Puerto De Luna Mdwca, NM
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (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. 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 Puerto De Luna Mdwca
Puerto De Luna Mdwca serves about 426 people through 130 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 Guadalupe County, New Mexico. EPA system ID: NM3514810; phone on file: 513-953-7253. They can tell you what your service line is made of and whether they pay to replace it.
Lead results over time
Against the period ending 2025 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Puerto De Luna Mdwca is 3 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2025 | 2 ppb |
| 2022 | 1 ppb |
| 2021 | 1 ppb |
| 2019 | 3 ppb |
| 2018 | 3 ppb |
| 2016 | 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. Puerto De Luna Mdwca's 2 ppb sits at the 62nd percentile in New Mexico and the 71st nationally (higher means more lead).
Other water systems in Guadalupe County
6 other systems share Guadalupe County; 1 of them has a higher latest lead result than Puerto De Luna Mdwca. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Santa Rosa Water Supply | 2,681 | 1 ppb |
| Vaughn Duran Water System | 785 | 2.5 ppb |
| Sangre De Cristo Regional Mdwca | 346 | 1.3 ppb |
| Hollywood Ranch Domestic Wua | 79 | 0 (not detected) |
| Riveras Mdwua | 60 | - |
| Rio Pecos Villa Mdwca | 35 | - |
Next steps for Santa Rosa, NM
Test your own tap with a certified lab first-draw sample; Santa Rosa, 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 Puerto De Luna 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. What a 90th-percentile result does and does not tell you: how to read a lead result. Systems that went over once often dip back under; here is what that means.