St. Louis County, MO

The federal environmental record for St. Louis County (population 987,059): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

Superfund NPL sites

federal cleanup sites

PFAS-detecting water systems

TRI facilities

open tank releases

Drinking water: PFAS testing

No public water system serving St. Louis 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.

Underground fuel tanks

No county rollup is published for St. Louis in EPA's UST Finder.

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 - $39

All 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.

AIR FORCE (EX) PLANT # 84HAZELWOOD
BRENNTAG MID-SOUTH, INC.ST. LOUIS
BROMPTON CLEANERSMANCHESTER
CARONDELET FMGPST LOUIS
CARTER CARBURETORST LOUIS
CASHEL RESIDENCEFENTON
CHEVRON CHEMICAL CO - MARYLAND HEIGHTSMARYLAND HEIGHTS
CHICAGO HEIGHTS BLVD VOC PLUMEOVERLAND
CLAYTON CLEANERSUNIVERSITY CITY
DEFENSE MAPPING AGENCY - ST. LOUIS STORAGE ANNEXST LOUIS
DIOXIN REFERAL CASEST LOUIS COUNTY
DIOXIN WARSON ROADLADUE
ELLISVILLE SITEELLISVILLE
ERXLEBEN PROPERTYGLENCOE
FABALL ABANDONED CONTAINERSST LOUIS
GSA PROVEDEL FEDERAL RECORDS CENTER FORMERST LOUIS
HANLEY AREA #2 - (SLOP)ST LOUIS
HORSE ARENA CASETIMES BEACH
INTERIM CENTRAL STORAGE FACILITYTIMES BEACH
JEFFERSON BARRACKS (EX) POST DUMPING GROUNDSST. LOUIS COUNTY
JEFFERSON BARRACKS (EX) MILITARY POSTST LOUIS COUNTY
JOB CORPS CENTER - ST LOUISPINE LAWN
LAMBERT- ST LOUIS MUNICIPAL AIRPORT AIR NATIONAL GUARDST LOUIS
MANHATTAN (EX) DISTRICT STORAGE AREAST LOUIS
MANOR CHEMICAL COMPANY, INC.ST. LOUIS
MARYLAND HEIGHTS TCEMARYLAND HEIGHTS
MERCURY-GREEN PINES DRIVEWILDWOOD
MID AMERICA ARENA SUBSITE (ELLISVILLE)BALLWIN
MISSOURI METALS - DIVISION OF SAMUEL SON & CO USA INCST LOUIS
OSSENFORT ROAD ABANDONED DRUMGLENCOE
SPIRE MISSOURI INC SOUTH DISTRICT SHREWSBURYST LOUIS
ST LOUIS MILLS CIRCLE ABANDONED CONTAINERHAZELWOOD
ST. LOUIS AIRPORT/HAZELWOOD INTERIM STORAGE/FUTURA COATINGS CO.ST. LOUIS
SULLINS RESIDENCEFENTON
TYSON VALLEY (EX) ARMY POWDER STORAGE FARMEUREKA
UNION ELECTRIC CO - RAY AVEST LOUIS
US ARMY PUBLICATION CENTEROVERLAND
US MARINE CORPSBRIDGETON
VA ST LOUIS HEALTHCARE SYSTEM JEFFERSON BARRACKS DIVISIONST LOUIS
VALLEY PARK TCEVALLEY PARK
WESTLAKE LANDFILLBRIDGETON