Water Quality: Las Vegas, NM
4 water systems • 14,753 people served
Multiple Health ViolationsWater Quality Summary
Las Vegas is served by 4 public water systems with a combined service population of 14,753 people, and has 349 EPA Safe Drinking Water Act violations on record. Critically, 153 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Las Vegas's violation count is 107% above the national average for New Mexico. Contaminants associated with violations include Bromate, Chlorine Dioxide, Contaminant 2920, E. coli, Fecal Coliform.
Contaminants Found
Probable human carcinogen that increases the risk of kidney and thyroid cancers.
Common source: Ozonation of bromide-containing water; used as flour improver
EPA limit: 0.010 mg/L (10 ppb)
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.
Common source: Human and animal fecal waste
EPA limit: Zero tolerance (any positive triggers violations)
Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.
Common source: Chlorine disinfection reacting with natural organic matter in source water
EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L
Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.
Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water
EPA limit: 0.080 mg/L (80 ppb)
Water Systems Serving Las Vegas
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| LAS VEGAS (CITY OF) | NM3518025 | Surface Water | 14,530 | 182 |
| TECOLOTE MDWCA | NM3519325 | Groundwater | 126 | 56 |
| EL CRESTON MDWCA | NM3501725 | Groundwater | 50 | 36 |
| GABALDON MDWCA | NM3500525 | Groundwater | 47 | 75 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in New Mexico
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.