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2025 SEPA

You can find more SEPA information on the Department of Ecology's SEPA Register and website

File Number  Applicant Name   Documents & Date of Determination
EA 2025-001 Knutzen for 5 D Development Determination of Non-Significance
SEPA Record Number
EA 2025-002 Hermelinda Sierra Notice of Application
SEPA Record Number 202500271
MDNS Issued 1/20/2026
EA 2025-003 Rogers for David Rizin Notice of Application
SEPA Record Number 202500383
DNS Issued 2/28/2025
EA 2025-004 Owen Koskiniemi Notice of Application
SEPA Record Number 202500388
MDNS Issued 3/12/2025
EA 2025-005 MasTec Network Solutions Notice of Application
SEPA Record Number 202501009
DNS Issued 4/7/2025
EA 2025-006 Benton County Determination of Non-Significance
SEPA Record Number
EA 2025-007 Ira Hickman- Cottonwood Run Notice of Application
SEPA Record Number
MDNS Issued 
 EA 2025-008 Benton PUD  Determination of Non- Significance
SEPA record Number 202501741
DNS Issued 5/23/2025
 EA 2025-009 Farmland Reserve  Notice of Application
SEPA Record Number 202501717
MDNS issued 7/30/2025
 EA 2025-010 Thomas Judkins  Notice of Application
SEPA Record Number 202503418
MDNS Issued 9/15/2025
 EA 2025-011 Jason Simmons  Notice of Application
SEPA Record Number 202502448
MDNS Issued 7/8/2025
EA 2025-012  John Thornton Notice of Application
SEPA Record Number 202502216
MDNS Issued 6/20/2025
EA 2025-013  PocketiNet Communications  Notice of Application
SEPA Record Number 202502530
DNS Issued 7/9/2025
 EA 2025-014 Tri City Development   Notice of Application
SEPA Record Number
MDNS issued 8/4/2025
EA 2025-015  Russell Thurman Notice of Application
SEPA Record number 202503255
MDNS Issued 9/5/2025
EA 2025-016 Cottonwood Canyon Notice of Application
SEPA Record number
MDNS Issued 10/30/2025
EA 2025-017  Ziply Fiber  Notice of Application
SEPA Record Number 202503814
DNS Issued 10/15/2025
 EA 2025-018 Schneider Construction Notice of Application
SEPA Record Number 202503998
DNS Issued 10/22/2025
 EA 2025-019 Meier Enterprises LLC  Notice of Application
SEPA Record Number 202504249
MDNS Issued 3/26/2026
 EA 2025-020 Knutzen Engineering  Notice of Application
SEPA Record Number 202504252
MDNS Issued 2/13/2026
 EA 2025-021 Israel Jimenez Notice of Application
SEPA Record Number 202504250
MDNS Issued 10/31/2025
 EA 2025-022 Lighthouse Limited LLC.  Notice of Application
SEPA Record Number 202504354
MDNS Issued 11-12-2025 
 EA 2025-023 Brad Beauchamp Notice of Application
SEPA Record Number 202504457
MDNS Issued 11-13-2025
EA 2025-024  Larry and Tracy Daudet Notice of Application
SEPA Record Number 202504799
MDNS Issued 12-11-2025
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