City water profile

Water hardness in Questa

Find official utility reports, understand hardness, and check the water system serving your home in Questa, New Mexico.

Utility-reported hardness

Not yet available

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State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 3
Active health records: 9

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

Match the name on your water bill

Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

Questa Water System

NM3506829 · Groundwater · 2,337 people served system-wide

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

2 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.0026 mg/L
Action level: 0.015 mg/L

17% of the listed benchmark

Monitoring period: Jul 1, 2025 to Dec 31, 2025

Violation history (8)

Imported violation history for Questa Water System
Rule	Status	Period
Public Notice	Unaddressed	Feb 28, 2026
Lead and Copper Rule	Resolved	Oct 1, 2024 to Apr 2, 2025
Groundwater RuleHealth-based	Unaddressed	Aug 3, 2024
Groundwater RuleHealth-based	Unaddressed	Aug 3, 2024
Public Notice	Unaddressed	Oct 25, 2013
Public Notice	Unaddressed	Jul 24, 2013
Public Notice	Unaddressed	May 18, 2013
Public Notice	Unaddressed	Feb 10, 2013

La Lama Mdwca

NM3501129 · Groundwater · 45 people served system-wide

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

No active health-based record in this imported snapshot

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0.0054 mg/L
Action level: 0.015 mg/L

36% of the listed benchmark

Monitoring period: Jan 1, 2018 to Dec 31, 2018

Violation history (8)

Imported violation history for La Lama Mdwca
Rule	Status	Period
Public Notice	Unaddressed	Aug 17, 2025
Consumer Confidence Rule	Resolved	Jul 1, 2025 to Sep 3, 2025
Lead and Copper Rule	Resolved	Oct 1, 2022 to Jun 17, 2023
Public Notice	Resolved	Oct 17, 2021 to Dec 10, 2021
Revised Total Coliform RuleHealth-based	Resolved	Sep 13, 2021 to Sep 27, 2022
Public Notice	Resolved	Aug 22, 2021 to Dec 10, 2021
E. COLI	Resolved	Aug 12, 2021 to Aug 23, 2021
Public Notice	Unaddressed	Jan 17, 2013

Eagle Rock Village

NM3500329 · Groundwater · 35 people served system-wide

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

7 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (1)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 5.9e-4 mg/L
Action level: 0.015 mg/L

4% of the listed benchmark

Monitoring period: Jan 1, 2023 to Dec 31, 2025

Violation history (27)

Imported violation history for Eagle Rock Village
Rule	Status	Period
Consumer Confidence Rule	Unaddressed	Oct 1, 2025
Public Notice	Unaddressed	Aug 16, 2025
Groundwater RuleHealth-based	Unaddressed	Jul 16, 2025
Groundwater RuleHealth-based	Unaddressed	Jul 16, 2025
Groundwater RuleHealth-based	Unaddressed	Jul 16, 2025
Groundwater RuleHealth-based	Unaddressed	Jul 16, 2025
Groundwater RuleHealth-based	Unaddressed	Jul 16, 2025
Consumer Confidence Rule	Unaddressed	Jul 1, 2025
Groundwater Rule	Unaddressed	Apr 20, 2025
LEAD AND COPPER RULE REVISIONS	Addressed	Oct 17, 2024
LEAD AND COPPER RULE REVISIONSHealth-based	Addressed	Oct 17, 2024
Consumer Confidence Rule	Resolved	Oct 1, 2024 to Nov 26, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2024 to Nov 4, 2024
Consumer Confidence Rule	Resolved	Oct 1, 2023 to Nov 26, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Nov 4, 2024
Consumer Confidence Rule	Unaddressed	Oct 1, 2022
Lead and Copper Rule	Resolved	Oct 1, 2022 to Jul 31, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Nov 4, 2024
Consumer Confidence Rule	Resolved	Oct 1, 2021 to Nov 27, 2024
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Nov 4, 2024
Public Notice	Resolved	Feb 19, 2021 to Dec 10, 2021
Consumer Confidence Rule	Unaddressed	Oct 1, 2020
Groundwater RuleHealth-based	Addressed	Sep 22, 2011
Public Notice	Unaddressed	May 7, 2011
Public Notice	Unaddressed	Jun 23, 2010
Consumer Confidence Rule	Unaddressed	Jul 1, 2002
Consumer Confidence Rule	Unaddressed	Oct 19, 1999

City summary

What the indexed records say

Questa has 1 published ZIP profile across Taos County. The regional-evidence median is 174 PPM. The city does not meet the stricter comparison standard.

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: 5 miles
Profiles with evidence: 1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Oct 25, 2016 to Aug 10, 2021.

ZIP directory

Water reports in Questa

Open a ZIP for site-level provenance and measurements.

ZIP code

87556

Hard

174 PPM

Nearest site: 5 mi
Confidence: Moderate

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Continue comparing

Other New Mexico communities

Arroyo Hondo

Taos County

227 PPM median

Arroyo Seco

Taos County

271 PPM median

Costilla

Taos County

174 PPM median

Ranchos De Taos

Taos County

228 PPM median

Red River

Taos County

227 PPM median

San Cristobal

Taos County

227 PPM median

Search all 161 New Mexico cities →

Questions people ask

About water in Questa

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

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.