Southern Desert Correctional Ctr Ndoc, NV
Lead detected, under the action levels
Latest 90th-percentile lead: 1.2 ppb (monitoring period 2025-2027). 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.
About Southern Desert Correctional Ctr Ndoc
Southern Desert Correctional Ctr Ndoc serves about 6,200 people through 19 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by the state and draws groundwater, in Clark County, Nevada. EPA system ID: NV0005062; phone on file: 702-486-9928. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2025 (1.2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Southern Desert Correctional Ctr Ndoc is 15 ppb across 10 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2027 | 1.2 ppb |
| 2025 | 1.2 ppb |
| 2024 | 0 (not detected) |
| 2023 | 2.48 ppb |
| 2022 | 0 (not detected) |
| 2021 | 3 ppb |
| 2018 | 4 ppb |
| 2017 | 4 ppb |
| 2016 | 7 ppb |
| 2016 | 15 ppb over 10 |
Against other Nevada systems
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. Southern Desert Correctional Ctr Ndoc's 1.2 ppb sits at the 59th percentile in Nevada and the 59th nationally (higher means more lead).
Nearby utilities
44 other systems share Clark County; 18 of them have a higher latest lead result than Southern Desert Correctional Ctr Ndoc. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Las Vegas Valley Water District | 1,539,277 | 2.08 ppb |
| 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 |
| Signature Towers | 2,356 | 0 (not detected) |
What to do in your house
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 Southern Desert Correctional Ctr Ndoc 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.