Drinking water quality · 2024
· Verified
What's in Las Cruces, NM tap water
14 contaminants were measured in the Las Cruces, NM water system's 2024 annual report. Each is shown below against its federal limit.
- Reporting year
- 2024
- Contaminants measured
- 14
- Over federal limit
- 0
- Approaching the limit
- 0
- Service area
- NM
PFAS — EPA UCMR5 (2023–2025)
1 PFAS compound detected in Las Cruces, NM
The EPA finalized the first-ever federal drinking-water limits for six PFAS compounds in April 2024. These numbers come straight from EPA's UCMR5 lab dataset — every U.S. system serving more than 3,300 people tested every PFAS sample at an entry point to its distribution system. PFAS not listed below were either tested and not detected, or not yet sampled.
Lithium
● Detected (no federal limit)2.2× the national p90 (76.59999999999991 mg/L across detecting U.S. systems)
Where your water comes from · EPA SDWIS
Las Cruces, NM's drinking water comes from ground water, drawn from 26 sources.
Source
- WELL · 26
Treatment
- TREATMENT PLANT #63
- TREATMENT PLANT #36
- TREATMENT PLANT #46
- + 22 more
Distribution
Disinfection byproducts
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. | 52 ug/LMaximumSystem-wide | 80 ug/LMCL | Within the limit |
| HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. | 15 ug/LMaximumSystem-wide | 60 ug/LMCL | Within the limit |
Disinfectants
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| ChlorineA disinfectant added to drinking water to kill bacteria and viruses. | 1.37 mg/LMaximumSystem-wide | 4 mg/LMCLG | Within the limit |
Inorganic chemicals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits. | 3.42 mg/LMaximumSystem-wide | 10 mg/LMCLG | Within the limit |
| FluorideA mineral often added to drinking water to help prevent tooth decay. | 0.82 mg/LMaximumSystem-wide | 4 mg/LMCLG | Within the limit |
Metals
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| CopperA metal that enters water from corroding household plumbing. | 0.16 mg/L90th percentileAt the tap | 1.3 mg/LMCLG | Within the limit |
| BariumA metal from erosion of natural deposits and industrial discharge. | 0.092 mg/LMaximumSystem-wide | 2 mg/LMCLG | Within the limit |
| ArsenicA naturally occurring element that also enters water from industry and agriculture. | 3 ug/LReported levelDetected In | 0 ug/LMCLG | Detected — no federal limit |
| LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures. | 2 ug/L90th percentileAt the tap | 0 ug/LMCLG | Detected — no federal limit |
Radionuclides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements. | 2.1 pCi/LMaximumSystem-wide | 0 pCi/LMCLG | Detected — no federal limit |
| Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances. | 10.6 pCi/LReported levelDetected In | 0 pCi/LMCLG | Detected — no federal limit |
| Gross Beta Particle ActivityGross beta particle activity — a combined measure of beta-emitting radioactive substances. | 18.1 pCi/LMaximumSystem-wide | 0 pCi/LMCLG | Detected — no federal limit |
| UraniumA naturally occurring radioactive metal from erosion of natural deposits. | 11 ug/LMaximumSystem-wide | 0 ug/LMCLG | Detected — no federal limit |
VOCs & pesticides
| Contaminant | Measured | Federal limit | Status |
|---|---|---|---|
| TrichloroethyleneAn industrial solvent (TCE) used in metal degreasing. | 0.54 ug/LReported levelDetected In | 0 ug/LMCLG | Detected — no federal limit |
People also ask about Las Cruces, NM's water
+Is Las Cruces, NM tap water safe to drink in 2024?
Every one of the 14 contaminants measured in Las Cruces, NM's 2024 Consumer Confidence Report is below its federal limit. "Safe" under the EPA's drinking-water standards is health-based, not aesthetic — but by those standards, no measured contaminant in this report exceeds its enforceable threshold. Individual health concerns (e.g. immunocompromised, infant, pregnancy) may warrant additional filtering regardless of compliance.
+What contaminants are in Las Cruces, NM tap water?
14 contaminants were measured in Las Cruces, NM's 2024 Consumer Confidence Report, spanning metals, radionuclides, and disinfection byproducts. 14 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.
+Where does the data on this page come from?
Every value is transcribed from Las Cruces, NM's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.
+How often is Las Cruces, NM's water quality data updated?
Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.