Weld County, CO
The federal environmental record for Weld County (population 359,442): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
1
PFAS-detecting water systems
54
TRI facilities
15
open tank releases
Drinking water: PFAS testing
Public water systems serving Weld 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 |
|---|---|---|
| LOCHBUIE TOWN OF CO0162486 | PFPeA: 6.8 ng/L PFBS: 6.3 ng/L PFHxA: 5.6 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
54 facilities in Weld filed TRI reports for 2024, totalling 1.3M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| LEPRINO FOODS CO - GREELEY | GREELEY | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 413k lb |
| METAL CONTAINER CORPORTION - WINDSOR CAN PLANT | WINDSOR | Certain glycol ethers, n-Butyl alcohol | 339k lb |
| LATHAM GAS PLANT | PLATTEVILLE | Toluene, Benzene | 98k lb |
| LUCERNE PLANT | GREELEY | n-Hexane, Methanol | 55k lb |
| MEWBOURN GAS PLANT | GILCREST | n-Hexane, Cyclohexane | 53k lb |
| DCP MIDSTREAM O-CONNOR GAS PLANT | KERSEY | Methanol, n-Hexane | 51k lb |
| PLATTEVILLE GAS PLANT | PLATTEVILLE | Copper compounds, n-Hexane | 35k lb |
| FORT LUPTON GAS PROCESSING PLANT | FORT LUPTON | Formaldehyde, n-Hexane | 33k lb |
| KODAK ALARIS COLORADO | WINDSOR | Toluene, Methanol | 33k lb |
| GOLDEN ALUMINUM | FORT LUPTON | Chromium, Aluminum (fume or dust) | 30k lb |
| CARESTREAM HEALTH COLORADO | WINDSOR | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Silver And Silver Compounds | 19k lb |
| GREELEY FRACTIONATION PLANT - DCP | EVANS | n-Hexane, Toluene | 19k lb |
| BOULDER SCIENTIFIC CO LLC - MEAD FACILITY | MEAD | Methanol, Toluene | 17k lb |
| DCP MIDSTREAM LP - SPINDLE GAS PLANT | FORT LUPTON | n-Hexane, Cyclohexane | 9k lb |
| ROGGEN PLANT | ROGGEN | n-Hexane, Cyclohexane | 8k lb |
| CHEMICAL & METAL INDUSTRIES INC | HUDSON | Antimony And Antimony Compounds, Chloroform | 5k lb |
| BOULDER SCIENTIFIC CO LLC - SPECIALTY PLACE | LONGMONT | Toluene, n-Hexane | 5k lb |
| AURORA ORGANIC DAIRY CORP | PLATTEVILLE | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nitric acid | 5k lb |
| SWIFT BEEF CO | GREELEY | Ammonia | 4k lb |
| LANCASTER GAS PROCESSING PLANT | FORT LUPTON | n-Hexane, Toluene | 3k lb |
| FRONT RANGE ENERGY | WINDSOR | Acetaldehyde, Ammonia | 3k lb |
| KEENESBURG GAS PLANT | KEENESBURG | n-Hexane, Benzene | 3k lb |
| AFCO STEEL | GREELEY | Zinc (fume or dust) | 3k lb |
| PLATTE VALLEY GAS PROCESSING PLANT | FORT LUPTON | Methanol, n-Hexane | 2k lb |
| COASTAL CHEMICAL CO. LLC | GREELEY | Methanol, Ethylene glycol | 2k lb |
Underground fuel tanks
EPA's UST Finder records 595 tank facilities in Weld: 365 tanks in service and 1,137 closed. 358 fuel releases are on record, of which 15 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Weld 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 - $39