Ellis County, KS
The federal environmental record for Ellis County (population 28,810): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
8
federal cleanup sites
1
PFAS-detecting water systems
3
TRI facilities
41
open tank releases
Drinking water: PFAS testing
Public water systems serving Ellis 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 |
|---|---|---|
| HAYS, CITY OF KS2005111 | PFPeA: 10.7 ng/L 6:2 FTS: 7 ng/L PFHxA: 6.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Ellis filed TRI reports for 2024, totalling 65k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ENERSYS | HAYS | Lead And Lead Compounds, Antimony | 54k lb |
| HESS SERVICES INC-NORTH YARD | HAYS | Styrene | 10k lb |
| CHAMPIONX-HAYS | HAYS | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 133 tank facilities in Ellis: 89 tanks in service and 294 closed. 177 fuel releases are on record, of which 41 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Ellis 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 Ellis, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- HAYS PCE LOCATION #1 8TH (NORTH)HAYS
- HAYS PCE LOCATION #2 8TH (SOUTH)HAYS
- HAYS PCE LOCATION #3 9THHAYS
- HAYS PCE LOCATION #4 MAIN (NORTH)HAYS
- HAYS PCE LOCATION #5 10TH (WEST)HAYS
- HAYS PCE LOCATION #6 MAIN (SOUTH)HAYS
- HAYS PCE LOCATION #7 11THHAYS
- HAYS PCE LOCATION #8 10TH (EAST)HAYS