Is Ruidoso, NM tap water safe?
The short answer
1 of the 2 utilities serving Ruidoso has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and New Mexico’s records: Ruidoso Water System.
Ruidoso Water System, which serves the most people here, has 1 result above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 95.7 ppb, above the legal limit.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Ruidoso’s ZIP codes, from EPA’s estimates.
- Open report
Ruidoso Water System
New Mexico · serves 15,947 people · about 2,600 in Ruidoso
1 result above the legal limit, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 95.7 ppb, above the legal limit.
7 health-based violations since 2016
- Open report
Alto Lakes Water and Sanitation District
New Mexico · serves 2,870 people · under 100 in Ruidoso
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 65.2 ppb, above EPA’s health benchmark.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Ruidoso Water System’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead
Water testing near Ruidoso
The lab New Mexico certifies closest to Ruidoso, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Diagnostic & Technology Center
Alamogordo, NM · about 56 miles
Certified for bacteria
New Mexico Environment Department: Water fairs in New Mexico communities, where well owners bring in a quart of well water to be tested for arsenic, nitrate, fluoride, iron, sulfate, pH and conductivity, with results mailed in two to four weeks. Dates are on the department's calendar. Water Fairs, New Mexico Environment Department.
All 44 certified labs for New MexicoWhich ZIP codes are in Ruidoso: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: New Mexico Environment Department, Drinking Water Bureau, laboratories certified to analyze drinking water samples; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Ruidoso
Towns nearby with a page of their own.
What to do next
- Read Ruidoso Water System’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water