Source archive

Monitoring Reports

Original Elwha River monitoring reports organized by the year the monitoring work was completed.

About the archive: Reports are provided in their original form. The organizing year is the year of field work or monitoring covered by the report, not necessarily the publication date.

2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013

2025

Chinook escapement

2025 Elwha Chinook Escapement Based on SONAR

Monitoring/work year: 2025 · PDF · 0.9 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2025

Monitoring/work year: 2025 · PDF · 6.6 MB

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Coho escapement

2025 Elwha coho salmon escapement based on SONAR

Monitoring/work year: 2025 · PDF · 1.4 MB

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Smolt outmigration

2025 Elwha Smolt Outmigration Report

Monitoring/work year: 2025 · PDF · 4.5 MB

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Winter steelhead escapement

2025 Elwha Steelhead Escapement Based on SONAR

Monitoring/work year: 2025 · PDF · 1.6 MB

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2024

Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2024

Monitoring/work year: 2024 · PDF · 6.3 MB

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Winter steelhead escapement

2024 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2024 · PDF · 1.5 MB

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2023

Chinook escapement

2023 Elwha Chinook Escapement Estimate Based on SONAR

Monitoring/work year: 2023 · PDF · 1.2 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2023

Monitoring/work year: 2023 · PDF · 6.0 MB

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Winter steelhead escapement

2023 Elwha steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2023 · PDF · 1.6 MB

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2022

Chinook escapement

2022 Elwha Chinook Escapement Estimate Based on SONAR

Monitoring/work year: 2022 · PDF · 2.1 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2022

Monitoring/work year: 2022 · PDF · 5.4 MB

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Coho escapement

2022 Elwha coho salmon escapement based on SONAR

Monitoring/work year: 2022 · PDF · 2.1 MB

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Rica Canyon survey

RicaSurveyReport 0922

Monitoring/work year: 2022 · PDF · 3.5 MB

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Smolt outmigration

2022 Elwha Smolt Outmigration Report

Monitoring/work year: 2022 · PDF · 4.6 MB

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Winter steelhead escapement

2022 Elwha steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2022 · PDF · 2.7 MB

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Winter steelhead spawning survey

Elwha 2021-2022 winter steelhead survey summary final

Monitoring/work year: 2022 · PDF · 5.4 MB

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2021

Chinook escapement

2021 Elwha Chinook Escapement Estimate Based on SONAR

Monitoring/work year: 2021 · PDF · 2.3 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2021

Monitoring/work year: 2021 · PDF · 5.1 MB

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Coho escapement

2021 Elwha coho escapement based on SONAR

Monitoring/work year: 2021 · PDF · 2.1 MB

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Coho relocation & spawning survey

Elwha 2011-2021 Coho Relocation and Spawning Survey Summary

Monitoring/work year: 2021 · PDF · 2.2 MB

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Hatchery-origin spawner monitoring

Peters et al 2022 Elwha pHOS Report 2021

Monitoring/work year: 2021 · PDF · 1.8 MB

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Smolt outmigration

2021 Elwha Smolt Outmigration Report

Monitoring/work year: 2021 · PDF · 3.8 MB

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Winter steelhead escapement

2021 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2021 · PDF · 2.5 MB

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Winter steelhead spawning survey

Elwha 2020-2021 winter steelhead survey summary final

Monitoring/work year: 2021 · PDF · 4.8 MB

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2020

Smolt outmigration

Elwha SmoltOutmigration Report 2020

Monitoring/work year: 2020 · PDF · 2.9 MB

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Winter steelhead escapement

2020 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2020 · PDF · 2.4 MB

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2019

Chinook escapement

2019 Elwha Chinook Escapement Estimate Based on SONAR

Monitoring/work year: 2019 · PDF · 1.9 MB

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Coho escapement

2019 Elwha coho escapement based on SONAR final

Monitoring/work year: 2019 · PDF · 1.9 MB

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Hatchery-origin spawner monitoring

2019 pHOS Report 2019

Monitoring/work year: 2019 · PDF · 2.7 MB

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Hatchery-origin spawner monitoring

Peters et al 2020 Elwha pHOS Report 2019

Monitoring/work year: 2019 · PDF · 2.7 MB

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Monitoring report

Elwha WinterSteelhead SurveySummary 2018-2019 final

Monitoring/work year: 2019 · PDF · 3.1 MB

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Smolt outmigration

2019 Elwha Smolt Outmigration Report

Monitoring/work year: 2019 · PDF · 3.3 MB

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Winter steelhead escapement

2019 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2019 · PDF · 2.2 MB

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2018

Chinook escapement

2018 Elwha SONAR Chinook

Monitoring/work year: 2018 · PDF · 2.4 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2018

Monitoring/work year: 2018 · PDF · 4.5 MB

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Smolt outmigration

2018 Elwha Smolt Outmigration Report

Monitoring/work year: 2018 · PDF · 3.4 MB

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Winter steelhead escapement

2018 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR-FINAL

Monitoring/work year: 2018 · PDF · 2.2 MB

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2017

Chinook carcass survey

Weinheimer 2017 Elwha Chinook Carcass Report

Monitoring/work year: 2017 · PDF · 1.7 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2017

Monitoring/work year: 2017 · PDF · 3.3 MB

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Smolt outmigration

2017 Elwha Smolt Outmigration Report

Monitoring/work year: 2017 · PDF · 3.3 MB

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Winter steelhead escapement

2017 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2017 · PDF · 2.3 MB

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Winter steelhead spawning survey

Elwha 2016-2017 winter steelhead survey summary final

Monitoring/work year: 2017 · PDF · 2.4 MB

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2016

Chinook carcass survey

Weinheimer 2016 Elwha Chinook Carcass Report

Monitoring/work year: 2016 · PDF · 2.2 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2016

Monitoring/work year: 2016 · PDF · 1.7 MB

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Smolt outmigration

2016 Elwha River Smolt Enumeration Project Report

Monitoring/work year: 2016 · PDF · 3.3 MB

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Winter steelhead escapement

2016 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2016 · PDF · 2.4 MB

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2015

Chinook carcass survey

Weinheimer 2015 Elwha Chinook Carcass Report

Monitoring/work year: 2015 · PDF · 2.1 MB

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Chinook spawning distribution

Spatial Spawning Distribution of Elwha Chinook 2012-2015

Monitoring/work year: 2015 · PDF · 2.0 MB

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Smolt outmigration

2015 Elwha River Smolt Enumeration Project Report

Monitoring/work year: 2015 · PDF · 1.8 MB

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Smolt outmigration

Elwha Smolt Outmigration Report

Monitoring/work year: 2015 · PDF · 1.8 MB

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Winter steelhead escapement

2015 Elwha Steelhead escapement estimate — Escapement Estimate Based on SONAR

Monitoring/work year: 2015 · PDF · 1.9 MB

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2014

Chinook carcass survey

Weinheimer 2014 Elwha Chinook Carcass Report

Monitoring/work year: 2014 · PDF · 2.0 MB

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Smolt outmigration

Elwha 1443PC00296 Smolt Outmigration Report 2014

Monitoring/work year: 2014 · PDF · 1.8 MB

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2013

Monitoring report

Elwha-2012-2013-winter-steelhead-spawning-survey-summary

Monitoring/work year: 2013 · PDF · 0.4 MB

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Weir monitoring

Anderson Elwha Weir report 2013 wdfw01706

Monitoring/work year: 2013 · PDF · 4.4 MB

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