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Review government records associated with Thibodaux, Louisiana.
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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 Thibodaux, LA from EPA SDWIS.
Thibodaux Waterworks
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 14,862 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.
Bayou Cutoff
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
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.
Lafourche 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.
Convent
Annual mean: 0.036 Parts per million
Observation year: 2025
Garyville
Annual mean: 0.038 Parts per million
Observation year: 2025
Houma — Gray (Beattieville), Louisiana
Annual mean: 7.8 Micrograms/cubic meter (LC)
Observation year: 2025
Data from EPA AQS
Reviewed: source records as of Q4 2025
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
John Deere Thibodaux
Reported: 2024
Reviewed: source query run Nov 2026
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO3 sites with active cleanup or investigation status
100 Saint Mary St, Thibodaux
Reported: Feb 2026
403 St Philip Street, Thibodaux
Reported: Feb 2026
203 West 2nd Street, Thibodaux
Reported: Feb 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
No MSHA mine or extraction site records shown for this report.
Lafourche Parish, LA
EPA Radon Zone Map (June 2024 release)
Lafourche Parish 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.
Lafourche Parish, LouisianaPop. 95,870
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 | 10,241 | 11,464 | 7,972 |
| Poor or Fair Health | 20.1% | 19.3% | 14.2% |
| Poor Physical Health Days | 4.5 | 4.2 | 3.3 |
| Poor Mental Health Days | 6.5 | 5.7 | 4.8 |
| Adult Smoking | 22.7% | 20.1% | 15.0% |
| Adult Obesity | 38.7% | 38.7% | 34.0% |
| Air Pollution - Particulate Matter | 8.5 | 8.6 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 11.3% | 12.4% | 9.6% |
| Life Expectancy | 75.2 | 74.0 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Thibodaux.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Thibodaux Waterworks.
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 Thibodaux.
The monitoring station at Convent recorded an annual average of 0.036 Parts per million for ozone in 2025.
The monitoring station at Garyville recorded an annual average of 0.038 Parts per million for ozone in 2025.
The monitoring station at Houma, Gray (Beattieville), Louisiana recorded an annual average of 7.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Thibodaux covers Lafourche Parish. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 3 brownfield sites: Audubon Target; Battaglia Properties; Former Capital One Facility.
EPA Superfund recordsView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Thibodaux reports a life expectancy of 75.2 years in Lafourche Parish, Louisiana.
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 Thibodaux reports 10,241 years of life lost to deaths before age 75 per 100,000 residents in Lafourche Parish, Louisiana. 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 Thibodaux lists fine-particle pollution (PM2.5) at 8.5 micrograms per cubic meter in Lafourche Parish, Louisiana.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.