Yavapai County, AZ
The federal environmental record for Yavapai County (population 249,081): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
13
federal cleanup sites
6
PFAS-detecting water systems
8
TRI facilities
35
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Iron King Mine - Humboldt Smelter | Dewey-Humboldt | on the NPL | 09/03/2008 |
Drinking water: PFAS testing
Public water systems serving Yavapai 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 |
|---|---|---|
| BIG PARK WATER COMPANY AZ0413012 | PFBS: 28 ng/L PFOA: 21 ng/L PFHxA: 4.6 ng/L | above final limit |
| PONDEROSA PARK DWID AZ0413044 | PFBS: 24 ng/L PFOA: 7 ng/L PFHxA: 6.5 ng/L | above final limit |
| PRESCOTT CITY OF AZ0413045 | PFPeA: 14.9 ng/L PFHxA: 12.6 ng/L PFOA: 11.4 ng/L | above final limit |
| COTTONWOOD MUNICIPAL WATER CW1 AZ0413025 | PFPeA: 3.2 ng/L | detected |
| CHINO VALLEY HIGH SCHOOL AZ0413087 | PFPeA: 3.5 ng/L PFHxA: 3.1 ng/L | detected |
| CHINO VALLEY SCHOOL - DEL RIO AZ0413187 | PFPeA: 3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
8 facilities in Yavapai filed TRI reports for 2024, totalling 3.0M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| FREEPORT-MCMORAN BAGDAD INC | BAGDAD | Lead And Lead Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 3.0M lb |
| LHOIST NA OF ARIZONA INC - NELSON PLANT | PEACH SPRINGS | Lead And Lead Compounds, Vanadium compounds | 13k lb |
| DRAKE CEMENT LLC | PAULDEN | Ammonia, Chromium | 4k lb |
| PHOENIX CEMENT CO | CLARKDALE | Ammonia, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 3k lb |
| NESTLE HEALTH SCIENCE US | PRESCOTT | Zinc compounds | 1k lb |
| STURM RUGER & CO INC | PRESCOTT | Lead, Chromium | 815 lb |
| MARTIN MARIETTA ARIZONA LLC - YAVAPAI PLANT | PRESCOTT | Lead | 0 lb |
| MARTIN MARIETTA ARIZONA LLC - CLARKDALE PLANT | CLARKDALE | Lead And Lead Compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 406 tank facilities in Yavapai: 261 tanks in service and 898 closed. 329 fuel releases are on record, of which 35 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Yavapai 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 Yavapai, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CASH MINEPRESCOTT
- CONGRESS CONSOLIDATED GOLD MINING COCONGRESS
- FREEPORT-MCMORAN BAGDAD INCBAGDAD
- HASSAYAMPA/LYNX CREEK ABANDONED MINESPRESCOTT
- HILLSIDE MINEBAGDAD
- HOLIDAY GIRL MINEPRESCOTT
- HUMBOLDT SMELTERHUMBOLDT
- MCCLEUR TAILINGSPRESCOTT
- PHELPS DODGE VERDE MINECLARKDALE
- PRESCOTT NATIONAL FOREST (USDA)PRESCOTT
- PRESCOTT VALLEY MEDICAL CENTERPRESCOTT VALLEY
- SUNDANCE MINEPRESCOTT
- ZONIA COPPER MINEKIRKLAND