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Review government records associated with Sebastian, Florida.
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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 Sebastian, FL from EPA SDWIS.
Fellsmere, City of
Active major or public-notice drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 3,208 people
Indian River County Utilities (2 Wtps)
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 126,893 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.
South Prong of the St. Sebastian River
Reported: Nov 2026
Health-relevant causes: Mercury, Metals (other Than Mercury), Pathogens
Affected uses: Ecological, 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.
Indian River County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 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.
Indian River Lagoon
Annual mean: 0.040 Parts per million
Observation year: 2025
Melbourne
Annual mean: 0.038 Parts per million
Observation year: 2025
Annual mean: 11.2 Micrograms/cubic meter (25 C)
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
State environmental agencies maintain cleanup site databases that include state Superfund, voluntary cleanup, and brownfield remediation programs. These programs track additional sites beyond those on the federal NPL.
3 sites with active cleanup or investigation
720 Harrison St, Sebastian
2.3 miles away
Reported: Nov 2026
720 Harrison St, Sebastian
2.3 miles away
Reported: Nov 2026
100 VETERANS MEMORIAL WAY, SEBASTIAN
2.1 miles away
Reported: Nov 2026
Data from EPA ECHO
Release reports
Reported: Dec 2021
Data from EPA UST Finder
Formerly Used Defense Sites are properties previously owned by, leased to, or otherwise possessed by the United States and under the jurisdiction of the Secretary of Defense. The FUDS program addresses environmental restoration at these properties.
Open data source: USACE FUDSSites 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
Indian River County, FL
EPA Radon Zone Map (June 2024 release)
Indian River 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.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
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.
Indian River County, FloridaPop. 167,352
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 | 8,762 | 8,299 | 7,972 |
| Poor or Fair Health | 14.7% | 13.3% | 14.2% |
| Poor Physical Health Days | 3.4 | 3.0 | 3.3 |
| Poor Mental Health Days | 4.5 | 4.2 | 4.8 |
| Adult Smoking | 19.5% | 15.5% | 15.0% |
| Adult Obesity | 32.3% | 28.3% | 34.0% |
| Air Pollution - Particulate Matter | 7.1 | 7.8 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 9.0% | 9.5% | 9.6% |
| Life Expectancy | 79.0 | 78.5 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Sebastian.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 42 violations for the City of Fellsmere.
EPA drinking water records on this page list 30 violations for Indian River County Utilities (2 Wtps), including 1 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 Sebastian.
The monitoring station at Indian River Lagoon recorded an annual average of 0.04 Parts per million for ozone in 2025.
The monitoring station at Melbourne recorded an annual average of 0.038 Parts per million for ozone in 2025.
The monitoring station at Melbourne recorded an annual average of 11.2 Micrograms/cubic meter (25 C) for particles (PM10) in 2025.
The radon data for Sebastian covers Indian River 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 Sebastian reports a life expectancy of 79.0 years in Indian River County, Florida.
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 Sebastian reports 8,762 years of life lost to deaths before age 75 per 100,000 residents in Indian River County, Florida. 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 Sebastian lists fine-particle pollution (PM2.5) at 7.1 micrograms per cubic meter in Indian River County, Florida.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.