Skip to content

City water profile

Water hardness in Farmington

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

Utility-reported hardness

Not yet available

Check your provider and source →
State comparison
Unavailable
Evidence comparison rank
—
Matched utilities
4
Active health records
1

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.

Farmington Water System

NM3510224 · Surface water · 47,655 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
0.004 mg/L
Action level
0.015 mg/L

27% of the listed benchmark

Monitoring period: Jan 1, 2021 to Dec 31, 2023

Violation history (2)
Imported violation history for Farmington Water System
RuleStatusPeriod
Groundwater RuleHealth-basedResolvedSep 25, 2025 to Feb 20, 2026
Interim Enhanced Surface Water Treatment RuleResolvedApr 1, 2025 to Apr 30, 2025

Morningstar Water System

NM3510524 · Surface water · 5,694 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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

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

Violation history (1)
Imported violation history for Morningstar Water System
RuleStatusPeriod
Lead and Copper RuleResolvedOct 1, 2022 to Jun 13, 2023

Flora Vista Mutual Domestic

NM3510024 · Surface water · 3,726 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 (2)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

Monitoring period: Jan 1, 2026 to Jun 30, 2026

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level
Reported level
1.4 mg/L
Action level
1.3 mg/L

108% of the listed benchmark

Monitoring period: Jan 1, 1995 to Dec 31, 1995

Violation history (5)
Imported violation history for Flora Vista Mutual Domestic
RuleStatusPeriod
Lead and Copper RuleUnaddressedOct 1, 2025
LEAD AND COPPER RULE REVISIONSHealth-basedResolvedOct 17, 2024 to Jul 14, 2025
LEAD AND COPPER RULE REVISIONSResolvedOct 17, 2024 to Jul 14, 2025
Consumer Confidence RuleResolvedOct 1, 2024 to Nov 21, 2024
Public NoticeUnaddressedAug 16, 2024

La Vida Mission Community Water Supply

NM3500224 · Groundwater · 200 people served system-wide

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

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

Find this utility’s official report →
Measurements (2)

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 mg/L
Action level
0.015 mg/L

0% of the listed benchmark

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

Copper (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Above action level
Reported level
1.8 mg/L
Action level
1.3 mg/L

138% of the listed benchmark

Monitoring period: Jan 1, 2011 to Dec 31, 2013

Violation history (12)
Imported violation history for La Vida Mission Community Water Supply
RuleStatusPeriod
ChlorineResolvedJun 1, 2025 to Jun 30, 2025
Public NoticeUnaddressedAug 16, 2024
Public NoticeResolvedSep 23, 2023 to Jun 28, 2024
Revised Total Coliform RuleHealth-basedResolvedSep 12, 2023 to Dec 17, 2024
Public NoticeResolvedSep 12, 2023 to Dec 17, 2024
Groundwater RuleHealth-basedResolvedJul 29, 2023 to Nov 1, 2024
Groundwater RuleHealth-basedUnaddressedJul 29, 2023
Groundwater RuleHealth-basedResolvedJul 29, 2023 to Nov 1, 2024
Public NoticeResolvedApr 20, 2023 to Jun 30, 2023
Public NoticeResolvedApr 17, 2022 to Jan 8, 2025
E. COLIResolvedApr 16, 2022 to Apr 19, 2022
Revised Total Coliform RuleHealth-basedResolvedApr 1, 2022 to Apr 30, 2022

City summary

What the indexed records say

Farmington has 2 published ZIP profiles across San Juan County. The regional-evidence median is 151 PPM. The city does not meet the stricter comparison standard.

The 150–151 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs
Moderately hard0 ZIPs
Hard2 ZIPs
Very hard0 ZIPs

2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
2.6 miles
Profiles with evidence
2/2

Confidence labels

High: 2Moderate: 0Low: 0

Observation window: Jul 28, 2020 to Mar 26, 2026.

ZIP directory

Water reports in Farmington

Open a ZIP for site-level provenance and measurements.

ZIP code

87401

Hard

151 PPM

Nearest site
0.5 mi
Confidence
High

View full ZIP evidence →

ZIP code

87402

Hard

150 PPM

Nearest site
2.6 mi
Confidence
High

View full ZIP evidence →

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. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Farmington

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.