Kitsap County, WA
The federal environmental record for Kitsap County (population 277,658): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
8
Superfund NPL sites
12
federal cleanup sites
4
PFAS-detecting water systems
3
TRI facilities
85
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Bangor Naval Submarine Base | Silverdale | on the NPL | 08/30/1990 |
| Bangor Ordnance Disposal (USNAVY) | Bremerton | on the NPL | 07/22/1987 |
| Bremerton Gasworks | Bremerton | on the NPL | 05/10/2012 |
| Jackson Park Housing Complex (USNAVY) | Kitsap County | on the NPL | 05/31/1994 |
| Naval Undersea Warfare Station (4 Areas) | Keyport | on the NPL | 10/04/1989 |
| Old Navy Dump/Manchester Laboratory (USEPA/NOAA) | Manchester | on the NPL | 05/31/1994 |
| Puget Sound Naval Shipyard Complex | Bremerton | on the NPL | 05/31/1994 |
| Wyckoff Co./Eagle Harbor | Bainbridge Island | on the NPL | 07/22/1987 |
Drinking water: PFAS testing
Public water systems serving Kitsap 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 |
|---|---|---|
| West Sound Utility District #1 WA5302600 | PFHxS: 8 ng/L PFOA: 5.7 ng/L PFPeA: 5.3 ng/L | above final limit |
| BREMERTON CITY OF WA5308200 | PFBS: 4.9 ng/L | detected |
| HORIZONS WEST WA5334375 | 6:2 FTS: 9.5 ng/L | detected |
| PARKVIEW TERRACE WA5366215 | PFBS: 5.5 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
3 facilities in Kitsap filed TRI reports for 2024, totalling 479k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| US NAVY PSNS & IMF - BREMERTON SITE & NAVAL BASE KITSAP | BREMERTON | Copper compounds, Copper | 460k lb |
| NAVAL BASE KITSAP BANGOR - RANGE ACTIVITIES | SILVERDALE | Lead | 13k lb |
| DEFIANCE BOATS LLC | BREMERTON | Styrene | 6k lb |
Underground fuel tanks
EPA's UST Finder records 452 tank facilities in Kitsap: 264 tanks in service and 1,064 closed. 93 fuel releases are on record, of which 85 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Kitsap as Zone 3, the lowest predicted indoor radon (under 2 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 Kitsap, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BANGOR NAVAL SUBMARINE BASESILVERDALE
- BANGOR NAVAL SUBMARINE BASESILVERDALE
- CAMP WESLEY HARRIS NAVAL RESERVATIONBREMERTON
- FORMER PUGET SOUND NAVAL AMMUNITION DEPOTBREMERTON
- GORST CREEK-BREMERTON AUTO WRECKING LANDFILLPORT ORCHARD
- JACKSON PARK HOUSING COMPLEX (USNAVY)KITSAP COUNTY
- NAVAL UNDERSEA WARFARE ENGINEERING STATION (4 WASTE AREAS)KEYPORT
- OLD NAVY DUMP/MANCHESTER LABORATORY (USEPA/NOAA)MANCHESTER
- PUGET SOUND NAVAL SHIPYARD COMPLEXBREMERTON
- USDOC NOAA MANCHESTER FIELD STATIONMANCHESTER
- USN TRANSIENT FAMILY ACCOMMODATION EAST PARKBREMERTON
- USNAVY DRMO YARD BREMERTON SHIPYARDBREMERTON