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Review government records associated with Hidalgo, Texas.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Hidalgo, TX from EPA SDWIS.
City of Hidalgo Water System
Active health-based drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 14,800 people
Data from EPA SDWIS
Reviewed: source records as of Q1 2026
EPA UCMR5 — No PFAS detection records shown for these water systems
Open data source: EPA UCMR5DoD PFAS — No investigation records shown for this report
Open data source: DoD PFASEPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Llano Grande Lake-Arroyo Colorado
Reported: Nov 2026
Health-relevant causes: Mercury, Pathogens, Polychlorinated Biphenyls (pcbs)
Affected uses: Fishconsumption, Recreation
Data from EPA ATTAINS
Reviewed: source records as of Q4 2025
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Hidalgo County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Edinburg East Freddy Gonzalez Drive
Annual mean: 10.0 Micrograms/cubic meter (LC)
Observation year: 2025
Mission
Annual mean: 0.033 Parts per million
EPA primary exceedance count: 2 (Ozone 8-hour 2015)
Observation year: 2025
Annual mean: 30.3 Micrograms/cubic meter (25 C)
EPA primary exceedance count: 2 (PM10 24-hour 2006)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Sites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Hidalgo County, TX
EPA Radon Zone Map (June 2024 release)
Hidalgo County is EPA Radon Zone 3 (low potential). EPA defines Zone 3 counties as having predicted average indoor screening levels below 2 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
No FEMA flood-zone records shown for this report.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Hidalgo County, TexasPop. 888,367
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 7,834 | 7,875 | 7,972 |
| Poor or Fair Health | 30.7% | 17.9% | 14.2% |
| Poor Physical Health Days | 4.6 | 3.3 | 3.3 |
| Poor Mental Health Days | 5.4 | 4.6 | 4.8 |
| Adult Smoking | 15.5% | 13.3% | 15.0% |
| Adult Obesity | 44.5% | 36.2% | 34.0% |
| Air Pollution - Particulate Matter | 10.7 | 8.6 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 18.0% | 11.0% | 9.6% |
| Life Expectancy | 77.9 | 77.2 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Hidalgo.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 16 violations for the City of Hidalgo Water System, including 2 marked active.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Hidalgo.
The monitoring station at Edinburg East Freddy Gonzalez Drive recorded an annual average of 10 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Mission recorded an annual average of 0.033 Parts per million for ozone in 2025.
The monitoring station at Mission recorded an annual average of 30.3 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The radon data for Hidalgo covers Hidalgo County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Hidalgo reports a life expectancy of 77.9 years in Hidalgo County, Texas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Hidalgo reports 7,834 years of life lost to deaths before age 75 per 100,000 residents in Hidalgo County, Texas. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Hidalgo lists fine-particle pollution (PM2.5) at 10.7 micrograms per cubic meter in Hidalgo County, Texas.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.