Columbia County Streambank Stabilization Project

In early 2024, the Columbia County Conservation District partnered with the State Conservation Commission, the Center for Agricultural Conservation Assistance Training at Penn State Extension (CACAT), and local stakeholders to address severe streambank erosion along Fishing Creek near Benton, Pennsylvania.

The site was selected as an Agricultural Conservation Assistance Program (ACAP) demonstration project to showcase streambank stabilization best practices. Because few streambank stabilization projects have been implemented using ACAP funds, this project highlights the program's ability to stabilize eroding streambanks and improve instream habitat in a cost-effective manner.

Project Purpose

  • Address active streambank erosion affecting pastureland and contributing sediment and nutrients to Fishing Creek.
  • Demonstrate the use of fish habitat enhancement structures to stabilize banks while improving aquatic habitat.

Technical Approach

  • Approximately 400 linear feet of eroding bank were stabilized using:
    • Modified mudsill cribbing
    • Root wad deflectors
    • Stone deflector
  • Design and permitting included comprehensive reviews, erosion and sediment control plans, ecological assessments, and state permits.
  • Construction was completed in September 2025 with oversight from conservation professionals.

Key Outcomes

  • 400 ft of streambank stabilized, reducing soil loss and protecting water quality.
  • Significant prevention of annual pollutant loads, including:
    • ~51,615 lbs of sediment
    • ~58.8 lbs of nitrogen
    • ~27.1 lbs of phosphorus
  • Enhanced aquatic habitat and improved stream stability in an agricultural watershed.
  • Served as a demonstration site for conservation best practices, featuring cross-agency collaboration.
  • Offered real-world learning for conservation professionals through an on-site field tour.

This project exemplifies how ACAP funds can support innovative conservation solutions that benefit both landowners and local watersheds.

Lessons for Future Projects

  • Partner collaboration is essential — early technical coordination improved planning and implementation.
  • Access and staging logistics matter — early evaluation can reduce design changes and permitting delays.
  • Flexible designs help optimize site conditions while protecting sensitive riparian areas.
  • Weather and scheduling considerations are critical for safe and efficient construction.
  • Field demonstrations benefit the conservation community by providing hands-on learning opportunities.

Partners

Photo Gallery

Includes:

  • Before/after stabilization
  • Construction in progress
  • Field tour with participants

View Photos of Columbia County Streambank Stabilization Project.

Time-lapse Video