Bernalillo Water System, NM
Lead detected, under the action levels
Latest 90th-percentile lead: 1.4 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. 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 Bernalillo Water System
Bernalillo Water System serves about 11,810 people through 4,407 service connections, which makes it a large 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: NM3508923; phone on file: 505-771-7107. They can tell you what your service line is made of and whether they pay to replace it.
Bernalillo Water System's lead record
Against the period ending 2024 (0.9 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Bernalillo Water System is 1.4 ppb across 7 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.4 ppb |
| 2024 | 0.9 ppb |
| 2022 | 0.9 ppb |
| 2021 | 0.88 ppb |
| 2019 | 0.88 ppb |
| 2018 | 0.64 ppb |
| 2016 | 0.64 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. Bernalillo Water System's 1.4 ppb sits at the 51st percentile in New Mexico and the 62nd nationally (higher means more lead).
Neighbouring systems
27 other systems share Sandoval County; 15 of them have a higher latest lead result than Bernalillo Water System. 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 |
| 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) |
| La Jara Water Users Association | 458 | 2.3 ppb |
Next steps for Bernalillo, NM
Test your own tap with a certified lab first-draw sample; Bernalillo, 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 Bernalillo Water System 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. Systems that went over once often dip back under; here is what that means.