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Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Real EPA measurements of total trihalomethanes (tthm) for New Mexico water systems — Six-Year Review compliance samples 2012–2019 (historical). Methodology
EPA does not publish per-city total trihalomethanes (tthm) measurements for New Mexico in the datasets we use, so this section shows what regulators actually recorded: every Safe Drinking Water Act violation tied to total trihalomethanes (tthm) at the 1 New Mexico public water systems we track, since 2016. Source: EPA SDWIS via ECHO (2026 Q2 extract).
No total trihalomethanes (tthm) violations on record. None of the 1 tracked New Mexico systems has a SDWIS violation for total trihalomethanes (tthm) since 2016. That means no monitoring, reporting or limit violation was logged — it is not a lab result for your tap. Check your utility's annual Consumer Confidence Report for measured levels.
Every New Mexico system with a total trihalomethanes (tthm) result in EPA's data, sorted by level. Averages of 2012–2019 finished-water samples, non-detects counted as zero — historical, not today's tap.
No total trihalomethanes (tthm) detections have been reported in New Mexico cities.
Trihalomethanes are disinfection byproducts formed when chlorine reacts with organic matter in water. Long-term exposure to high levels of TTHMs has been associated with increased cancer risk, particularly bladder cancer. Studies have also linked TTHMs to reproductive problems including miscarriage and birth defects. Chloroform, the most common THM, can cause liver and kidney damage.
Formed when chlorine disinfectants react with natural organic matter in water; higher in surface water systems with more organic material
Based on our analysis of EPA Safe Drinking Water Information System (SDWIS) data and local water utility reports,total trihalomethanes (tthm) has been detected in 0 New Mexico water systems.
The EPA MCL for total trihalomethanes is 80 ug/L (80 ppb). The EPA MCL for total trihalomethanes (tthm) is 80 ug/L. This limit is set to protect public health based on available scientific evidence about the contaminant's health effects.
0 New Mexico cities have total trihalomethanes (tthm) detected in their water supply. All tested cities are within EPA safety limits.
Increased cancer risk (bladder), liver and kidney damage, potential reproductive effects. The most vulnerable groups include pregnant women and people with liver disease.
The most effective methods for removing total trihalomethanes (tthm) include Activated Carbon, Reverse Osmosis. Look for filters certified by NSF/ANSI for total trihalomethanes (tthm) reduction.
The EPA Maximum Contaminant Level (MCL) for total trihalomethanes (tthm) is 80 ug/L.The EPA MCL for total trihalomethanes is 80 ug/L (80 ppb).
This page shows what New Mexico utilities reported for total trihalomethanes (tthm). It cannot tell you what is coming out of your own tap: utility samples are taken across a whole system and averaged, levels vary by address and season, and anything picked up after the water leaves the main never appears in their report.
Home water test kitscheck your own tap before buying any filterRecommended filtration methods for total trihalomethanes (tthm) removal:
Very effective for TTHMs
Removes 90%+ of TTHMs
THMs are volatile and can be removed by aeration
Paid links. We earn a commission if you buy, at no extra cost to you. Filters are matched to the removal methods listed above for total trihalomethanes (tthm).