Cobb County contains 205 EPA-regulated facilities, 19 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 30 TRI chemical reporters. EPA has assessed $16.6M in lifetime penalties and TRI reporters disclosed roughly 199.7k lb of on-site releases. That facility count is well above the Georgia state average of 52 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Plant Mcdonough Combined Cycle | Atlanta | 180.1k | Penalties |
| Metal Coaters | Marietta | 7.9k | Penalties |
| First American Resources Corporation | Mableton | 4.3k | Compliant |
| Marathon Powder Springs Terminal | Austell | 2.7k | Compliant |
| Airgas Refrigerants Inc Smyrna | Smyrna | 1.7k | Compliant |
| Tip Top Poultry - Marietta Division | Marietta | 923 | Compliant |
| Kemira Water Solutions, Inc. - Marietta Plant | Marietta | 773 | Penalties |
| Compass Chemical International Llc | Smyrna | 536 | Compliant |
| The Dow Chemical Company | Marietta | 535 | Sig. violation |
| Prc-Desoto International Inc. | Kennesaw | 220 | Compliant |
| Sterigenics Us Llc | Smyrna | 50 | Compliant |
| Ajay N A Llc | Powder Springs | 40 | Compliant |
| Amrep Inc | Marietta | 8 | Sig. violation |
| Quikrete - Marietta, Ga Plant | Marietta | 1 | Compliant |
| Caraustar Mill Group Inc Auste Ll Boxboard Mills | Austell | 1 | Compliant |
| Concorde Battery Georgia Corp/Interspace Battery Georgia Corp | Austell | 1 | Compliant |
| Polyone Corp | Kennesaw | 1 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Noonday Creek Wrf | Kennesaw | $80.1k | 2025-07-29 |
| Baldwin Paving: Plant 7 | Kennesaw | $5.3k | 2023-01-13 |
| Bluescope Coated Products, Llc | Marietta | $0 | 2024-10-18 |
| Rl Carriers - Kes | Marietta | $0 | |
| Glock Inc | Smyrna | $0 | 2024-05-29 |
| Pine Lakes Mobile Home Park, Llc (Pine Lakes Wpcp) | Douglasville | $0 | 2023-03-14 |
| Cobb County Airport - Mccollum Field | Kennesaw | $0 | |
| Smyrna Recycling Center | Smyrna | $0 | |
| Salvage Hunter Auto Parts | Austell | $0 | |
| Arylessence Incorporated | Marietta | $0 | 2024-08-14 |
| The Dow Chemical Company | Marietta | $0 | 2025-12-17 |
| Dgr Mulch Austell | Austell | $0 | |
| Tug Technologies Corporation (04-2006-9169) | Kennesaw | $0 | |
| Advanced Metal & Welding | Mableton | $0 | |
| Amrep Inc | Marietta | $0 | 2019-10-23 |
| Cobb Community Transit Multi-Use Center | Marietta | $0 | |
| A-1 Auto Cores Llc | Marietta | $0 | 2022-09-20 |
| Parker Fairway Villas | Acworth | $0 | 2022-08-18 |
| Huber, J.m., Corp | Kennesaw | $0 | 2024-01-23 |