West Baton Rouge Parish, LA
Transparent derived index from EPA TRI / SDWIS / Superfund extracts: not an official EPA rating. Fixed caps: facilities ≤25 pts (50+ = max), log10 releases ≤25 pts, Superfund ≤25 pts (5/site), health-violation systems ≤15 pts (3/system), high-chemical facilities ≤10 pts. Bands: High ≥60, Moderate ≥30. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against other tracked counties rather than against these fixed caps.
Environmental data for West Baton Rouge Parish in Louisiana · Population: 27,666
TRI sites such as Placid Refining Co LLC; Addis Carbon Black Plant; Shell Catalyst & Technologies; SDWIS systems such as WEST BATON ROUGE WATER WORKS DISTRICT 2; CITY OF PORT ALLEN WATER SYSTEM; WBR DISTRICT 4 -SECTION ROAD WINTERVILLE anchor West Baton Rouge Parish, LA's EPA extract. Derived burden score 43/100 (Moderate Risk) uses fixed national caps on density, log release volume, Superfund count, and health-flagged systems - not an official EPA rating.
Health-flagged SDWIS rows in West Baton Rouge Parish include WEST BATON ROUGE WATER WORKS DISTRICT 2; CITY OF PORT ALLEN WATER SYSTEM, while Placid Refining Co LLC leads reported TRI pounds among local Form R filers. AQS median AQI 49 / peak 101 in 2024.
Burden score 43/100 (Moderate Risk) is the only weighted composite on this page. The tables below list every TRI facility, SDWIS system, and Superfund site EPA has on record for West Baton Rouge Parish -- not just the names called out above -- reproducing the disclosure history as filed, not a current-safety verdict. Extract current as of 2026-08-25.
Release-over-release change
What changed for West Baton Rouge Parish, LA: EPA TRI 2023 reporting year
Same facilities, both years
-26.2%
11 facilities that filed in 2022 and 2023
Whole inventory
-26.2%
1.6 million lb → 1.2 million lb, every facility that filed
- West Baton Rouge Parish, LA's total reported releases fell from 1.6 million lb in 2022 to 1.2 million lb in 2023, based on EPA TRI filings.
- West Baton Rouge Parish, LA's land releases rose from 5 lb in 2022 to 30 lb in 2023, based on EPA TRI filings.
- West Baton Rouge Parish, LA's off-site transfers fell from 1.0 million lb in 2022 to 681.1 thousand lb in 2023, based on EPA TRI filings.
- West Baton Rouge Parish, LA's water releases fell from 166.9 thousand lb in 2022 to 127.1 thousand lb in 2023, based on EPA TRI filings.
Air Quality History (2020–2024)
EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.
| Year | Good | Moderate | Unhealthy (SG) | Max AQI |
|---|---|---|---|---|
| 2024 | 198 (54%) | 166 | 2 | 101 |
| 2023 | 154 (43%) | 199 | 9 | 140 |
| 2022 | 216 (59%) | 144 | 4 | 105 |
| 2021 | 220 (60%) | 142 | 3 | 150 |
| 2020 | 229 (63%) | 134 | 3 | 101 |
Source: EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)
For real-time air quality readings and pollutant breakdowns in Louisiana, see the EPA's AirNow.gov.
Water Systems (5)
| System | System pop (SDWIS) | Violations |
|---|---|---|
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | 13,437 | 4 |
| CITY OF PORT ALLEN WATER SYSTEM | 6,759 | 1 |
| WBR DISTRICT 4 -SECTION ROAD WINTERVILLE | 5,571 | 0 |
| WBR PUBLIC UTILITIES | 4,329 | 0 |
| WBR DISTRICT 4 - ARBROTH | 555 | 0 |
TRI Facilities (11)
| # | Facility | Total Releases |
|---|---|---|
| 1 | Placid Refining Co LLC | 3.2M lbs |
| 2 | Addis Carbon Black Plant | 864.2K lbs |
| 3 | Shell Catalyst & Technologies | 801.5K lbs |
| 4 | Amlon Port Allen LLC | 442.1K lbs |
| 5 | Enterprise Products Operating LLC Baton Rouge Fractionator | 233.5K lbs |
| 6 | Shintech Louisiana LLC - Addis Plant A | 152.3K lbs |
| 7 | Turner Industries Group LLC | 113.6K lbs |
| 8 | Azz Galvanizing - Louisiana LLC | 52.4K lbs |
| 9 | Exxonmobil Anchorage Tank Farm | 26.9K lbs |
| 10 | Nalco Co | 461 lbs |
| 11 | Bp Lubricants USA Inc | 8 lbs |
Cities in West Baton Rouge Parish (2)
Frequently Asked Questions
What is the environmental risk level in West Baton Rouge Parish, Louisiana? ▼
Are there Superfund sites in West Baton Rouge Parish? ▼
How many toxic release facilities are in West Baton Rouge Parish? ▼
What is the air quality in West Baton Rouge Parish? ▼
Is the drinking water safe in West Baton Rouge Parish? ▼
What environmental agencies cover West Baton Rouge Parish? ▼
What does this county environmental profile show?
This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.
Read our methodology - how this data is sourced, computed, and verified.