Public water system · MS0230015
ActiveStennis Space Center
At a glance
Stennis Space Center (PWSID MS0230015) is an active community water system in Hancock County, Mississippi. It reports serving 4,700 people through 240 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 October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,700
Service connections
240
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Stennis Space Center compare with other water systems in Hancock County?
By EPA's size categories, Stennis Space Center is a medium system (3,301 to 10,000 people). Hancock County has 16 active public water systems, and Stennis Space Center is the 5th-largest of them by population served. Its population served is about 53% above the county average of 3,078 people per system, and accounts for 9.5% of the 49,251 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 Stennis Space Center is about 30% below 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 Stennis Space Center?
EPA lists Stennis Space Center 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. 1 of the 16 active systems in Hancock County (6.3%) are also owned by the federal government.
Does Stennis Space Center have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2012. The violations listed here began between April 2012 and October 2012. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Radium-228 (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 |
|---|---|---|---|---|
| 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 | 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-228code 4030 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-226code 4020 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2012-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | 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.
Stennis Space Center: frequently asked questions
Who runs Stennis Space Center?
Stennis Space Center (PWSID MS0230015) is a community water system owned by the federal government. It is regulated by the MS state drinking water program.
How many people does Stennis Space Center serve?
Stennis Space Center reports serving 4,700 people through 240 service connections in Hancock County, Mississippi.
Where does Stennis Space Center 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 Stennis Space Center 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 October 2012. 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 Stennis Space Center'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 October 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the MS state drinking water program.
Where can I find Stennis Space Center's water quality report?
As a community water system, Stennis Space Center 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 Hancock County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Diamondhead Utilities-North | Hancock | 12,577 | Community | Groundwater |
| City of Bay St Louis | Hancock | 9,284 | Community | Groundwater |
| City of Waveland | Hancock | 6,400 | Community | Groundwater |
| Standard Dedeaux Water Association | Hancock | 5,386 | Community | Groundwater |
| Silver Slipper Casino & Hotel | Hancock | 3,285 | Non-transient non-community | Groundwater |
| Hancock County Water & Sewer | Hancock | 3,254 | Community | Purchased 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, “Stennis Space Center, PWSID MS0230015, Mississippi”, https://aquacensus.com/water-systems/mississippi/stennis-space-center-ms0230015 (data as of October 1, 2026).