Public water system · LA2033021
ActiveExxonmobil Baton Rouge Refinery
At a glance
Exxonmobil Baton Rouge Refinery (PWSID LA2033021) is an active non-transient non-community water system in East Baton Rouge Parish County, Louisiana. It reports serving 2,500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in November 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,500
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Exxonmobil Baton Rouge Refinery compare with other water systems in East Baton Rouge Parish County?
By EPA's size categories, Exxonmobil Baton Rouge Refinery is a small system (501 to 3,300 people). East Baton Rouge Parish County has 18 active public water systems, and Exxonmobil Baton Rouge Refinery is the 4th-largest of them by population served. Its population served is well below the county average of 36,086 people per system, and accounts for 0.4% of the 649,553 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Exxonmobil Baton Rouge Refinery is about 5.8 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. Louisiana has 125 active non-transient non-community water systems, 11% of the state's 1,121 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.
Who owns and regulates Exxonmobil Baton Rouge Refinery?
EPA lists Exxonmobil Baton Rouge Refinery as privately owned. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 14 of the 18 active systems in East Baton Rouge Parish County (78%) are also privately owned.
Does Exxonmobil Baton Rouge Refinery have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in November 2024. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-11-05 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
The one violation in EPA's records.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.
Exxonmobil Baton Rouge Refinery: frequently asked questions
Who runs Exxonmobil Baton Rouge Refinery?
Exxonmobil Baton Rouge Refinery (PWSID LA2033021) is a non-transient non-community water system privately owned. It is regulated by the LA state drinking water program.
How many people does Exxonmobil Baton Rouge Refinery serve?
Exxonmobil Baton Rouge Refinery reports serving 2,500 people through 1 service connection in East Baton Rouge Parish County, Louisiana.
Where does Exxonmobil Baton Rouge Refinery 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 Exxonmobil Baton Rouge Refinery have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in November 2024. 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 Exxonmobil Baton Rouge Refinery'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 one violation for this system; it is not health-based, and the most recent began in November 2024. For current results, consult EPA ECHO, or the LA state drinking water program.
Where can I find Exxonmobil Baton Rouge Refinery's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Exxonmobil Baton Rouge Refinery 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 East Baton Rouge Parish County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Baton Rouge Water Company | East Baton Rouge Parish | 596,844 | Community | Groundwater |
| Zachary Water System | East Baton Rouge Parish | 31,569 | Community | Groundwater |
| City of Baker Water System | East Baton Rouge Parish | 13,855 | Community | Groundwater |
| Exxonmobil Baton Rouge Chemical Plant | East Baton Rouge Parish | 1,500 | Non-transient non-community | Groundwater |
| Made To Go Truckstop | East Baton Rouge Parish | 500 | Transient non-community | Groundwater |
| Georgia-Pacific Corporation | East Baton Rouge Parish | 484 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Exxonmobil Baton Rouge Refinery, PWSID LA2033021, Louisiana”, https://aquacensus.com/water-systems/louisiana/exxonmobil-baton-rouge-refinery-la2033021 (data as of October 1, 2026).