Clackamas County, OR
The federal environmental record for Clackamas County (population 423,173): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
12
federal cleanup sites
4
PFAS-detecting water systems
27
TRI facilities
69
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Northwest Pipe & Casing/Hall Process Co | Clackamas | on the NPL | 10/14/1992 |
Drinking water: PFAS testing
Public water systems serving Clackamas 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.
| System | Highest results | Reading |
|---|---|---|
| MILWAUKIE, CITY OF OR4100528 | PFOS: 7 ng/L | above final limit |
| SUNRISE WATER AUTHORITY OR4100635 | PFOS: 4.3 ng/L | above final limit |
| ESTACADA, CITY OF OR4100279 | PFBA: 7.4 ng/L | detected |
| MOLALLA, CITY OF OR4100534 | 6:2 FTS: 11.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
27 facilities in Clackamas filed TRI reports for 2024, totalling 823k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| PCC STRUCTURALS LPC TITANIUM BUSINESS OPS | MILWAUKIE | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nickel | 684k lb |
| OREGON TOOL INC. | MILWAUKIE | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Sodium nitrite | 65k lb |
| MILES FIBERGLASS & COMPOSITES INC. | CLACKAMAS | Styrene | 24k lb |
| PCC STRUCTURALS INC DEER CREEK ANNEX | MILWAUKIE | Nickel, Chromium | 17k lb |
| LMA MCLOUGHLIN ANNEX | PORTLAND | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 8k lb |
| SHAW'S FIBERGLASS & PLASTICS INC. | DAMASCUS | Styrene | 7k lb |
| MCCLURE INDUSTRIES INC. | PORTLAND | Styrene | 5k lb |
| BENCHMADE KNIFE CO | OREGON CITY | Chromium | 3k lb |
| CLARIOS LLC | CANBY | Lead And Lead Compounds, Antimony And Antimony Compounds | 3k lb |
| ORCHID ORTHOPEDIC SOLUTIONS OREGON INC | OREGON CITY | Cobalt, Chromium | 2k lb |
| GLACIER NORTHWEST INC CLACKAMAS READY MIX | CLACKAMAS | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead | 1k lb |
| ASTRONICS PECO GROUP | CLACKAMAS | Toluene | 832 lb |
| PCC STRUCTURALS INC SMALL STRUCTURALS BUSINESS OPERATION | CLACKAMAS | Nickel, Chromium | 644 lb |
| SSB1 | MILWAUKIE | Nickel, Chromium | 564 lb |
| SR SMITH LLC | CANBY | Chromium, Nickel | 546 lb |
| TWIST BIOSCIENCE | WILSONVILLE | Dichloromethane | 250 lb |
| CONSOLIDATED METCO INC | CLACKAMAS | Copper, Lead | 216 lb |
| ASC SUNSTONE CIRCUITS | MULINO | Copper And Copper Compounds, Lead And Lead Compounds | 137 lb |
| NORTH AMERICAN PIPE & PRECAST | WILSONVILLE | Lead compounds | 35 lb |
| POTTERS INDUSTRIES LLC | CANBY | Lead | 32 lb |
| PCC STRUCTURALS INC. LSBS | PORTLAND | Nickel, Chromium | 21 lb |
| THERMAL FLUIDS INC. - CLACKAMAS | CLACKAMAS | Ethylene glycol, Naphthalene | 20 lb |
| SAFETY-KLEEN SYSTEMS CLACKAMAS (CLA) | CLACKAMAS | Polycyclic aromatic compounds | 2 lb |
| OECO LLC | MILWAUKIE | Lead | 1 lb |
| EAGLE FOUNDRY CO | EAGLE CREEK | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 770 tank facilities in Clackamas: 412 tanks in service and 1,856 closed. 634 fuel releases are on record, of which 69 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Clackamas as Zone 3, the lowest predicted indoor radon (under 2 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 Clackamas, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AMES - BANCROFT MINEESTACADA
- COE CIVIL WILLAMETTE FALLS LOCKSWEST LINN
- FORMER MILWAUKIE CLEANERSMILWAUKIE
- KIGGINS & NISBET MINEESTACADA
- KRONBERG DUMPMILWAUKIE
- MARTIN ELECTRICLAKE OSWEGO
- MULINO MERCURYMULINO
- NORTHWEST PIPE & CASING/HALL PROCESS COMPANYCLACKAMAS
- OREGON CITY MERCURYOREGON CITY
- OREGON IRON AND STEEL COMPANYLAKE OSWEGO
- RUTH MINEDETROIT
- USDOE BPA - OREGON CITYOREGON CITY