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City water profile

Columbus water quality

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

Median indexed hardness

380PPM

One indexed ZIP

Range 380–380 PPM

State comparison
152 PPM above
State hardness rank
#42 of 160
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Columbus has 1 published ZIP profile across Luna County. The indexed median is 380 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Columbus ranks #42from 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. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

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
53.2 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Apr 4, 2016 to Sep 13, 2022.

ZIP directory

Water reports in Columbus

Open a ZIP for site-level provenance and measurements.

ZIP code

88029

Very Hard

380 PPM

Nearest site
53.2 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Columbus Water System

PWSID NM3523016

Groundwater
System population served
2,230
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
Consumer Confidence RuleNM3523016Oct 1, 2025Resolved
Public NoticeNM3523016Jul 23, 2025Resolved
Public NoticeNM3523016Aug 11, 2023Resolved
Groundwater RuleNM3523016Jun 3, 2023Resolved · health-based
Groundwater RuleNM3523016Jun 3, 2023Resolved · health-based

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 Columbus

Is the water hard?

The indexed city median is 380 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.