Public water system · MS0240049
ActiveKeesler Air Force Base
At a glance
Keesler Air Force Base (PWSID MS0240049) is an active community water system in Harrison County, Mississippi. It reports serving 8,006 people through 2,127 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,006
Service connections
2,127
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Keesler Air Force Base compare with other water systems in Harrison County?
By EPA's size categories, Keesler Air Force Base is a medium system (3,301 to 10,000 people). Harrison County has 41 active public water systems. Its population served is about 81% above the county average of 4,420 people per system, and accounts for 4.4% of the 181,220 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active community water system reports serving 6,703 people, so Keesler Air Force Base is about 19% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Mississippi has 947 active community water systems, 84% of the state's 1,133 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,053 Mississippi systems (93%) list groundwater as their primary source.
Who owns and regulates Keesler Air Force Base?
EPA lists Keesler Air Force Base as owned by the federal government. The MS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 41 active systems in Harrison County (4.9%) are also owned by the federal government.
Does Keesler Air Force Base have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2013. The violations listed here began between October 2012 and April 2013. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Combined Uranium (5 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2013-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Keesler Air Force Base: frequently asked questions
Who runs Keesler Air Force Base?
Keesler Air Force Base (PWSID MS0240049) is a community water system owned by the federal government. It is regulated by the MS state drinking water program.
How many people does Keesler Air Force Base serve?
Keesler Air Force Base reports serving 8,006 people through 2,127 service connections in Harrison County, Mississippi.
Where does Keesler Air Force Base get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Keesler Air Force Base have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2013. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Keesler Air Force Base's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Keesler Air Force Base's water quality report?
As a community water system, Keesler Air Force Base must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Harrison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Gulfport | Harrison | 75,056 | Community | Groundwater |
| City of Biloxi | Harrison | 23,310 | Community | Groundwater |
| City of Long Beach | Harrison | 18,514 | Community | Groundwater |
| Diberville W/S | Harrison | 12,721 | Community | Groundwater |
| City of Pass Christian | Harrison | 10,436 | Community | Groundwater |
| City of Biloxi-North | Harrison | 9,858 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Keesler Air Force Base, PWSID MS0240049, Mississippi”, https://aquacensus.com/water-systems/mississippi/keesler-air-force-base-ms0240049 (data as of October 1, 2026).