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City water profile

Arroyo Hondo water quality

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

Median indexed hardness

172PPM

One indexed ZIP

Range 172–172 PPM

State comparison
56 PPM below
State hardness rank
#129 of 160
Matched utilities
3
Active health records
4

City summary

What the indexed records say

Arroyo Hondo has 1 published ZIP profile across Taos County. The indexed median is 172 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Arroyo Hondo ranks #129from 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
Hard1 ZIP
Very hard0 ZIPs

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
14.4 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 Arroyo Hondo

Open a ZIP for site-level provenance and measurements.

ZIP code

87513

Hard

172 PPM

Nearest site
14.4 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Lower Des Montes Mdwca

PWSID NM3574729

Groundwater
System population served
319
Last reported
Jun 16, 2026

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

Upper Arroyo Hondo Mdwca

PWSID NM3507829

Groundwater
System population served
195
Last reported
Jun 16, 2026

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

Lower Arroyo Hondo Mdwca

PWSID NM3505429

Groundwater
System population served
180
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

4 unique active health-based records appear among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Lead and Copper RuleNM3574729Oct 1, 2025Unaddressed
Public NoticeNM3574729Mar 7, 2025Resolved
LEAD AND COPPER RULE REVISIONSNM3574729Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSNM3574729Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSNM3507829Oct 17, 2024Addressed
LEAD AND COPPER RULE REVISIONSNM3507829Oct 17, 2024Addressed · health-based
Public NoticeNM3507829Oct 4, 2024Unaddressed
Consumer Confidence RuleNM3507829Jul 1, 2024Resolved
Consumer Confidence RuleNM3574729Jul 1, 2023Resolved
Consumer Confidence RuleNM3507829Jul 1, 2023Resolved

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 Arroyo Hondo

Is the water hard?

The indexed city median is 172 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.