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City water profile

Ojo Caliente water quality

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

Median indexed hardness

183PPM

One indexed ZIP

Range 182.5–182.5 PPM

State comparison
45 PPM below
State hardness rank
#120 of 160
Matched utilities
2
Active health records
1

City summary

What the indexed records say

Ojo Caliente has 1 published ZIP profile across Rio Arriba County. The indexed median is 183 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Ojo Caliente ranks #120from 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
22.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Oct 25, 2016 to Apr 22, 2026.

ZIP directory

Water reports in Ojo Caliente

Open a ZIP for site-level provenance and measurements.

ZIP code

87549

Very Hard

182.5 PPM

Nearest site
22.7 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Ojo Caliente Mdwca

PWSID NM3506621

Groundwater
System population served
226
Last reported
Jun 16, 2026

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

Duranes Y Gavilan Mdwca

PWSID NM3503221

Groundwater
System population served
215
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

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Public NoticeNM3503221Aug 16, 2025Unaddressed
Consumer Confidence RuleNM3503221Jul 1, 2025Resolved
LEAD AND COPPER RULE REVISIONSNM3506621Oct 17, 2024Addressed · health-based
LEAD AND COPPER RULE REVISIONSNM3506621Oct 17, 2024Addressed
LEAD AND COPPER RULE REVISIONSNM3503221Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSNM3503221Oct 17, 2024Resolved
Groundwater RuleNM3503221Oct 3, 2024Resolved · health-based
Revised Total Coliform RuleNM3503221Aug 1, 2023Resolved
Consumer Confidence RuleNM3506621Jul 1, 2023Resolved
Combined UraniumNM3506621Jan 1, 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 Ojo Caliente

Is the water hard?

The indexed city median is 183 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.