Rancho Vista 4, NV
Lead detected, under the action levels
Latest 90th-percentile lead: 3.1 ppb (monitoring period 2026-2026). 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
Rancho Vista 4 serves about 50 people through 27 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Nye County, Nevada. EPA system ID: NV0002571; phone on file: 702-372-3262. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 3.1 ppb from 0 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Rancho Vista 4 is 3.1 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 3.1 ppb |
| 2022 | 0 (not detected) |
| 2019 | 0 (not detected) |
| 2018 | 2 ppb |
| 2017 | 2 ppb |
How Rancho Vista 4 compares
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. Rancho Vista 4's 3.1 ppb sits at the 87th percentile in Nevada and the 83rd nationally (higher means more lead).
Nearby utilities
25 other systems share Nye County; 1 of them has a higher latest lead result than Rancho Vista 4. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Great Basin Water Company | 12,255 | 3 ppb |
| Mountain Falls Water System Gbwc | 4,345 | 0 (not detected) |
| Tonopah Public Utilities | 2,853 | 3 ppb |
| Round Mountain Puc | 1,200 | 0 (not detected) |
| Desert Utilities | 1,086 | 0 (not detected) |
| Country View Estates Gbwc | 1,072 | 3 ppb |
| Beatty Water And Sanitation District | 1,024 | 1.4 ppb |
| Pahrump Utility Company Inc | 985 | 0.6 ppb |
| Carvers Smokey Valley Rv And Mhp | 250 | 0 (not detected) |
| Shoshone Estates Water Co Inc | 240 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Pahrump, 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 Rancho Vista 4 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. The lead result guide covers how utilities pick the homes they sample. Systems that went over once often dip back under; here is what that means.