Sierra Vista Mutual Domestic Association, NM
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2023-2025). 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.
Sierra Vista Mutual Domestic Association at a glance
Sierra Vista Mutual Domestic Association serves about 342 people through 135 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 Bernalillo County, New Mexico. EPA system ID: NM3553601; phone on file: 505-281-9036. 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 2022 (0.93 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Sierra Vista Mutual Domestic Association is 29 ppb across 4 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 0 (not detected) |
| 2022 | 0.93 ppb |
| 2018 | 1 ppb |
| 2016 | 29 ppb over 15 |
Against other New Mexico systems
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. Sierra Vista Mutual Domestic Association's reported as 0 (not detected) sits at the 16th 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.
Neighbouring systems
41 other systems share Bernalillo County; 27 of them have a higher latest lead result than Sierra Vista Mutual Domestic Association. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Albuquerque Water System | 560,326 | 0 (not detected) |
| University Of New Mexico | 35,000 | 1.1 ppb |
| Kirtland Air Force Base | 22,500 | 2.3 ppb |
| Sandia Peak Utility | 6,079 | 2.8 ppb |
| Tierra West Estates Mhp | 1,447 | 1 ppb |
| Sandia Knolls Water System | 1,098 | 1.1 ppb |
| Tranquillo Pines Mdwca | 814 | 3.3 ppb |
| Coronado Village Country Club | 802 | 2.1 ppb |
| Tijeras (Village Of) | 541 | 1 ppb |
| South Hills Water Company | 506 | 0 (not detected) |
Next steps for Cedar Crest, NM
Test your own tap with a certified lab first-draw sample; Cedar Crest, 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 Sierra Vista Mutual Domestic 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. What a 90th-percentile result does and does not tell you: how to read a lead result. More in what a past exceedance means today.