Casas Adobes Mdwca, NM
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest 90th-percentile result was reported as 0 (not detected at the lab's limit). That says the sampled homes were low, not that your home has no lead service line. Check your utility's service line inventory for your address.
Casas Adobes Mdwca at a glance
Casas Adobes Mdwca serves about 610 people through 250 service connections, which makes it a small system under EPA's size classes. It is privately owned and draws groundwater, in Grant County, New Mexico. EPA system ID: NM3510209; phone on file: 575-536-3028. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2025 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Casas Adobes Mdwca is 15 ppb across 4 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2025 | 1 ppb |
| 2021 | 15 ppb over 10 |
| 2018 | 1 ppb |
How Casas Adobes Mdwca compares
Of the 504 New Mexico systems with a lead result, the median latest reading is 1.4 ppb; 14 are over 15 ppb right now and 46 have gone over at some point. Casas Adobes Mdwca's reported as 0 (not detected) sits at the 18th percentile in New Mexico and the 24th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Neighbouring systems
16 other systems share Grant County; 14 of them have a higher latest lead result than Casas Adobes Mdwca. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Silver City Water System | 14,400 | 0.76 ppb |
| Bayard Municipal Water System | 2,616 | 2.1 ppb |
| Santa Clara Water System | 1,682 | 5.4 ppb |
| Hurley, Town Of | 1,613 | 0.57 ppb |
| Arenas Valley Mdwca | 1,204 | 1.4 ppb |
| Freeport Mcmoran Chino Mines | 1,050 | 6 ppb |
| Tyrone Townsite | 782 | 0.67 ppb |
| Burro Mountain Homestead | 415 | 12 ppb |
| North Hurley Mdwca | 404 | 0.85 ppb |
| Pinos Altos Mdwca | 348 | 0.43 ppb |
Your move
Look up your address in Casas Adobes Mdwca's service line inventory. If it says lead, galvanized or unknown, test your tap. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Casas Adobes Mdwca 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. A zero today does not rule out a jump later - the rules are tightening in 2027.