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States / Georgia

Cobb County, GA

The federal environmental record for Cobb County (population 776,743): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

0

Superfund NPL sites

20

federal cleanup sites

4

PFAS-detecting water systems

30

TRI facilities

34

open tank releases

Drinking water: PFAS testing

Public water systems serving Cobb 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.

SystemHighest resultsReading
AUSTELL

GA0670001

PFBS: 3.6 ng/L

detected
COBB COUNTY

GA0670003

PFBA: 6.5 ng/L

PFBS: 4.2 ng/L

PFHxA: 3.2 ng/L

detected
MARIETTA

GA0670005

PFHxA: 4.4 ng/L

PFPeA: 3.8 ng/L

detected
SMYRNA

GA0670007

PFPeA: 4 ng/L

PFHxA: 3.7 ng/L

detected

On a system with detections? Testing and treatment options

Facilities reporting toxic releases (2024)

30 facilities in Cobb filed TRI reports for 2024, totalling 227k lb released. The 25 largest by volume:

FacilityCityTop chemicalsTotal released
MCDONOUGH/ATKINSON STEAM ELECTRIC GENERATING PLANTATLANTAAmmonia180k lb
OLDCASTLE INFRASTRUCTURE - ACWORTHACWORTHMethyl methacrylate, Styrene14k lb
BLUESCOPE COATED PRODUCTS LLCMARIETTAXylene (mixed isomers), n-Butyl alcohol8k lb
FIRST AMERICAN RESOURCES COMABLETONXylene (mixed isomers), Antimony compounds6k lb
AJAY NA LLCPOWDER SPRINGSSelenium And Selenium Compounds, Copper And Copper Compounds5k lb
PRC-DESOTO INTERNATIONAL INC.KENNESAWManganese compounds, Toluene3k lb
MPLX TERMINALS LLC - POWDER SPRINGS GA TERMINALAUSTELLn-Hexane, Toluene3k lb
ARYLESSENCE INC.MARIETTA1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran2k lb
AVIENT CORPKENNESAWZinc compounds, Antimony And Antimony Compounds2k lb
HUDSON TECHNOLOGIES COATLANTAChlorodifluoromethane (HCFC-22), 2,2-Dichloro-1,1,1-trifluoroethane (HCFC-123)2k lb
TIP TOP POULTRY INCMARIETTAPeracetic acid923 lb
KEMIRA WATER SOLUTIONS INC.MARIETTAAmmonia, Acrylic acid773 lb
COMPASS CHEMICAL INTERNATIONAL LLCSMYRNAFormaldehyde, Methanol584 lb
DOW CHEMICAL COMARIETTADiisocyanates, Toluene diisocyanate (mixed isomers)535 lb
INTERSPACE/CONCORDE BATTERY GEORGIA CORPAUSTELLLead And Lead Compounds76 lb
CARAUSTAR MILL GROUP INC AUSTELL BOXBOARD MILLSAUSTELLLead compounds51 lb
STERIGENICS US LLC-ATLANTA GA FACILITYATLANTAEthylene oxide50 lb
ALEX C FERGUSSON LLCMARIETTACertain glycol ethers26 lb
U.S. DOD USAFR DOBBINS ARBMARIETTANaphthalene2 lb
QUIKRETE - MARIETTA GA PLANTMARIETTALead1 lb
THOMAS CONCRETE - KENNESAWKENNESAWLead And Lead Compounds0 lb
READY MIX USA LLC - MARIETTA PLANTMARIETTA-0 lb
ILLINOIS TOOL WORKS CONTAMINATION CONTROL ELECTRONICSKENNESAW-0 lb
CHEMSTATION ATLANTAMARIETTA-0 lb
BRENNTAG MID-SOUTH INC.KENNESAW-0 lb

Underground fuel tanks

EPA's UST Finder records 1,160 tank facilities in Cobb: 1,177 tanks in service and 2,479 closed. 955 fuel releases are on record, of which 34 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Cobb as Zone 1, the highest predicted indoor radon levels (over 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 Cobb, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

  • AMREP INDUSTRIAL FIREMARIETTA
  • APOLLO INDUSTRIES INCSMYRNA
  • C & S CHEMICALS TANK FAILUREAUSTELL
  • COBB COUNTY METH LABSMYRNA
  • COSCO INTERNATIONALMARIETTA
  • CUSTOM PLASTICS AND INNOVATIONS FIREMABLETON
  • DAYTONA ANTIFREEZEMARIETTA
  • DOBBINS AIR RESERVE BASEMARIETTA
  • FORMER GLOVER MACHINE WORKSMARIETTA
  • FORMER WAMA MANUFACTURINGAUSTELL
  • HICKS ROAD MERCURYAUSTELL
  • LEGENDARY MEATSMARIETTA
  • LOCKHEED MARTIN AERONAUTICAL SYSTEMSMARIETTA
  • LYNX CHEMICAL GROUP, SMYRNA PLANTSMYRNA
  • MARIETTA NAOH RELEASEMARIETTA
  • OLD CASTLE - ACWORTHACWORTH
  • POWDER SPRINGS ROAD PLATINGAUSTELL
  • SIMONIZ CAR WASHMARIETTA
  • TORRES TIRE COMPANYROSWELL
  • WIGGINS TECHNOLOGYMARIETTA