San Luis Cabezon Mdwca, NM
Lead reported as not detected
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2022-2024). 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.
Who runs the water here
San Luis Cabezon Mdwca serves about 320 people through 118 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Sandoval County, New Mexico. EPA system ID: NM3501823; phone on file: 505-250-4456. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Every lead result on file
Against the period ending 2022 (0 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for San Luis Cabezon Mdwca is 0 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2020 | 0 (not detected) |
| 2019 | 0 (not detected) |
How San Luis Cabezon 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. San Luis Cabezon Mdwca's reported as 0 (not detected) sits at the 15th percentile in New Mexico and the 19th nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Other water systems in Sandoval County
27 other systems share Sandoval County; 23 of them have a higher latest lead result than San Luis Cabezon Mdwca. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Rio Rancho Water & Ww Services | 107,350 | 2 ppb |
| Bernalillo Water System | 11,810 | 1.4 ppb |
| Cuba Water System | 1,789 | 7.9 ppb |
| Jemez Springs Dwua | 1,385 | 6.8 ppb |
| La Mesa Water Coop | 911 | 0.57 ppb |
| Regina Mdwca | 705 | 0.6 ppb |
| Pena Blanca Water & Sanitation District | 700 | 3.3 ppb |
| North Ranchos De Placitas W&Sd | 659 | - |
| Las Acequias De Placitas | 596 | 1 ppb |
| Ponderosa Mdwca | 567 | 0 (not detected) |
Next steps for Bernalillo, NM
Look up your address in San Luis Cabezon 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 San Luis Cabezon 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. Small systems behave differently: why small systems go over more often.