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Local water dashboard

Official source aggregation

Water quality in La Joya, TX 78560

Regional hardness evidence, possible serving systems, EPA compliance history, and the measurements that are—and are not—available for Hidalgo County.

2 active health-based record(s) across possible systems
Largest possible serving system
City Of La Joya
Source water
Surface water
County
Hidalgo County
Profile updated

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 →

At a glance

What the current records say

Utility-reported hardness

Unavailable

Ask your provider or test your tap

All possible systems

Review needed

2 active health-based records

Utility match

1 system

Serves 3,033 people system-wide

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.

City Of La Joya

TX1080213 · Surface water · 3,033 people served system-wide

A municipal system, in-state city, and served county all agree with this Census ZCTA.

2 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: Jul 1, 2023 to Dec 31, 2023

TTHM

EPA SDWIS reported health-based violation

Reported violation
Reported level
0.098 MG/L
Maximum contaminant level
0.08 MG/L

123% of the listed benchmark

Monitoring period: Jan 1, 2022 to Mar 31, 2022

Violation history (51)
Imported violation history for City Of La Joya
RuleStatusPeriod
Public NoticeUnaddressedApr 2, 2026
Interim Enhanced Surface Water Treatment RuleResolvedDec 1, 2025 to Dec 31, 2025
Interim Enhanced Surface Water Treatment RuleResolvedNov 1, 2025 to Nov 30, 2025
Consumer Confidence RuleUnaddressedJul 1, 2025
Public NoticeUnaddressedMay 1, 2025
LEAD AND COPPER RULE REVISIONSUnaddressedOct 17, 2024
LEAD AND COPPER RULE REVISIONSHealth-basedUnaddressedOct 17, 2024
Total Haloacetic Acids (HAA5)ResolvedOct 1, 2024 to Dec 31, 2024
TTHMResolvedOct 1, 2024 to Dec 31, 2024
Consumer Confidence RuleResolvedJul 2, 2024 to Sep 17, 2024
Lead and Copper RuleResolvedMar 31, 2024 to Aug 14, 2024
Public NoticeResolvedFeb 25, 2024 to May 28, 2025
Public NoticeResolvedFeb 18, 2024 to Aug 30, 2024
Public NoticeResolvedDec 14, 2023 to May 28, 2025
Revised Total Coliform RuleHealth-basedUnaddressedDec 2, 2023
Public NoticeResolvedNov 20, 2023 to May 28, 2025
Lead and Copper RuleResolvedSep 29, 2023 to Aug 14, 2024
Public NoticeResolvedAug 17, 2023 to May 28, 2025
Consumer Confidence RuleResolvedJul 1, 2023 to Jan 4, 2024
Lead and Copper RuleResolvedJan 1, 2023 to Jul 10, 2023
Interim Enhanced Surface Water Treatment RuleResolvedDec 1, 2022 to Dec 31, 2022
Interim Enhanced Surface Water Treatment RuleResolvedOct 1, 2022 to Oct 31, 2022
Interim Enhanced Surface Water Treatment RuleResolvedSep 1, 2022 to Sep 30, 2022
Public NoticeResolvedJul 18, 2022 to May 28, 2025
Lead and Copper RuleResolvedJul 1, 2022 to Jul 10, 2023
CARBON, TOTALResolvedJul 1, 2022 to Sep 30, 2022
Consumer Confidence RuleResolvedJul 1, 2022 to Jan 4, 2024
Interim Enhanced Surface Water Treatment RuleResolvedJun 1, 2022 to Jun 30, 2022
Public NoticeResolvedApr 22, 2022 to Jan 11, 2023
CARBON, TOTALResolvedApr 1, 2022 to Jun 30, 2022
Public NoticeResolvedMar 23, 2022 to Apr 26, 2022
TTHMAddressedMar 10, 2022
Public NoticeResolvedFeb 17, 2022 to Apr 26, 2022
TTHMAddressedJan 7, 2022
Lead and Copper RuleResolvedJan 1, 2022 to Jul 10, 2023
TTHMHealth-basedResolvedJan 1, 2022 to Mar 31, 2022
Public NoticeResolvedNov 22, 2021 to Jan 11, 2023
TTHMHealth-basedResolvedOct 1, 2021 to Dec 31, 2021
Public NoticeResolvedSep 30, 2021 to Apr 26, 2022
Revised Total Coliform RuleHealth-basedResolvedSep 18, 2021 to Jul 17, 2025
Public NoticeResolvedAug 23, 2021 to Jan 11, 2023
Consumer Confidence RuleResolvedJul 1, 2021 to Jan 4, 2024
TTHMHealth-basedResolvedJul 1, 2021 to Sep 30, 2021
Surface Water Treatment RuleResolvedMay 1, 2021 to May 31, 2021
TTHMHealth-basedResolvedApr 1, 2021 to Jun 30, 2021
TTHMResolvedMar 18, 2021 to Jun 10, 2021
Public NoticeResolvedFeb 21, 2021 to Apr 13, 2021
Lead and Copper RuleResolvedJan 1, 2021 to Apr 23, 2021
TTHMHealth-basedResolvedJan 1, 2021 to Mar 31, 2021
Public NoticeAddressedAug 25, 2018
Public NoticeAddressedNov 12, 2016

Hardness estimate unavailable

No responsible local estimate yet

We did not find enough qualifying recent USGS hardness observations within 25 miles of this ZIP centroid. We leave the value blank instead of substituting a state average. Ask the serving utility or test the household tap for a property-specific result.

Evidence-first next steps

Confirm the problem before choosing treatment

This profile can help you ask the right question. It cannot select equipment for a property without a current result from the serving utility or the tap.

1

Confirm the serving system

ZIP boundaries and utility service areas do not perfectly match. Verify the system on a water bill before relying on system-wide records.

2

Read the current utility report

An active health-based record is present. Follow the utility's current notice and public-health instructions.

Find an official utility report →
3

Test for the decision you face

Ask the utility for hardness or test at the tap. For health concerns, use a certified laboratory and targeted analysis.

Convert your hardness test result →

Frequently asked

Water questions for La Joya

Is tap water safe in La Joya?+

EPA ECHO reports 2 active health-based violations among the associated community water systems. Review the affected utility's current notice and Consumer Confidence Report.

How hard is the water?+

Utility-reported hardness is unavailable in this index. Regional samples do not establish tap-water hardness. Ask your provider or test your tap.

Do I need a water softener?+

Confirm hardness at your tap and consider actual scale or spotting before choosing treatment. Regional environmental values cannot determine whether you need a softener. A softener addresses hardness, not every contaminant.