Skip to content

City water profile

Anton Chico water quality

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

Median indexed hardness

203PPM

One indexed ZIP

Range 203–203 PPM

State comparison
25 PPM below
State hardness rank
#100 of 160
Matched utilities
1
Active health records
1

City summary

What the indexed records say

Anton Chico has 1 published ZIP profile across San Miguel County. The indexed median is 203 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Anton Chico ranks #100from 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
17.5 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Aug 7, 2017 to Apr 22, 2026.

ZIP directory

Water reports in Anton Chico

Open a ZIP for site-level provenance and measurements.

ZIP code

87711

Very Hard

203 PPM

Nearest site
17.5 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Sangre De Cristo Regional Mdwca

PWSID NM3515110

Groundwater
System population served
346
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
Consumer Confidence RuleNM3515110Oct 1, 2025Resolved
Consumer Confidence RuleNM3515110Jul 1, 2025Resolved
Public NoticeNM3515110Nov 9, 2024Resolved
LEAD AND COPPER RULE REVISIONSNM3515110Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSNM3515110Oct 17, 2024Resolved
Consumer Confidence RuleNM3515110Oct 1, 2024Unaddressed
Groundwater RuleNM3515110Jul 17, 2024Resolved · health-based
Groundwater RuleNM3515110Jul 17, 2024Resolved · health-based
Groundwater RuleNM3515110Jul 17, 2024Resolved · health-based
Groundwater RuleNM3515110Jul 17, 2024Resolved · 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 Anton Chico

Is the water hard?

The indexed city median is 203 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.