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River Facts
River Facts
Helpful facts and documents about the Thornapple River.
Cascade Dam
Fishing Survey
Testing
Drawdown
History of Cascade Dam
Highlights of Cascade Dam
Fish Survey 2006
Fish Survey 2005
Fish Survey 1993-1994
SAD Water Testing
2022WQ-M
2022WQ-TSM
2022WQ-ER
2022WQ-TRS
2022WQ-TRF
Water Testing 2021
Water Testing 2020
Water Testing 2019
Water Testing 2018
Water Testing 2013
Thornapple River Water Quality Monitoring by Rusty Trapp - July 2010
Water Testing 2007
Soil Testing 2006
Drawdown Schedule Letter 1996
Drawdown Schedule 2003 - 2020
About
About CTRA and the mission
Events Calendar
Fishing, drawdown, fireworks and more...
CTRA Bylaws
Bylaws of the Thornapple River Association
