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The StreamNet Program facilitates access to data sets and information provided by fish and wildlife managers to inform the Northwest Power and Conservation Council’s Columbia River Basin Fish and Wildlife Program mitigation efforts, along with assessments and reports required under the Endangered Species Act. 

A high-level summary of available information and its usage by data consumers is provided below. More details can be viewed by exploring the data queries accessible through the Explore Data buttons and by reading the annual reports submitted to Bonneville Power Administration, which are accessible through the StreamNet Documents button below or the All StreamNet Documents page.

2025 fish data stats
FISH MONITORING DATA
19,991
Time Series Data Sets
(1894 - Current)
61
ANADROMOUS AND RESIDENT FISH SPECIES
9
DATA CATEGORIES
(FISH COUNTS, HARVEST, HATCHERY RETURNS)
15
DATA PROVIDING ORGANIZATIONS
(Tribes, states,
federal)

Updated April 2025
Photo Credit: A.W. (Tony) Grover

DATA STORE
201
DATA SETS
fish, habitat, barriers, genetics, macroinverts, etc.
(1800-2020)
42
BPA
Projects
NPCC FW Program
26
DATA PROVIDERS
Organizations

Updated April 2025
Photo Credit: A.W. (Tony) Grover

Coordinated Assessments Partnership FISH HLIs
Columbia River & Pacific Northwest
Salmon and Steelhead

High-Level Indicator (HLI) Records

21,972
(1938 - Current)
NEW!!!

Hatchery Origin HLI Records

5,269
(1978 - Current)

Organizations Providing HLI Data

11

Natural and Hatchery Origin HLI Categories

10
Populations* with Natural Origin Spawner Abundance HLI Data
ESA Listed
208
Not Listed
30
Represented in Hatchery HLI Data
Hatchery Stocks
73
Hatchery Programs
208

*: includes populations represented at whole, multiple, and partial estimate levels.

Updated April 2023
Photo Credit: A.W. (Tony) Grover

STREAMNET GIS & QUERIES
533K
requests made to the API
4,524
StreamNet & Fish Facilities Mappers (unique views)
399
GIS
DOWNLOADS
10k
WEBSITE
VISITORS
(unique)

Data summarized for calendar year 2022 (Updated March 2023) Photo Credit: Public domain image obtained from BPA photo archives, no credit info.