Whitman County contains 70 EPA-regulated facilities, 18 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 3 TRI chemical reporters. EPA has assessed $5.4M in lifetime penalties and TRI reporters disclosed roughly 208 lb of on-site releases. That facility count is below the Washington state average of 152 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Busch Distributors Stateline Plant | Pullman | 197 | Compliant |
| Guy Bennett Lumber | Clarkston | 7 | Compliant |
| Poe Asphalt Paving | Pullman | 3 | Compliant |
| Schweitzer Engineering Labs | Pullman | 1 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Atlas Sand And Rock Chipman Quarry | Pullman | $0 | 2022-09-22 |
| Shawnee Rock Inc Portable | Pullman | $0 | |
| Dusty To Colfax - Add Climbing Lanes Whitman County | Colfax | $0 | 2022-10-24 |
| Pullman Moscow Regional Airport Terminal Expansion | Pullman | $0 | |
| Wsdot Qs-P-151 Cox Quarry | Hay | $0 | |
| Pullman City Muni Sw | Pullman | $0 | 2025-06-25 |
| Alumni Pointe At University Crossing | Pullman | $0 | 2025-10-22 |
| Wsdot Qs-P-34 Colfax West | Colfax | $0 | |
| Motley Motley Gordon Pit | Lacrosse | $0 | |
| Motley Motley Inc Boeing Asphalt Plant | Pullman | $0 | 2022-09-22 |
| Northwest Rock Evergreen Pit | Unspecified | $0 | 2026-01-21 |
| Washington State University | Pullman | $0 | 2025-06-26 |
| Motley Motley Pre Mix Inc | Pullman | $0 | 2022-09-22 |
| University Village | Pullman | $0 | 2021-11-01 |
| Nu Chem Ltd At Central Ferry | Pomeroy | $0 | 2016-06-22 |
| Whitman County Transportation Center | Pullman | $0 | 2022-08-30 |
| Palouse Wastewater Treatment Plant | Palouse | $0 | 2022-09-21 |
| Atlas Commercial Development Property | Pullman | $0 |