Iberville Parish, LA

High Risk (62/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology. This is a different measure than the EJ Screening score for this county, which ranks it by percentile against every other tracked county rather than against fixed national thresholds.

Environmental data for Iberville Parish in Louisiana

Iberville Parish, LA is tracked across three EPA datasets covering 26 Toxics Release Inventory (TRI) facilities, 6 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 62/100 (High Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 52.9M lbs of reported toxic releases under EPCRA Section 313, while 5 water systems carry an active health-based violation in the SDWIS record. No EPA Air Quality System monitors currently report data for this county.

All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.

TRI Facilities
26
Water Systems
6
Superfund Sites
0
Total Releases
52.9M lbs

Water Systems (6)

System Population Violations
CITY OF PLAQUEMINE WATER SYSTEM 14,043 0
TOWN OF MARINGOUIN 3,300 1
TOWN OF WHITE CASTLE WATER SYSTEM 2,550 11
VILLAGE OF GROSSE TETE WATER SYSTEM 954 2
VILLAGE OF ROSEDALE WATER SYSTEM 664 17
GILLIS LONG CENTER 600 2

TRI Facilities (26)

# Facility Total Releases
1 Flopam Inc 17.2M lbs
2 Syngenta Crop Protection LLC Saint Gabriel Facility 13.1M lbs
3 The Dow Chemical Co - Louisiana Operations 10.9M lbs
4 Taminco US LLC 2.9M lbs
5 Tsrc Specialty Materials LLC 1.8M lbs
6 Shintech Plaquemine Plant 1.8M lbs
7 Westlake Chemicals & Vinyls LLC 1.7M lbs
8 Blue Cube Operations LLC - Plaquemine Site 1.6M lbs
9 Cos-Mar Co 927.1K lbs
10 Boardwalk Louisiana Midstream LLC 317.6K lbs
11 Mexichem Fluor Inc 266.9K lbs
12 Totalenergies Petrochemicals & Refining USA Inc Carville Pol 164.3K lbs
13 Ineos Oxide a Div of Ineos Americas LLC 91.1K lbs
14 Plaquemine Methocel 75.1K lbs
15 SE Tylose Louisiana LLC 29.3K lbs
16 Bcp Ingredients Inc 19.2K lbs
17 Brenntag Southwest Inc St Gabriel 14.8K lbs
18 Thorpe Plant Services Inc 7.7K lbs
19 Enlink Lig Liquids LLC - Plaquemine Gas Plant 7.4K lbs
20 Enlink Processing Services LLC - Plaquemine Ngl Fractionatio 5.8K lbs
21 Delta Cos Group St Gabriel 597 lbs
22 Pioneer Americas LLC (dba Olin Chlor Alkali Products) 531 lbs
23 Nachurs Alpine Solutions 424 lbs
24 U.S. Doe Bayou Choctaw Spr Site 206 lbs
25 Brenntag Southwest Inc Sgbp 90 lbs
26 Harcros Chemicals Inc 0 lbs

Cities in Iberville Parish (3)

Carville
Pop: -
3 facilities · 1 water
Plaquemine
Pop: -
13 facilities · 6 water
Saint Gabriel
Pop: -
11 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Iberville Parish, Louisiana?
Iberville Parish, LA has an environmental risk score of 62/100 (High Risk), based on 26 TRI facilities, 0 Superfund sites, and 6 water systems on record. 5 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Iberville Parish?
No Superfund National Priorities List (NPL) sites are currently registered in Iberville Parish, LA in the EPA database.
How many toxic release facilities are in Iberville Parish?
Iberville Parish, LA has 26 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 52.9M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Iberville Parish?
Air quality monitoring data (EPA AQS) is not available for Iberville Parish, LA. This may indicate no EPA monitoring stations are located in the county. For regional air quality data, see the state environmental profile or visit EPA's AirNow.gov.
Is the drinking water safe in Iberville Parish?
Iberville Parish, LA has 6 EPA-regulated water systems. 5 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Iberville Parish?
Environmental compliance in Iberville Parish, Louisiana is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Louisiana state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

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.

Related

Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro Editorial