Doña Ana Tap Water Quality Report
Doña Ana's water has 1 contaminant above EPA MCLGs. Consider using a certified water filter for additional protection.
Water system
DONA ANA MDWCA
People Served
16,217
Health-based violations since 2020
12
DONA ANA MDWCA. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Latest sample on file
Apr 2024 · DONA ANA MDWCA
Utilities publish newer results in their annual water quality report (Consumer Confidence Report).
Is Doña Ana Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Doña Ana's water has 1 contaminant above EPA health-based guidelines (MCLGs).
DONA ANA MDWCA, Doña Ana's water system, serves 16,217 people. Water quality testing is conducted regularly and reported to the EPA. The latest sample on file for DONA ANA MDWCA is from Apr 2024.
In EPA's 2023–2026 UCMR 5 testing, DONA ANA MDWCA measured lithium at up to 184 µg/L, which EPA counts as above its health reference level of 10 µg/L. That level is a screening value EPA uses to decide what to study further, not a legal limit, and this result does not change this page's water-quality summary.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New Mexico
Doña Ana Water Service Areas
What these numbers actually mean for Doña Ana, NM
We read Doña Ana, NM’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 1 contaminant above EPA MCLGs
- 23 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Doña Ana
Based on Doña Ana's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Test Your Water Quality
Professional laboratory testing provides accurate, detailed analysis of your drinking water.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
What Doña Ana's water readings can explain
Utility-reported data for Doña Ana includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Doña Ana, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Doña Ana? Public-water results do not apply to private wells. See Doña Ana County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Doña Ana
Doña Ana's tap water measures 0.1 grains per gallon (1.6 mg/L) — soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for 0.1 gpg water in Doña Ana — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For New Mexico as a whole, read water softener cost in New Mexico — priced against the plumber wage published for the state.
Frequently Asked Questions About Doña Ana Tap Water
Doña Ana's water has 1 contaminant above EPA MCLGs. We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach DONA ANA MDWCA. For a problem with your water now (discolored water, no water, low pressure, a leak), contact DONA ANA MDWCA directly.
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