Public water system · MS0300010
ActiveIngalls Shipbuilding
At a glance
Ingalls Shipbuilding (PWSID MS0300010) is an active non-transient non-community water system in Jackson County, Mississippi. It reports serving 12,000 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; all are health-based, and the most recent began in July 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
12,000
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Ingalls Shipbuilding compare with other water systems in Jackson County?
By EPA's size categories, Ingalls Shipbuilding is a large system (10,001 to 100,000 people). Jackson County has 29 active public water systems, and Ingalls Shipbuilding is the 6th-largest of them by population served. Its population served is about 145% above the county average of 4,889 people per system, and accounts for 8.5% of the 141,787 people reported by systems filed under the county. Across Mississippi, the 1,133 active systems average 2,832 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Ingalls Shipbuilding is about 28 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Mississippi has 78 active non-transient non-community water systems, 6.9% 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 Ingalls Shipbuilding?
EPA lists Ingalls Shipbuilding as privately owned. 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. 15 of the 29 active systems in Jackson County (52%) are also privately owned.
Does Ingalls Shipbuilding have drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in July 2005. The violations listed here began between October 2004 and July 2005. By type: 4 contaminant level above the legal limit. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 of them). EPA lists 4 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2005-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2005-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2005-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
All 4 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.
Ingalls Shipbuilding: frequently asked questions
Who runs Ingalls Shipbuilding?
Ingalls Shipbuilding (PWSID MS0300010) is a non-transient non-community water system privately owned. It is regulated by the MS state drinking water program.
How many people does Ingalls Shipbuilding serve?
Ingalls Shipbuilding reports serving 12,000 people through 3 service connections in Jackson County, Mississippi.
Where does Ingalls Shipbuilding 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 Ingalls Shipbuilding have any drinking water violations?
EPA's records list 4 violations for this system; all are health-based, and the most recent began in July 2005. 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 Ingalls Shipbuilding'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. EPA's records list 4 violations for this system; all are health-based, and the most recent began in July 2005. For current results, consult EPA ECHO, or the MS state drinking water program.
Where can I find Ingalls Shipbuilding's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ingalls Shipbuilding is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Jackson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| West Jackson Co Utility Dist | Jackson | 28,544 | Community | Groundwater |
| City of Ocean Springs | Jackson | 26,168 | Community | Groundwater |
| City of Pascagoula | Jackson | 22,686 | Community | Groundwater |
| City of Gautier | Jackson | 22,253 | Community | Groundwater |
| City of Moss Point | Jackson | 12,524 | Community | Groundwater |
| Jackson Co Utility Authority-East | Jackson | 6,270 | 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, “Ingalls Shipbuilding, PWSID MS0300010, Mississippi”, https://aquacensus.com/water-systems/mississippi/ingalls-shipbuilding-ms0300010 (data as of October 1, 2026).