Rotary Screw Trap Operations – Stanislaus River

This contract involves the operation and maintenance of a rotary screw trap located at Caswell State Park on the Stanislaus River during the fish migration season. The responsibilities include daily trap operation, capturing fish, and monitoring the trap's performance to ensure the effectiveness of the activities. The contract is a subcontract issued by the Department of the Interior through its Mp-regional Office and falls under the NAICS code 213112, which relates to support activities for mining but is likely used here for environmental or water resource monitoring tasks. The scope of work emphasizes consistent daily management of the rotary screw trap to support ongoing ecological or fisheries research or management efforts. The contractor is expected to maintain equipment functionality while ensuring accurate data collection regarding fish movement and migration patterns. Although specific location details such as city and state are not provided, the operations take place on the Stanislaus River within Caswell State Park. The contract was posted in late April 2026 and appears designed to support environmental stewardship and species monitoring initiatives during critical migratory periods.