 2023-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Who runs the water here
Las Vegas Valley Water District serves about 1,539,277 people through 442,502 service connections, which makes it a very large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Clark County, Nevada. EPA system ID: NV0000090; phone on file: 702-862-3776. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
The highest 90th-percentile result EPA holds for Las Vegas Valley Water District is 2.08 ppb across 1 monitoring period, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2.08 ppb |
Where this result ranks
Of the 204 Nevada systems with a lead result, the median latest reading is 1 ppb; 0 are over 15 ppb right now and 13 have gone over at some point. Las Vegas Valley Water District's 2.08 ppb sits at the 76th percentile in Nevada and the 74th nationally (higher means more lead).
Neighbouring systems
44 other systems share Clark County; 10 of them have a higher latest lead result than Las Vegas Valley Water District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| North Las Vegas Utilities | 376,515 | 1.38 ppb |
| Henderson City Of | 336,534 | 3.8 ppb |
| Virgin Valley Water District | 26,000 | 0 (not detected) |
| Nellis Air Force Base | 19,081 | 6.66 ppb |
| Boulder City | 15,000 | 2.41 ppb |
| Big Bend Water District | 9,000 | 1.89 ppb |
| Moapa Valley Water District | 8,500 | 2 ppb |
| Primm Valley Casino Resorts | 7,000 | 2 ppb |
| Southern Desert Correctional Ctr Ndoc | 6,200 | 1.2 ppb |
| Signature Towers | 2,356 | 0 (not detected) |
Next steps for Las Vegas, NV
Test your own tap with a certified lab first-draw sample; Las Vegas, NV may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Las Vegas Valley Water District whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. What a 90th-percentile result does and does not tell you: how to read a lead result. Size matters more than most people expect: small vs large water systems.