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City water profile

Chimayo water quality

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

Median indexed hardness

210PPM

One indexed ZIP

Range 209.5–209.5 PPM

State comparison
18 PPM below
State hardness rank
#94 of 160
Matched utilities
2
Active health records
3

City summary

What the indexed records say

Chimayo has 1 published ZIP profile across Santa Fe County. The indexed median is 210 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Chimayo ranks #94from 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
21 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 15, 2016 to Apr 22, 2026.

ZIP directory

Water reports in Chimayo

Open a ZIP for site-level provenance and measurements.

Public water systems

Utilities associated with this city

Greater Chimayo Mdwca

PWSID NM3502426

Groundwater
System population served
1,050
Last reported
Jun 16, 2026

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

Rio Chiquito Mdwca

PWSID NM3504926

Groundwater
System population served
152
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

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

RecordSystemPeriodStatus
Revised Total Coliform RuleNM3504926Oct 1, 2025Resolved
Consumer Confidence RuleNM3502426Jul 1, 2025Resolved
Consumer Confidence RuleNM3504926Jul 1, 2025Resolved
LEAD AND COPPER RULE REVISIONSNM3502426Oct 17, 2024Resolved
LEAD AND COPPER RULE REVISIONSNM3502426Oct 17, 2024Resolved · health-based
Groundwater RuleNM3504926Apr 19, 2024Unaddressed · health-based
Groundwater RuleNM3504926Apr 19, 2024Unaddressed · health-based
Groundwater RuleNM3504926Apr 19, 2024Unaddressed · health-based
Consumer Confidence RuleNM3502426Jul 1, 2023Resolved
Consumer Confidence RuleNM3502426Jul 1, 2022Resolved

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 Chimayo

Is the water hard?

The indexed city median is 210 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.