Entranosa Water Association, NM
Exceeded the action level in the past
Latest 90th-percentile lead: 1.3 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 Entranosa Water Association
Entranosa Water Association serves about 8,500 people through 3,225 service connections, which makes it a medium-sized system under EPA's size classes. It is privately owned and draws groundwater, in Bernalillo,Santa Fe County, New Mexico. EPA system ID: NM3524626; phone on file: 505-281-8700. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2025 (1.9 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Entranosa Water Association is 20 ppb across 5 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.3 ppb |
| 2025 | 1.9 ppb |
| 2024 | 20 ppb over 15 |
| 2021 | 8 ppb |
| 2018 | 10 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. Entranosa Water Association's 1.3 ppb sits at the 49th percentile in New Mexico and the 61st nationally (higher means more lead).
Next steps for Tijeras, NM
Test your own tap with a certified lab first-draw sample; Tijeras, 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 Entranosa Water Association 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. Why an old exceedance still matters: over the limit before, under it now.