St. Louis city, MO
The federal environmental record for St. Louis city (population 281,754): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
5
Superfund NPL sites
21
federal cleanup sites
1
PFAS-detecting water systems
39
TRI facilities
80
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Ellisville Site | Ellisville | on the NPL | 09/08/1983 |
| St. Louis Airport/Hazelwood Interim Storage/Futura Coatings Co. | St. Louis County | on the NPL | 10/04/1989 |
| Times Beach | Times Beach | deleted | 09/08/1983 |
| Valley Park TCE | Valley Park | on the NPL | 06/10/1986 |
| Westlake Landfill | Bridgeton | on the NPL | 08/30/1990 |
Drinking water: PFAS testing
Public water systems serving St. Louis with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.
| System | Highest results | Reading |
|---|---|---|
| MO AMERICAN ST LOUIS ST CHARLES COUNTIES MO6010716 | PFBA: 5.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
39 facilities in St. Louis filed TRI reports for 2024, totalling 512k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| JOST CHEMICAL CO INC | SAINT LOUIS | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Zinc compounds | 224k lb |
| THE BOEING CO | BERKELEY | Nitric acid, Trichloroethylene | 164k lb |
| CARLISLE POLYURETHANE SYSTEMS | MARYLAND HEIGHTS | Diisocyanates, Polycyclic aromatic compounds | 37k lb |
| POLYNT COMPOSITES USA INC. | VALLEY PARK | Xylene (mixed isomers), Ethylbenzene | 27k lb |
| LHB INDUSTRIES | BERKELEY | Nonylphenol Ethoxylates, Toluene | 15k lb |
| BELTSERVICE CORP | EARTH CITY | Trichloroethylene | 11k lb |
| HUSSMANN CORP | BRIDGETON | Manganese, Copper | 10k lb |
| PRO-TECT MANUFACTURING INC | SAINT LOUIS | Methyl isobutyl ketone | 6k lb |
| PATHEON BIOLOGICS | SAINT LOUIS | Ethylene glycol | 4k lb |
| BUCKEYE INTERNATIONAL INC. | MARYLAND HEIGHTS | Certain glycol ethers, Nonylphenol Ethoxylates | 3k lb |
| RELIABLE BIOPHARMACEUTICAL LLC | OVERLAND | Methanol, Phenol | 2k lb |
| ST LOUIS MARBLE CO | FENTON | Styrene | 2k lb |
| AZZ GALVANIZING SERVICES-ST. LOUIS | SAINT LOUIS | Zinc compounds, Lead | 2k lb |
| CHEMSICO | SAINT LOUIS | Dimethylamine dicamba, 1,2,4-Trimethylbenzene | 1k lb |
| BYK USA INC. | EARTH CITY | Copper compounds, Zinc compounds | 939 lb |
| O'HARE FOUNDRY CORP | MAPLEWOOD | Copper, Lead compounds | 833 lb |
| O'BRIEN CORP/CARDINAL UHP | VINITA PARK | Chromium, Nickel | 539 lb |
| ST. LOUIS COLD DRAWN | SAINT LOUIS | Manganese, Nickel | 149 lb |
| CONTROL DEVICES | FENTON | Copper, Zinc compounds | 119 lb |
| INTELLIGRATED SYSTEMS LLC | SAINT LOUIS | Chromium, Lead | 56 lb |
| STERIS CORP ST LOUIS OPERATIONS | SAINT LOUIS | 2-Phenylphenol | 15 lb |
| MISSOURI PETROLEUM PRODUCTS CO | SAINT LOUIS | Naphthalene, Polycyclic aromatic compounds | 12 lb |
| CHEMIA CORP | MARYLAND HEIGHTS | 1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran | 10 lb |
| BI-STATE EMULSIONS | SAINT LOUIS | Naphthalene, Polycyclic aromatic compounds | 4 lb |
| ROTO-DIE CO INC | EUREKA | Lead | 1 lb |
Underground fuel tanks
EPA's UST Finder records 1,243 tank facilities in St. Louis: 408 tanks in service and 3,439 closed. 665 fuel releases are on record, of which 80 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps St. Louis as Zone 2, moderate predicted indoor radon (2 to 4 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 St. Louis, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ARSENAL STREET SAFEST. LOUIS
- ASBESTOS-CASS AVEST. LOUIS
- DEFENSE MAPPING - 2ND ST.SAINT LOUIS
- FEDERAL CENTERST LOUIS
- H & R PLATING CO-H & R PLATING COST. LOUIS
- HALL STREET ABANDONED CONTAINERST LOUIS
- HEBERT ABANDONED DRUMSST LOUIS
- HOMER A. DOERR & SONS PLATING COMPANYST. LOUIS
- LACLEDE COAL GASST LOUIS
- MERCURY-BOTANICAL AVENUEST LOUIS
- MOTT STREET ABANDONED DRUMSST. LOUIS
- MOUND STREET PCB'SST LOUIS
- NATIONAL GRAPHICS-NATIONAL GRAPHICSST. LOUIS
- NORTH GRAND DRUMST. LOUIS
- PAULIAN PLACE ABANDONED CONTAINERSST LOUIS
- RENEW CHEMICAL INCST LOUIS
- ROSALIE STREET (4658)ST. LOUIS
- ST LOUIS (EX) AREA SUPPORT CENTER-3ST LOUIS
- ST LOUIS (EX) ARMY AMMUNITION PLANTST LOUIS
- ST LOUIS FMGP #2ST. LOUIS
- SUPERIOR SOLVENT AND CHEMICAL-ST. LOUISST. LOUIS