Las Cruces Municipal Water System, NM
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2022-2024). 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 Las Cruces Municipal Water System
Las Cruces Municipal Water System serves about 98,175 people through 40,401 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 Dona Ana County, New Mexico. EPA system ID: NM3511707; phone on file: 575-528-3514. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
Against the period ending 2022 (3 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Las Cruces Municipal Water System is 3.5 ppb across 5 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2022 | 3 ppb |
| 2021 | 3 ppb |
| 2019 | 3.5 ppb |
| 2016 | 2.7 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. Las Cruces Municipal Water System's 2 ppb sits at the 65th percentile in New Mexico and the 73rd nationally (higher means more lead).
Other water systems in Dona Ana County
43 other systems share Dona Ana County; 6 of them have a higher latest lead result than Las Cruces Municipal Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| New Mexico State University | 24,000 | 4 ppb |
| Camino Real Regional Utility Authority | 21,930 | 5 ppb |
| Dona Ana Mdwca | 16,987 | 1.9 ppb |
| Lake Section Water Company | 14,619 | 0 (not detected) |
| Moongate West | 13,362 | 0.56 ppb |
| Lower Rio Grande Pwwa South Valley | 11,542 | 0.31 ppb |
| Moongate Water System | 9,170 | 0.51 ppb |
| Anthony W&Sd | 8,691 | 2 ppb |
| University Estates Water System (Lcu) | 5,292 | 0 (not detected) |
| White Sands Missile Range (Main Post)-Ff | 4,300 | 1.13 ppb |
Next steps for Las Cruces, NM
Test your own tap with a certified lab first-draw sample; Las Cruces, 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 Las Cruces Municipal 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. Size matters more than most people expect: small vs large water systems.