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City water profile

Grenville water quality

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

Median indexed hardness

205PPM

One indexed ZIP

Range 204.5–204.5 PPM

State comparison
23 PPM below
State hardness rank
#98 of 160
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Grenville has 1 published ZIP profile across Union County. The indexed median is 205 PPM, compared with 228 PPM across New Mexico.

Among the 160 New Mexicocities with an indexed median, Grenville ranks #98from 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. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

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
29.2 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jun 20, 2016 to Dec 9, 2020.

ZIP directory

Water reports in Grenville

Open a ZIP for site-level provenance and measurements.

ZIP code

88424

Very Hard

204.5 PPM

Nearest site
29.2 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Grenville Water System

PWSID NM3527231

Groundwater
System population served
45
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
Lead and Copper RuleNM3527231Oct 1, 2025Resolved
Public NoticeNM3527231Nov 6, 2022Resolved
Public NoticeNM3527231Jul 28, 2022Resolved
Consumer Confidence RuleNM3527231Jul 1, 2022Resolved
Revised Total Coliform RuleNM3527231May 1, 2022Resolved
Public NoticeNM3527231Dec 19, 2021Resolved
Lead and Copper RuleNM3527231Oct 1, 2021Resolved
Consumer Confidence RuleNM3527231Oct 1, 2021Resolved
Revised Total Coliform RuleNM3527231Sep 15, 2021Resolved · health-based
Revised Total Coliform RuleNM3527231Sep 1, 2021Resolved

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 Grenville

Is the water hard?

The indexed city median is 205 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.