Interrogation Site Metadata

1HC - Hells Canyon Trap Ladder

Status:   Active - Operations Unspecified

Site Type: Hatchery Returns  |  Organization: Idaho Power Company

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General Operational Period: Seasonally
Start Date:

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Hells Canyon Dam Fish Trap Ladder is located on the Oregon/Idaho border of the Snake River, a tributary to the Columbia River.

Current Operations

Last File Loaded:	1HC-2026-318-P-001.json
Date Last File Loaded:	11/14/2026 5:00 AM
Date Last File Opened:	11/14/2026 1:04 AM
Date Last File Closed:	11/14/2026 4:04 AM
Last Observation Tag:	3DD.003DF0A691
Last Observation Date:	11/10/2026 9:22 AM
Detection Summary:	Last Day's Observations

Scroll to:

• Contacts
• Location
• Operational History
• Configuration
• Equipment History
• Photos
• Event Log Summary
• Archived Event Logs

Contacts

Primary Contact:

Rick Wilkison
RWilkison@idahopower.com

Data Steward:

Stuart Rosenberger
srosenberger@idahopower.com
208-388-6121

Location

Coordinates: 45.2444, -116.70115  |  River Km: 522.397

Operational History

Operational history describes the period the site was interrogating for PIT tags. The comments provide anecdotal information about the operation of the site during this period. Site operational periods are updated typically at the end of the calendar year.

Configuration

Configuration metadata includes details about the equipment used at the site to detect and record PIT tags. A new configuration sequence record is created when equipment is added or removed from the site and the period of time it was active. A configuration sequence without an End Date is currently active.

Select Configuration Number:

Start Date:  10/22/2026

End Date:  ----

Site Configuration Diagrams:

Equipment History

Select a type to view the history of equipment installed at this site. A missing End Date implies the information about the equipment is current.

Select Equipment Type:

Show Current Equipment

Show Current and Previous Equipment

Photos

No Archived Event Logs