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Local water dashboard

Official source aggregation

Water quality in La Grulla, TX 78548

A source-transparent look at local hardness, associated public water systems, EPA compliance history, and the measurements that are—and are not—available for Starr County.

5 active health-based violations
Primary matched system
City Of La Grulla
Source water
Surface water
County
Starr County
Profile updated

At a glance

What the current records say

Hardness

Unavailable

No qualifying site within 75 miles

Compliance screen

Review needed

5 active health-based records

Lead 90th percentile

0 mg/L

0% of action level

Utility match

1 system

Serves 9,500 people system-wide

Hardness estimate unavailable

No responsible local estimate yet

We did not find enough qualifying recent USGS hardness observations within 75 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.

EPA benchmark screen

Contaminant snapshot

Available numerical results from associated SDWIS community water systems, compared with the applicable action level or federal MCL. Federal measured-value coverage is incomplete.

1 pass1 fail

Lead (PB90)

0 mg/L

Reported Dec 31, 2025

Copper (CU90)

Not available

No numerical 90th-percentile result

Numerical coverage

2 comparable results

Missing values remain blank; absence is not treated as a pass.

Lead (90th percentile)

Measured in mg/L

Pass

Local 0

EPA limit 0.015

Local level is 0% of the listed EPA limit.

TTHM

Measured in MG/L

Fail

Local 0.093

EPA limit 0.08

Local level is 116% of the listed EPA limit.

Share of EPA benchmark

100% line = listed limit

EPA SDWIS compliance

Reported violation history

Open EPA source documentation ↗
2026Q2
All records
53
Health-based
13
Active health-based
5
Contaminant or ruleSystemStatusPeriod
Public NoticeTX2140006UnaddressedApr 24, 2026
TTHMTX2140006UnaddressedApr 3, 2026
Public NoticeTX2140006UnaddressedApr 2, 2026
Public NoticeTX2140006UnaddressedMar 8, 2026
Lead and Copper RuleTX2140006UnaddressedJan 1, 2026
TTHMHealth-basedReported 0.093 MG/L · MCL 0.08TX2140006ArchivedJan 1, 2026through Mar 31, 2026
Public NoticeTX2140006UnaddressedOct 20, 2025
TTHMHealth-basedReported 0.091 MG/L · MCL 0.08TX2140006ArchivedOct 1, 2025through Dec 31, 2025
TTHMTX2140006UnaddressedSep 23, 2025
Public NoticeTX2140006UnaddressedAug 24, 2025
Revised Total Coliform RuleHealth-basedTX2140006UnaddressedAug 16, 2025
Consumer Confidence RuleTX2140006UnaddressedJul 1, 2025
Lead and Copper RuleTX2140006UnaddressedJul 1, 2025
Revised Total Coliform RuleHealth-basedTX2140006UnaddressedMay 30, 2025
Public NoticeTX2140006UnaddressedMay 1, 2025
Public NoticeTX2140006UnaddressedApr 18, 2025
Revised Total Coliform RuleHealth-basedTX2140006UnaddressedMar 1, 2025
Lead and Copper RuleTX2140006UnaddressedJan 1, 2025
Revised Total Coliform RuleHealth-basedTX2140006UnaddressedDec 21, 2024
Public NoticeTX2140006UnaddressedOct 18, 2024

No reported violation does not prove that every contaminant was tested or absent; SDWIS measured values are incomplete and lag state records.

Solutions matcher

Your personalized water action plan

Matched to La Grulla ZIP 78548 using available compliance data and 2 reported measurement benchmarks.

1 match

Drinking water protection

Under-Sink Reverse Osmosis System

TTHM, Revised Total Coliform Rule have a measured benchmark flag or active health-based SDWIS record in this profile.

A certified multi-stage RO system targets a broader range of dissolved contaminants at the kitchen tap.

Explore under-sink filtration

Affiliate disclosure: we may earn a commission from qualifying purchases, at no added cost to you. Product matching is educational and does not replace certified water testing.

Frequently asked

Water questions for La Grulla

Is tap water safe in La Grulla?+

EPA ECHO reports 5 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?+

There are not enough qualifying nearby USGS observations for a responsible hardness estimate. Ask the serving utility or test the household tap.

Do I need a water softener?+

There is no high-hardness trigger in this profile. Confirm with a tap test before buying equipment.