Clay County, MO
The federal environmental record for Clay County (population 259,772): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
2
Superfund NPL sites
4
federal cleanup sites
6
PFAS-detecting water systems
20
TRI facilities
24
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Armour Road | North Kansas City | on the NPL | 05/10/1999 |
| Lee Chemical | Liberty | on the NPL | 06/10/1986 |
Drinking water: PFAS testing
Public water systems serving Clay 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 |
|---|---|---|
| KANSAS CITY PWS MO1010415 | PFBA: 5.6 ng/L | detected |
| KEARNEY PWS MO1010416 | PFBA: 6.5 ng/L | detected |
| NORTH KANSAS CITY PWS MO1010580 | PFHxS: 9.2 ng/L PFHxA: 4.3 ng/L PFPeA: 4.2 ng/L | detected |
| SMITHVILLE PWS MO1010748 | PFBA: 7.7 ng/L | detected |
| CLAY COUNTY PWSD 6 MO1024146 | PFBA: 6.1 ng/L | detected |
| CLAY COUNTY PWSD 8 MO1024149 | PFBA: 6.9 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
20 facilities in Clay filed TRI reports for 2024, totalling 1.3M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| FORD MOTOR COMPANY--KANSAS CITY ASSEMBLY PLANT | CLAYCOMO | 1,2,4-Trimethylbenzene, n-Butyl alcohol | 1.3M lb |
| AMERICAN ITALIAN PASTA CO | EXCELSIOR SPRINGS | Sulfuryl fluoride | 21k lb |
| TNEMEC CO INC | NORTH KANSAS CITY | Xylene (mixed isomers), Methyl isobutyl ketone | 17k lb |
| INGREDION INC | NORTH KANSAS CITY | Propylene oxide | 9k lb |
| ARKEMA COATING RESINS | NORTH KANSAS CITY | Ethylene glycol | 4k lb |
| CENTURY CONCRETE INC RANDOLPH FACILITY | KANSAS CITY | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Lead compounds | 1k lb |
| DAVIS PAINT CO | NORTH KANSAS CITY | Xylene (mixed isomers), Ethylbenzene | 1k lb |
| POLYMERIC US | NORTH KANSAS CITY | Certain glycol ethers | 913 lb |
| HENKEL US OPERATIONS CORP | NORTH KANSAS CITY | Vinyl acetate, Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 777 lb |
| GEIGER READY MIX | LIBERTY | Barium, Lead | 672 lb |
| LMV AUTOMOTIVE SYSTEMS | LIBERTY | Copper, Manganese | 447 lb |
| TENNECO AUTOMOTIVE OPERATING CO INC. | KANSAS CITY | Nickel, Chromium | 431 lb |
| US GYPSUM CO | NORTH KANSAS CITY | Zinc compounds, Lead compounds | 367 lb |
| DAKOTA BODIES LLC | LIBERTY | Manganese, Chromium | 270 lb |
| PAS TECHNOLOGIES DBA STANDARDAERO | NORTH KANSAS CITY | N,N-Dimethylformamide | 250 lb |
| HOLLAND NAMEPLATE INC | NORTH KANSAS CITY | Chromium, Nickel | 7 lb |
| VARIFORM INC | KEARNEY | - | 0 lb |
| PENNYS CONCRETE | KANSAS CITY | - | 0 lb |
| MARTIN OPERATING PARTNERS MARTIN LUBRICANTS | KANSAS CITY | - | 0 lb |
| EXCELSIOR SPRINGS SEATING SYSTEMS | EXCELSIOR SPRINGS | Diisocyanates | 0 lb |
Underground fuel tanks
EPA's UST Finder records 395 tank facilities in Clay: 292 tanks in service and 966 closed. 229 fuel releases are on record, of which 24 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Clay 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Clay, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ANGELS ATTIC THRIFT STORE ABANDONED DRUM SITEGLADSTONE
- ARMOUR ROAD SUPERFUND SITEN KC
- BRENNTAG - MID SOUTH DIVISIONKANSAS CITY
- LEE CHEMICALLIBERTY