PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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6-IN-1 STATE ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • WA

Washington (WA) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards

Scan an Address in Washington →

According to public U.S. EPA, USDA, and FEMA registries (current as of November 01, 2026), Washington tracks 46,871 EPA-regulated facilities, including 2,436 High-Risk sites (5.2%), 6,192 active violators, and $162,506,471 in federal penalties. Statewide environmental due diligence also covers 9,211 Safe Drinking Water (SDWIS) facilities, 17,483 Clean Water NPDES permits, 46 historical FEMA disaster declarations, USDA Soil Shrink-Swell (MODERATE regional signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites
46,871
High-Risk Sites (5.2%)
2,436
Active Violators (13.2%)
6,192
Drinking & Clean Water
26,694
Federal Penalties
$162,506,471

Washington (WA) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Screening Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
46 Statewide FEMA Declarations (7 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Regional Shrink-Swell Signal: MODERATE • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
9,211 SDWIS Systems • 17,483 NPDES Permits
🔒 3,911 Impaired Water (303d) & 8,212 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Washington (WA) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. Regulatory & Water Program Composition
RCRA Hazardous Waste Generators 20,408 (43.5%)
Clean Water (NPDES) & Drinking Water (SDWIS) 26,694 (57.0%)
Active EPA Non-Compliance Dockets 6,192 (13.2%)
High-Risk Enforcement Facilities 2,436 (5.2%)
2. FEMA NRI & USGS Hazard Index (1–10) Very High (99.7/100)
🌊 Flood Exposure 10/10 • Very High
🔥 Wildfire Hazard 8/10 • Relatively Low
☀️ Extreme Heat 10/10 • Relatively High
🌪️ Severe Wind / Storm 7/10 • Relatively Moderate
🫨 USGS Earthquake 10/10 • Very High
3. High-Risk Density vs. U.S. Baseline
Washington (WA) High-Risk Rate 5.2%
U.S. National EPA Baseline 3.6%
Why Scan a Specific Street Address? Public state pages show aggregate counts only. A paid property report unlocks exact facility names & distances in feet, USDA soil LEP % & water table depth, utility water violations, and parcel FEMA flood zone.
🔒 Run 1-Mile Property Address Scan →

Major Municipal Environmental Directories in Washington

Seattle
4,174 sites
124 High
Tacoma
1,961 sites
84 High
Spokane
1,471 sites
52 High
Vancouver
1,415 sites
79 High
Kent
1,072 sites
46 High
Everett
885 sites
35 High
Bellingham
764 sites
65 High
Bellevue
753 sites
17 High
Olympia
710 sites
42 High
Redmond
686 sites
18 High
Auburn
664 sites
28 High
Renton
635 sites
31 High
Puyallup
610 sites
40 High
Lynnwood
609 sites
13 High
Bothell
599 sites
28 High
Yakima
562 sites
23 High
Kirkland
420 sites
10 High
Marysville
384 sites
23 High
Bremerton
377 sites
31 High
Port Orchard
349 sites
27 High
Arlington
344 sites
26 High
Pasco
340 sites
12 High
Woodinville
323 sites
18 High
Mount Vernon
296 sites
24 High
Federal Way
295 sites
10 High
Lacey
293 sites
20 High
Tukwila
290 sites
12 High
Wenatchee
279 sites
15 High
Kennewick
270 sites
17 High
Longview
267 sites
27 High
Issaquah
266 sites
15 High
Walla Walla
266 sites
16 High
Port Angeles
262 sites
22 High
Gig Harbor
255 sites
13 High
Ridgefield
255 sites
27 High
Moses Lake
251 sites
19 High
Snohomish
247 sites
17 High
Ferndale
246 sites
32 High
Burlington
242 sites
22 High
Sumner
235 sites
18 High
Chehalis
235 sites
31 High
Richland
232 sites
22 High
Poulsbo
202 sites
12 High
Shelton
201 sites
12 High
Anacortes
199 sites
19 High
Oak Harbor
193 sites
20 High
Battle Ground
192 sites
20 High
Tumwater
192 sites
21 High
Fife
191 sites
9 High
Lake Stevens
185 sites
10 High
Pullman
184 sites
14 High
Centralia
183 sites
14 High
Ellensburg
183 sites
19 High
Enumclaw
174 sites
15 High
Lakewood
173 sites
9 High
Silverdale
170 sites
15 High
Camas
167 sites
18 High
Unknown
163 sites
0 High
Monroe
163 sites
10 High
East Wenatchee
161 sites
17 High

Counties in Washington (104)

County Total Sites High Risk RCRA Waste
King County 9,924 321 7,478
Pierce County 3,755 182 2,422
Snohomish County 3,175 133 1,827
Spokane County 1,807 56 1,347
Clark County 1,619 102 882
King County 1,538 122 4
Whatcom County 1,402 101 548
Thurston County 1,297 63 616
Yakima County 1,188 64 644
Kitsap County 1,115 57 516
Snohomish County 952 61 3
Skagit County 840 64 415
Pierce County 823 64 4
Lewis County 648 57 273
Clark County 639 72 0
Cowlitz County 613 49 336
Grant County 596 22 276
Benton County 587 36 375
Grays Harbor County 515 39 245
Chelan County 511 27 236
Island County 467 27 94
Clallam County 455 29 206
Mason County 452 16 129
Okanogan County 381 24 141
Franklin County 362 11 245
Whatcom County 328 46 1
Kittitas County 315 34 121
Walla Walla County 309 18 159
Kitsap County 301 43 1
Whitman County 272 20 120
Spokane County 254 19 0
Thurston County 252 34 0
Douglas County 218 17 87
Klickitat County 215 31 70
Skagit County 211 24 3
Stevens County 207 19 94
Jefferson County 189 11 75
San Juan County 180 11 28
Pacific County 165 13 66
Adams County 131 5 62
Lincoln County 118 7 65
Walla Walla County 117 10 0
Skamania County 110 4 37
Lewis County 109 11 1
Yakima County 108 14 1
Benton County 105 26 0
Cowlitz County 104 11 1
Pend Oreille County 104 4 39
Chelan County 103 7 0
Clallam County 91 10 1
Grant County 79 11 0
Whitman County 76 5 0
Kittitas County 75 11 1
Asotin County 67 6 36
Douglas County 61 11 0
Ferry County 61 10 21
Grays Harbor County 54 8 0
Franklin County 50 7 0
Columbia County 48 3 22
Island County 47 10 1
Mason County 42 3 0
Okanogan County 41 6 1
Wahkiakum County 35 2 14
Pacific County 33 3 0
Stevens County 33 9 0
Jefferson County 30 6 0
Garfield County 27 1 12
Pend Oreille County 24 1 0
Klickitat County 22 6 0
Lincoln County 17 3 0
San Juan County 13 1 0
Asotin County 12 0 0
Skamania County 12 1 0
Columbia County 11 0 0
Adams County 10 2 0
Garfield County 8 0 0
Out-Of-State County 4 0 4
Kootenai County 3 0 0
Wahkiakum County 3 0 0
Bristol Bay County 2 1 0
Ferry County 2 0 0
Portable Source County 2 0 0
Umatilla County 2 0 0
Bradford County 1 0 0
Cassia County 1 0 0
Clackamas County 1 0 0
Dillingham Census Area County 1 0 0
Greene County 1 0 0
Huntingdon County 1 0 0
Idaho County 1 0 0
Kenai Peninsula County 1 0 0
Lake County 1 0 0
Linn County 1 0 0
Matagorda County 1 0 0
Matanuska-Susitna County 1 0 0
Missoula County 1 0 0
Montezuma County 1 0 0
Northumberland County 1 0 0
Oneida County 1 0 0
Rio Grande County 1 0 0
Trinity County 1 0 0
Union County 1 0 0
Waller County 1 0 0
Wayne County 1 0 0

Highest-Density ZIP Codes in Washington

ZIP Code City Total Sites High Risk
98226 Bellingham 403 40
98223 Arlington 387 37
98032 Kent 734 36
98421 Tacoma 445 33
98532 Chehalis 253 33
98248 Ferndale 243 32
98108 Seattle 564 31
98642 Ridgefield 262 28
98632 Longview 269 27
98273 Mount Vernon 286 22
98390 Sumner 280 22
98233 Burlington 243 22
98225 Bellingham 295 21
98134 Seattle 449 20
98501 Olympia 286 20
98604 Battle Ground 196 20
98277 Oak Harbor 187 20
98837 Moses Lake 254 19
98221 Anacortes 200 19
98660 Vancouver 187 19
98926 Ellensburg 183 19
98671 Washougal 133 19
98072 Woodinville 311 18
98512 Tumwater 196 17
98312 Bremerton 180 17
98607 Camas 177 17
98230 Blaine 137 17
98001 Auburn 332 16
98802 East Wenatchee 161 16
98520 Aberdeen 155 16
98674 Woodland 149 16
98247 Everson 78 16
98801 Wenatchee 272 15
99362 Walla Walla 266 15
98055 Renton 197 15
98022 Enumclaw 186 15
98367 Bremerton 134 15
98201 Everett 293 14
98531 Centralia 186 14
98290 Snohomish 173 14
98383 Silverdale 147 14
98366 Port Orchard 232 13
98021 Bothell 213 13
98371 Edgewood 200 13
99163 Pullman 166 13
99352 Richland 158 13
98944 Sunnyside 104 13
98363 Port Angeles 92 13
98052 Redmond 572 12
99301 Pasco 337 12
98584 Shelton 204 12
98370 Poulsbo 203 12
98409 Tacoma 302 11
98424 Tacoma 244 11
98027 Issaquah 206 11
98665 Vancouver 187 11
98516 Lacey 181 11
98264 Lynden 151 11
98042 Covington 150 11
98110 Bainbridge Island 141 11

Highest-Scored EPA Enforcement & Contamination Facilities in Washington

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full Unredacted Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • PORT TOWNSEND, WA (ZIP 98368 Sector) HIGH (98/100) Significant Violation (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • SEATTLE, WA (ZIP 98199 Sector) HIGH (97/100) Significant Violation (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • HOQUIAM, WA (ZIP 98550 Sector) HIGH (96/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • ANACORTES, WA (ZIP 98221 Sector) HIGH (95/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • TACOMA, WA (ZIP 98421 Sector) HIGH (95/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • ANACORTES, WA (ZIP 98221 Sector) HIGH (94/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • OLYMPIA, WA (ZIP 98501 Sector) HIGH (93/100) Violation Identified (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • KENT, WA (ZIP 98032 Sector) HIGH (93/100) Significant Violation (10 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
TARGET STORE 0607 FREE PREVIEW (LOW RISK) 2925 HARRISON AVE NW, OLYMPIA, WA 98502 LOW (17/100) No Violation Identified (0 qtrs NC) $0
A PLUS REMOVAL & RECYCLING LLC FREE PREVIEW (LOW RISK) 116 CLAY ST NW STE B1, AUBURN, WA 98001 LOW (16/100) No Violation Identified (0 qtrs NC) $0
DOCTOR DONS AUTOMOTIVE INC FREE PREVIEW (LOW RISK) 1136 NW 50TH ST, SEATTLE, WA 98107 LOW (16/100) No Violation Identified (0 qtrs NC) $0
COMPLETE AUTOMOTIVE INC FREE PREVIEW (LOW RISK) 909 E UNION ST, SEATTLE, WA 98122 LOW (16/100) No Violation Identified (0 qtrs NC) $0
🔒 + 46,859 Additional Regulated & Enforcement Records in Washington Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Washington (WA) Environmental Due Diligence & EPA Dataset

How many EPA-regulated environmental sites and high-risk facilities are in Washington?

Public U.S. EPA records track 46,871 regulated facilities across Washington. Of those, 2,436 (5.2%) are classified in the High-Risk tier due to formal enforcement actions, penalties, or toxic chemical releases, and 6,192 (13.2%) have active non-compliance quarters.

Which counties and ZIP codes in Washington have the highest concentration of EPA-regulated sites?

In Washington, the highest regulated facility volumes are concentrated in King County (9,924 sites), Pierce County (3,755 sites), Snohomish County (3,175 sites), Spokane County (1,807 sites), with key high-risk postal sectors including ZIP 98226 (Bellingham, 40 high-risk), ZIP 98223 (Arlington, 37 high-risk), ZIP 98032 (Kent, 36 high-risk), ZIP 98421 (Tacoma, 33 high-risk).

How many drinking water systems (SDWIS), Clean Water permits, and FEMA disaster declarations are recorded in Washington?

Statewide in Washington, federal registries track 9,211 Safe Drinking Water (SDWIS) facilities, 17,483 Clean Water Act NPDES permits, and 3,911 impaired water body (303d) dischargers, alongside 46 historical FEMA disaster declarations.

What is the EPA Radon Zone and USDA Soil Foundation Risk for properties in Washington?

Regional geologic screening places Washington in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L) with USDA regional soil shrink-swell rated MODERATE. Run a street address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.