Sedgwick County, KS
The federal environmental record for Sedgwick County (population 528,469): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
4
Superfund NPL sites
11
federal cleanup sites
3
PFAS-detecting water systems
63
TRI facilities
195
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| 29th & Mead Ground Water Contamination | Wichita | deleted | 02/21/1990 |
| 57th and North Broadway Streets Site | Wichita Heights | on the NPL | 10/14/1992 |
| Big River Sand Co. | Wichita | deleted | 06/10/1986 |
| Johns' Sludge Pond | Wichita | deleted | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Sedgwick 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 |
|---|---|---|
| PARK CITY, CITY OF KS2017303 | PFHxS: 7.2 ng/L PFBS: 6.2 ng/L PFHxA: 6 ng/L | above final limit |
| SEDGWICK CO RWD 2 KS2017315 | PFBA: 5 ng/L | detected |
| GODDARD, CITY OF KS2017325 | PFBS: 17 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
63 facilities in Sedgwick filed TRI reports for 2024, totalling 2.1M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| OCCIDENTAL CHEMICAL CORP | WICHITA | Chloromethane, Methanol | 828k lb |
| SPIRIT AEROSYSTEMS INC | WICHITA | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region), Tetrachloroethylene | 561k lb |
| CARGILL INC | WICHITA | n-Hexane, Cyclohexane | 460k lb |
| EVONIK CORP | HAYSVILLE | Ammonia, Methanol | 95k lb |
| TEXTRON AVIATION/EAST CAMPUS | WICHITA | Toluene, Xylene (mixed isomers) | 32k lb |
| TEXTRON AVIATION/PAWNEE CAMPUS | WICHITA | Trichloroethylene, Chromium | 25k lb |
| 3P PROCESSING LLC | WICHITA | Trichloroethylene, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 20k lb |
| R.D. HENRY & CO INC. | WICHITA | Xylene (mixed isomers), Toluene | 17k lb |
| CARDINAL COLWICH LLC | COLWICH | Acetaldehyde, Acrolein | 15k lb |
| PARAGON SERVICES INC | WICHITA | Nitric acid | 13k lb |
| GLOBE ENGINEERING CO INC | WICHITA | Trichloroethylene | 11k lb |
| METAL FINISHING CO. INC. | WICHITA | Trichloroethylene | 11k lb |
| INFINITECH METAL FINISHING | WICHITA | Zinc compounds | 9k lb |
| DOLD FOODS INC | WICHITA | Sodium nitrite | 7k lb |
| CHROME PLUS INTERNATIONAL LLC | WICHITA | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 7k lb |
| WILKO PAINT INC. | WICHITA | Xylene (mixed isomers), Toluene | 6k lb |
| PHILLIPS 66 CO WICHITA TERMINAL | WICHITA | Toluene, n-Hexane | 3k lb |
| CLEAN HARBORS WICHITA LLC | WICHITA | Ethylene glycol, Zinc compounds | 2k lb |
| CENTURY MFG INC | BEL AIRE | Methyl methacrylate | 1k lb |
| ANDALE READY MIX | WICHITA | Barium, Lead | 1k lb |
| MARBLE PRODUCTS CO | WICHITA | Styrene | 841 lb |
| BG PRODUCTS INC | WICHITA | Certain glycol ethers | 763 lb |
| CHANCE RIDES LLC | WICHITA | Styrene | 446 lb |
| TEXTRON AVIATION/WEST CAMPUS | WICHITA | Lead compounds | 129 lb |
| KOCH-GLITSCH LP | WICHITA | Chromium, Manganese | 26 lb |
Underground fuel tanks
EPA's UST Finder records 1,213 tank facilities in Sedgwick: 827 tanks in service and 2,906 closed. 1,398 fuel releases are on record, of which 195 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Sedgwick 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 Sedgwick, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- 13TH & WASHINGTONWICHITA
- 29TH & MEAD GROUND WATER CONTAMINATIONWICHITA
- 57TH AND NORTH BROADWAY STREETS SITEWICHITA
- BIG RIVER SAND CO.WICHITA
- JOHNS' SLUDGE PONDWICHITA
- MCCONNELL AIR FORCE BASEWICHITA
- PCE EAST 21ST STREET NORTH UPGRADIENTWICHITA
- PCE EAST DOUGLAS AVENUEWICHITA
- PCE NORTH FIRST STREETMULVANE
- TCE WEST HARRY STREETWICHITA
- TREATCOWICHITA