Publications & Forms

Title (link to summary)	Number	Date (released or updated)
Quality Assurance Project Plan - Roza Irrigation District ASR Pilot Test	26-12-018	August 2026
Quality Assurance Project Plan - Hydrochemical Assessment of Managed Aquifer Recharge on the Toppenish Alluvial Fan	26-12-017	July 2026
Quality Assurance Project Plan Characterization of in situ virus transport and inactivation in the groundwater of Columbia River basalt aquifers: Sampling	26-12-016	July 2026
DRAFT Columbia River Basin 2026 Long-term Water Supply and Demand Forecast	26-12-009	July 2026
QAPP - Icicle Creek Tributary Streamflow Monitoring and Dye Tracer Study	26-12-014	June 2026
Environmental Justice Assessment for Construction of the Odessa Groundwater Replacement Program’s EL 22.1 Pipeline Project	26-12-012	June 2026
Drought in the Yakima River Basin Frequently Asked Questions	26-12-011	June 2026
Quality Assurance Project Plan Icicle Creek Synoptic Flow Study	26-12-010	June 2026
Quality Assurance Project Plan Continuous Water Temperature Monitoring in Bull Trout Habitat	26-12-008	May 2026
Revised Draft Quality Assurance Project Plan Columbia Basin Groundwater Cooperative Interactive Web Map Application and Website	26-12-007	April 2026
Quality Assurance Project Plan Springwood Geotechnical Exploration Plan Phase 2	26-12-006	April 2026
Quality Assurance Project Plan Leavenworth National Fish Hatchery Well Field Enhancement – Hydrogeologic Investigation Icicle Strategy	26-12-005	April 2026
Office of Columbia River-- Yakima Basin Integrated Planning Grants IGX Application Instructions 2025-2027 Biennium	26-12-004	March 2026
Office of Columbia River-- Columbia River Basin Water Management IGX Application Instructions 2025-2027 Biennium	26-12-003	March 2026

Ecology Publications & Forms

Office of Columbia River (225 publications 1978-2026)