How does Los Lunas's water compare to the national average?

The USA national average is 151 mg/L. Los Lunas (≈ 180+ mg/L) is 189 mg/L harder than average.

Los Lunas Water Hardness & Quality Report (2026)

Water Hardness

very hard

180+ mg/L

Very Hard

estimated · not lab-verified

Source

groundwater

pH Level

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

1490 mg/L

Est. Daily Cost

$0.91

energy & soap waste

Source: See methodology section below · Updated 2026

very hard180+ mg/LVery Hard · est.

0–60

mg/L

Soft

61–120

mg/L

Moderately Hard

121–180

mg/L

Hard

180+

mg/L

Very Hard

Appliance Damage Report

In Los Lunas, your appliances are currently losing 45% efficiency due to mineral buildup.

Appliance	In Los Lunas	Soft Water City	Efficiency Loss
Kettle	4.7 yrs	8.5 yrs	-45%
Washing Machine	6.6 yrs	12 yrs	-45%
Water Heater	8.3 yrs	15 yrs	-45%

Regional Water Comparison

How Los Lunas compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Los Lunas, New Mexico	≈ 180+ mg/L	0 ppt	🔴 Very Hard	groundwater
South Valley, New Mexico	≈ 120–179 mg/L	4.1 ppt	🟠 Hard	groundwater
Albuquerque, New Mexico	≈ 120–179 mg/L	10 ppt	🟠 Hard	reservoir
North Valley, New Mexico	≈ 120–179 mg/L	3.8 ppt	🟠 Hard	groundwater
Rio Rancho, New Mexico	≈ 120–179 mg/L	0 ppt	🟠 Hard	reservoir

National Benchmark

How Los Lunas compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Los Lunas	≈ 180+ mg/L	🔴 High
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

Bring Scarsdale-quality water to your Los Lunas home

Shop water softeners on Amazon.com →

Shop Now

What Makes Los Lunas's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 1490 mg/LpH: 8

The Los Lunas Water System is the main public water provider for the village of Los Lunas, New Mexico, serving between 14,824 and 19,400 residents in Valencia County. This system relies entirely on groundwater drawn from local aquifers, with no surface water sources like reservoirs or rivers involved. Water undergoes disinfection using hypochlorite and filtration at treatment facilities located at 660 Main Street NW, Los Lunas, NM 87031. For inquiries, residents can call 505-352-7657 or 505-352-7629, or use the mailing address PO Box 1209.

The groundwater originates from the Middle Rio Grande Valley watershed, specifically within the Albuquerque Basin near the Rio Grande River. The aquifer is characterized by substantial alluvial deposits from the Santa Fe Group, which have come into contact with Paleozoic carbonate rock formations, including the Madera Limestone. This geological setting is responsible for the water's hard quality, as dissolved calcium and magnesium minerals accumulate during prolonged subsurface flow through the region's arid environment, a common trait for basin-fill aquifers in New Mexico.

This hard water can lead to noticeable scale buildup within pipes, water heaters, dishwashers, and washing machines, potentially reducing their efficiency and overall lifespan. Homeowners might also observe stubborn deposits on faucets and fixtures, along with diminished soap lathering, which can leave a film on skin, hair, and laundry. Routine maintenance, such as descaling appliances with vinegar and flushing water heaters annually, is advised. For households seeking to protect their plumbing and mitigate these issues, installing a water softener is highly recommended. The Los Lunas Water System adheres to all EPA guidelines, reporting no violations in its 2026 water quality data.

Geology & Source: Middle Rio Grande Valley Basin alluvial sediments and Santa Fe Group formations; interaction with limestone and dolomite bedrock leaches calcium and magnesium, creating hard water.

Other New Mexico Water Reports

South Valley

≈ 120–179 mg/L

🟠 Hard

Albuquerque

≈ 120–179 mg/L

🟠 Hard

North Valley

≈ 120–179 mg/L

🟠 Hard

Rio Rancho

≈ 120–179 mg/L

🟠 Hard

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Los Lunas's water safe to drink?

Yes. Los Lunas's water meets all federal safety standards. The hardness is ≈ 180+ mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Los Lunas?

At ≈ 180+ mg/L (Very Hard), Los Lunas's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 45%.

How does Los Lunas compare to the USA average?

The USA national average is 151 mg/L. Los Lunas (≈ 180+ mg/L) is 189 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Los Lunas is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

Water Hardness

Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.

Estimated

Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.

Estimated

TDS — Total Dissolved Solids

Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.

Measured

PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances

EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.

Modelled

Lead

Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.

Calculated

Appliance Lifespan

Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.