Skip to content

City water profile

Thoreau water quality

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

Median indexed hardness

203PPM

One indexed ZIP

Range 203–203 PPM

State comparison
25 PPM below
State hardness rank
#99 of 160
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Thoreau has 1 published ZIP profile across Mckinley County. The indexed median is 203 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Thoreau ranks #99from 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
16.2 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jun 10, 2016 to Apr 26, 2021.

ZIP directory

Water reports in Thoreau

Open a ZIP for site-level provenance and measurements.

Public water systems

Utilities associated with this city

Thoreau Water & Sanitation District

PWSID NM3508817

Groundwater
System population served
1,173
Last reported
Jun 16, 2026

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

Bluewater Acres Wua

PWSID NM3510333

Groundwater
System population served
331
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
Public NoticeNM3508817Feb 28, 2026Unaddressed
Public NoticeNM3508817Oct 24, 2025Unaddressed
Public NoticeNM3508817Aug 28, 2025Unaddressed
Groundwater RuleNM3508817Oct 23, 2024Resolved · health-based
Groundwater RuleNM3508817Oct 23, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSNM3508817Oct 17, 2024Resolved · health-based
LEAD AND COPPER RULE REVISIONSNM3508817Oct 17, 2024Resolved
Consumer Confidence RuleNM3508817Oct 1, 2024Resolved
Lead and Copper RuleNM3508817Oct 1, 2024Resolved
Groundwater RuleNM3508817Jul 28, 2024Resolved

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 Thoreau

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.