Knapp Dam, located in Fremont County, Iowa, was completed in 1971 and is owned by a private entity. The dam, designed by the USDA NRCS, serves multiple purposes including fire protection, stock, and as a small fish pond. With a height of 34 feet and a length of 562 feet, Knapp Dam has a storage capacity of 93 acre-feet and covers a surface area of 5 acres.

The dam, situated on TR-Fisher Creek, is regulated by the Iowa Department of Natural Resources and is inspected and enforced by state agencies. Despite being classified as low hazard potential, the dam's condition has not been rated. Knapp Dam's spillway is uncontrolled, and it is designed as an earth dam with a soil foundation. With a moderate risk assessment score, there are currently no designated emergency action plans in place for the dam.

Overall, Knapp Dam provides essential water resource management for the local area, while also serving recreational purposes. Water resource and climate enthusiasts will appreciate the role this dam plays in providing fire protection and supporting local stock and fish populations. With its unique design and regulatory oversight, Knapp Dam stands as a testament to the importance of sustainable water resource management in Iowa.