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City water profile

Los Lunas water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Los Lunas, New Mexico.

Median indexed hardness

243PPM

One indexed ZIP

Range 243–243 PPM

State comparison
15 PPM above
State hardness rank
#70 of 160
Matched utilities
10
Active health records
0

City summary

What the indexed records say

Los Lunas has 1 published ZIP profile across Valencia County. The indexed median is 243 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Los Lunas ranks #70from highest to lowest. Across all 195 state ZIP profiles, available estimates run from 74.2to 688.5 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
1.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 15, 2016 to Sep 4, 2025.

ZIP directory

Water reports in Los Lunas

Open a ZIP for site-level provenance and measurements.

ZIP code

87031

Very Hard

243 PPM

Nearest site
1.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Los Lunas Water System

PWSID NM3525332

Groundwater
System population served
19,400
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Rio Del Oro Water System

PWSID NM3580232

Groundwater
System population served
4,387
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Meadow Lake Water System

PWSID NM3532032

Groundwater
System population served
2,760
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Monterey Water Company Inc.

PWSID NM3509032

Groundwater
System population served
1,472
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Hi Mesa Water System

PWSID NM3500232

Groundwater
System population served
259
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Trails End Mhp

PWSID NM3577432

Groundwater
System population served
112
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

El Shaddai Water Co Op

PWSID NM3522532

Groundwater
System population served
87
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Senior Living Systems Inc.

PWSID NM3500532

Groundwater
System population served
50
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Valencia Storage And Mhp

PWSID NM3577532

Groundwater
System population served
48
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Highland Meadows Estates Mdwca

PWSID NM3501232

Groundwater
System population served
43
Last reported
Jun 16, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Compliance history

What EPA records show

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Revised Total Coliform RuleNM3522532Mar 1, 2026Archived
Revised Total Coliform RuleNM3501232Mar 1, 2026Archived
Revised Total Coliform RuleNM3522532Feb 1, 2026Archived
Revised Total Coliform RuleNM3501232Feb 1, 2026Archived
Groundwater RuleNM3580232Jan 10, 2026Resolved · health-based
Lead and Copper RuleNM3522532Jan 1, 2026Unaddressed
Revised Total Coliform RuleNM3522532Jan 1, 2026Archived
Revised Total Coliform RuleNM3501232Jan 1, 2026Archived
Lead and Copper RuleNM3501232Jan 1, 2026Addressed
Public NoticeNM3501232Dec 12, 2025Unaddressed

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Los Lunas

Is the water hard?

The indexed city median is 243 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.