Hancock County, MS
The federal environmental record for Hancock County (population 46,159): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
6
federal cleanup sites
0
PFAS-detecting water systems
6
TRI facilities
44
open tank releases
Drinking water: PFAS testing
No public water system serving Hancock reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.
Facilities reporting toxic releases (2024)
6 facilities in Hancock filed TRI reports for 2024, totalling 127k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ALPEK POLYESTER MISSISSIPPI INC | BAY SAINT LOUIS | Ethylene glycol, Acetaldehyde | 102k lb |
| POLYCHEMIE INC | PEARLINGTON | Ammonia, Allyl chloride | 13k lb |
| US NAVY - NAVAL SPECIAL WARFARE SMALL ARMS RANGE | STENNIS SPACE CENTER | Lead | 7k lb |
| CALGON CARBON CORP - PEARL RIVER PLANT | BAY SAINT LOUIS | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Lead And Lead Compounds | 3k lb |
| SABIC INNOVATIVE PLASTICS US LLC | BAY SAINT LOUIS | Styrene, Acrylonitrile | 2k lb |
| GULF STATES READY-MIX PLANT 25 | BAY SAINT LOUIS | Lead | 0 lb |
Underground fuel tanks
EPA's UST Finder records 101 tank facilities in Hancock: 87 tanks in service and 204 closed. 72 fuel releases are on record, of which 44 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Hancock as Zone 3, the lowest predicted indoor radon (under 2 pCi/L average). Radon and air quality are covered in depth on lung.com.
The record for one specific address
County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.
Get the report - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Hancock, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BAY ST. LOUIS HIGH SCHOOL MERCURYBAY ST LOUIS
- HANCOCK COUNTY MERCURY RELEASEKILN
- INGRAM INDUSTRIESKILN
- POLYCHEMIE DIMETHYLAMINE RELEASEPEARLINGTON
- TENNESSEE GAS PIPELINE/CS 530BAY ST. LOUIS
- US NASA STENNIS SPACE CENTERSTENNIS SPACE CENTER