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WaterVerge

Water quality report · updated Jul 2026

Is Edcouch, TX Tap Water Safe to Drink?

Graded B+, with 19 unresolved violations on record. See what was cited — and what it means for your tap. What to do ↓

0 contaminants over a legal limit
0.0 ppb lead, 90th percentile · low
19 unresolved violations
3K people served by 1 water system

PWSID TX1080003 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
B 82.5 / 100

#289 of 1067Texas cities
How we grade →

01The verdict: is Edcouch water safe?

Edcouch's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (82.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 2,878 residents using surface water (rivers, lakes, or reservoirs).

The concern

19 unresolved violations on record

EPA records show open compliance items for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 0.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

A flood-prone service area

10 federal disaster declarations on record. After severe weather, watch for boil-water advisories.

See the risk factors ↓

Edcouch's drinking water received a grade of B+ (82.5 out of 100), indicating good water quality. The city's 1 water system serves approximately 2,878 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program. The system has 60 violations on record, including 14 health-based violations. 19 remain unresolved.

Edcouch ranks #289 out of 1067 cities in Texas for water quality, placing it mid-range in the state. The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection. As a small community water system, Edcouch may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 82.5/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
36.5 / 45B
Lead & CopperLead at 0.0 ppb (90th percentile).
20 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
5 / 10D
Source RiskWater source: Surface water.
4 / 5B

02What's in Edcouch's water

Every contaminant flagged in Edcouch, on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Edcouch's ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 60 violations on record, including 14 health-based violations. 19 remain unresolved.

6 of the last ten years were clean. The numbered years had EPA violations — red when any were health-based, amber when they were paperwork or missed-testing issues.

17 monitoring & paperwork 9 still unresolved
UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Edcouch's water quality assessment. Grade: B+ (82.5/100).
DisasterSEVERE STORMS AND FLOODINGFederal disaster declaration (FEMA DR-4871). Flood event — may have impacted local water infrastructure.
DisasterHURRICANE BERYLFederal disaster declaration (FEMA DR-4798). Hurricane event — may have impacted local water infrastructure.
Violation1 drinking water violation recordedContaminants: Lead and Copper Rule.Open
Violation1 drinking water violation recordedContaminants: Public Notice.Open
Violation3 drinking water violations recordedContaminants: Public Notice, Consumer Confidence Rule.Open
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 2 ppb1994 — 1 ppb1995 — 1.6 ppb1996 — 1.5 ppb1999 — 0.50 ppb2008 — 0 ppb2023 — 0 ppb201993199519992023

Down 2 ppb since 1993. Latest reading: 0 ppb (2023) — 0% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Edcouch's water comes from

Edcouch's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Local treatment

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

2,878 people

Residents served across Edcouch's service area.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards. These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge. The system is operated by local government ownership and serves approximately 2,878 people through 1 water system.

System namePWSIDPopulationSource
CITY OF EDCOUCH TX1080003 2,878 Surface Water

05Pressure on Edcouch's watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Industrial discharge

Present — monitored

2 facilities within 10 miles reported 0 lb released to surface water in the latest EPA Toxics Release Inventory. Proximity doesn't equal tap contamination — treatment and hydrology decide — but it's pressure on the watershed.

THE PICTSWEET CO - MONTE ALTO TX PLANT 0 lb · 5.9 mi
EVOLVE FURNITURE LLC 0 lb · 8.4 mi

Flood & storm history

Recurring — declared disasters

10 federal disaster declarations on record for Hidalgo County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

SEVERE STORMS AND FLOODING May 2025 · DR-4871
HURRICANE BERYL Jul 2024 · DR-4798
HURRICANE HANNA Jul 2020 · DR-3530

06How Edcouch compares

Scores for nearby Texas cities on one line, with the average marked.

Edcouch (this city)
82.5 · B+
Dallas
36.2 · F
Fort Worth
34.5 · F
San Antonio
33.1 · F
Austin
31.2 · F
Houston
27.8 · F

dashed line = Texas average (46/100)

Edcouch scores 82.5/100above the Texas average of 46/100. It outscores 9 of 10 nearby cities. Full Texas rankings →

Hidalgo water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Edcouch's water — not generic advice.

Extra protection

A basic carbon filter still helps

Edcouch's water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Edcouch alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Edcouch, TX tap water safe to drink?

Edcouch's water quality earned a grade of B+ (82.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #289 out of 1067 cities tested in Texas.

What contaminants are in Edcouch's water?

Lead was measured at 0.0 ppb (90th percentile). 60 violations are on record.

How is Edcouch's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Edcouch?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Edcouch's water come from?

Edcouch's water is sourced from Surface water. The city has 1 water system serving approximately 2,878 residents.

What health violations has Edcouch's water system had?

Edcouch has 14 health-based violations on record. The most recent violation was recorded in December 2020. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 19 violations remain unresolved.

How does Edcouch's water compare to other cities?

Edcouch ranks #289 out of 1067 cities in Texas (better than 73% of state cities) and #6859 out of 15382 cities nationally (55th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Edcouch's small water system affect quality?

Edcouch's system serves approximately 2,878 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 60 violations on record.

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About Edcouch, TX: Edcouch is a city in Hidalgo County, Texas, United States. As of the 2020 census, Edcouch had a population of 2,732. It is part of the McAllen–Edinburg–Mission and Reynosa–McAllen metropolitan areas. The town was founded in 1927 and named for Edward Couch, landowner and banker. Median household income $38,594 · median home value $63,788 · median age 38.9 · 52.7% homeowners · 10% college educated. Wikipedia → Service area: 1 ZIP code across Hidalgo.
Show ZIP codes 78538
Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.