Washington County, MO
The federal environmental record for Washington County (population 23,534): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
4
Superfund NPL sites
9
federal cleanup sites
0
PFAS-detecting water systems
1
TRI facilities
2
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Washington County Lead District - Furnace Creek | Caledonia | on the NPL | 03/10/2011 |
| Washington County Lead District - Old Mines | Old Mines | on the NPL | 03/19/2008 |
| Washington County Lead District - Potosi | Potosi | on the NPL | 03/19/2008 |
| Washington County Lead District - Richwoods | Richwoods | on the NPL | 03/19/2008 |
Drinking water: PFAS testing
No public water system serving Washington 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.
Facilities reporting toxic releases (2024)
1 facilities in Washington filed TRI reports for 2024, totalling 1k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| BUCKMAN LABORATORIES INC. | CADET | Carbon disulfide, 1,2-Dichloroethane | 1k lb |
Underground fuel tanks
EPA's UST Finder records 28 tank facilities in Washington: 14 tanks in service and 56 closed. 11 fuel releases are on record, of which 2 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Washington 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 Washington, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CRUMP PROPERTYMINERAL POINT
- UPPER STREET LEADPOTOSI
- WASHINGTON COUNTY LEAD DISTRICT - FURNACE CREEKCALEDONIA
- WASHINGTON COUNTY LEAD DISTRICT - OLD MINESOLD MINES
- WASHINGTON COUNTY LEAD DISTRICT - POTOSIPOTOSI
- WASHINGTON COUNTY LEAD DISTRICT - RICHWOODSRICHWOODS
- WASHINGTON COUNTY LEAD DISTRICT-PALMERPALMER
- WASHINGTON COUNTY LEAD DISTRICT-PEA RIDGEPEA RIDGE
- WASHINGTON STATE PARK CAMPGROUNDSOLD MINES