Pendaries Mdwca, NM
Exceeded the action level in the past
Latest 90th-percentile lead: 1.5 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. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
About Pendaries Mdwca
Pendaries Mdwca serves about 500 people through 228 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 San Miguel County, New Mexico. EPA system ID: NM3574125; phone on file: 505-425-3019. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 1.6 ppb from 3.1 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Pendaries Mdwca is 19 ppb across 8 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.5 ppb |
| 2025 | 3.1 ppb |
| 2022 | 1.4 ppb |
| 2019 | 4.6 ppb |
| 2017 | 19 ppb over 15 |
| 2016 | 2.1 ppb |
| 2016 | 19 ppb over 15 |
| 2016 | 2.1 ppb |
Where this result ranks
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. Pendaries Mdwca's 1.5 ppb sits at the 52nd percentile in New Mexico and the 63rd nationally (higher means more lead).
Nearby utilities
25 other systems share San Miguel County; 8 of them have a higher latest lead result than Pendaries Mdwca. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Las Vegas (City Of) | 14,530 | 1.7 ppb |
| Pecos Water System | 2,133 | 8.4 ppb |
| East Pecos Mdwca | 413 | 1.1 ppb |
| Villanueva Mdwca | 268 | 2 ppb |
| Big Mesa Water Mdwca | 250 | 0 (not detected) |
| Ilfeld Mdwca | 249 | 0 (not detected) |
| Tecolotito Mdwca | 212 | 2 ppb |
| Sena Mdwca | 180 | - |
| La Pasada Mdwca | 164 | - |
| San Juan Mdwca | 136 | 0 (not detected) |
Next steps for Rociada, NM
Test your own tap with a certified lab first-draw sample; Rociada, NM 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 Pendaries 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. More in what a past exceedance means today.