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City water profile

Water hardness in Carlsbad

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

Carlsbad Municipal Water System

NM3520608 · Groundwater · 33,626 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
7.3e-4 mg/L
Action level
0.015 mg/L

5% of the listed benchmark

Monitoring period: Jan 1, 2022 to Dec 31, 2024

Violation history (2)
Imported violation history for Carlsbad Municipal Water System
RuleStatusPeriod
Groundwater RuleResolvedApr 1, 2025 to Jun 6, 2025
Public NoticeResolvedJul 12, 2022 to Sep 1, 2022

Otis Mdwca

NM3521308 · Groundwater · 4,464 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
0.0023 mg/L
Action level
0.015 mg/L

15% of the listed benchmark

Monitoring period: Jan 1, 2020 to Dec 31, 2022

Violation history (37)
Imported violation history for Otis Mdwca
RuleStatusPeriod
E. COLIUnaddressedDec 20, 2025
Consumer Confidence RuleResolvedOct 1, 2025 to Oct 31, 2025
Public NoticeResolvedAug 21, 2025 to Jun 30, 2025
Public NoticeUnaddressedJun 11, 2025
Revised Total Coliform RuleResolvedJun 1, 2025 to Jun 30, 2025
ChlorineResolvedJun 1, 2025 to Jun 30, 2025
Revised Total Coliform RuleResolvedMar 1, 2025 to Mar 31, 2025
ChlorineResolvedMar 1, 2025 to Mar 31, 2025
Public NoticeUnaddressedFeb 21, 2025
Public NoticeResolvedFeb 7, 2025 to Jun 30, 2025
Public NoticeResolvedOct 20, 2024 to Jun 30, 2025
Consumer Confidence RuleResolvedOct 1, 2024 to Oct 31, 2025
Consumer Confidence RuleResolvedJul 1, 2024 to Jul 9, 2025
Public NoticeUnaddressedJun 23, 2024
Public NoticeResolvedMay 31, 2024 to Jun 30, 2025
Revised Total Coliform RuleResolvedDec 1, 2023 to Dec 31, 2023
Lead and Copper RuleResolvedOct 1, 2023 to Sep 30, 2024
Consumer Confidence RuleResolvedOct 1, 2023 to Oct 31, 2025
ChlorineResolvedOct 1, 2023 to Dec 31, 2023
Public NoticeResolvedSep 14, 2023 to Jun 30, 2025
Consumer Confidence RuleResolvedJul 1, 2023 to Jul 9, 2025
Revised Total Coliform RuleResolvedMay 1, 2023 to May 31, 2023
ChlorineResolvedApr 1, 2023 to Jun 30, 2023
Public NoticeResolvedFeb 18, 2023 to Jul 18, 2023
Public NoticeResolvedNov 18, 2022 to Jul 18, 2023
Consumer Confidence RuleResolvedOct 1, 2022 to Mar 5, 2025
Total Haloacetic Acids (HAA5)ResolvedSep 1, 2022 to Aug 31, 2023
TTHMResolvedSep 1, 2022 to Aug 31, 2023
Consumer Confidence RuleResolvedJul 1, 2022 to Jan 5, 2023
Public NoticeResolvedMay 27, 2022 to Dec 1, 2025
Public NoticeResolvedMar 13, 2022 to Jul 18, 2023
Consumer Confidence RuleResolvedOct 1, 2021 to Mar 5, 2025
Total Haloacetic Acids (HAA5)ResolvedSep 1, 2021 to Aug 31, 2022
TTHMResolvedSep 1, 2021 to Aug 31, 2022
Consumer Confidence RuleResolvedJul 1, 2021 to Jan 4, 2023
ChlorineResolvedJan 1, 2021 to Feb 28, 2021
Revised Total Coliform RuleResolvedJan 1, 2021 to Jan 31, 2021

Happy Valley Cooperative Water Works

NM3520708 · Groundwater · 638 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 (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: Jan 1, 2019 to Dec 31, 2021

Violation history (13)
Imported violation history for Happy Valley Cooperative Water Works
RuleStatusPeriod
Lead and Copper RuleUnaddressedJan 1, 2026
Consumer Confidence RuleUnaddressedOct 1, 2025
Consumer Confidence RuleUnaddressedJul 1, 2025
Lead and Copper RuleUnaddressedJul 1, 2025
LEAD AND COPPER RULE REVISIONSUnaddressedOct 17, 2024
LEAD AND COPPER RULE REVISIONSHealth-basedUnaddressedOct 17, 2024
Lead and Copper RuleUnaddressedOct 1, 2024
Consumer Confidence RuleResolvedOct 1, 2024 to Dec 11, 2024
Consumer Confidence RuleResolvedJul 1, 2024 to Oct 21, 2024
Consumer Confidence RuleResolvedJul 1, 2023 to Sep 8, 2023
Consumer Confidence RuleResolvedJul 1, 2022 to Oct 11, 2022
Revised Total Coliform RuleResolvedSep 1, 2021 to Sep 30, 2021
ChlorineResolvedJul 1, 2021 to Sep 30, 2021

Intrepid Potash West

NM3590708 · Groundwater · 71 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
0.0012 mg/L
Action level
0.015 mg/L

8% of the listed benchmark

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

Violation history (0)

No record returned in this imported window. This is not a guarantee of tap-water safety.

City summary

What the indexed records say

Carlsbad has 1 published ZIP profile across Eddy County. The regional-evidence median is 1110 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
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
11.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Nov 2, 2023 to Jun 30, 2025.

ZIP directory

Water reports in Carlsbad

Open a ZIP for site-level provenance and measurements.

ZIP code

88220

Very Hard

1110 PPM

Nearest site
11.3 mi
Confidence
Moderate

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 Carlsbad

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.