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Review government records associated with Diamondhead, Mississippi.
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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 Diamondhead, MS from EPA SDWIS.
Diamondhead Utilities-North
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 12,577 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 PFASNo health-relevant impairment records shown among the assessment records in this report.
Reviewed: source records as of 2026
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.
Hancock 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.
Gulfport Youth Court
Annual mean: 0.043 Parts per million
Observation year: 2025
Annual mean: 7.5 Micrograms/cubic meter (LC)
Includes measurements flagged for exceptional events.
Observation year: 2025
Waveland
Annual mean: 0.042 Parts per million
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
Release reports
Reported: Dec 2021
Reported: Dec 2021
Reported: Dec 2021
Data from EPA UST Finder
No MSHA mine or extraction site records shown for this report.
Hancock County, MS
EPA Radon Zone Map (June 2024 release)
Hancock 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.
Hancock County, MississippiPop. 46,094
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 | 10,178 | 12,697 | 7,972 |
| Poor or Fair Health | 18.4% | 20.9% | 14.2% |
| Poor Physical Health Days | 3.7 | 3.7 | 3.3 |
| Poor Mental Health Days | 4.9 | 4.7 | 4.8 |
| Adult Smoking | 18.5% | 20.3% | 15.0% |
| Adult Obesity | 37.2% | 39.4% | 34.0% |
| Air Pollution - Particulate Matter | 7.6 | 9.0 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 10.5% | 13.7% | 9.6% |
| Life Expectancy | 75.5 | 72.5 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Diamondhead.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 6 violations for Diamondhead Utilities-North.
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 Diamondhead.
The monitoring station at Gulfport Youth Court recorded an annual average of 0.043 Parts per million for ozone in 2025.
The monitoring station at Gulfport Youth Court recorded an annual average of 7.5 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Waveland recorded an annual average of 0.042 Parts per million for ozone in 2025.
The radon data for Diamondhead covers Hancock 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 Diamondhead reports a life expectancy of 75.5 years in Hancock County, Mississippi.
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 Diamondhead reports 10,178 years of life lost to deaths before age 75 per 100,000 residents in Hancock County, Mississippi. 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 Diamondhead lists fine-particle pollution (PM2.5) at 7.6 micrograms per cubic meter in Hancock County, Mississippi.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.