1e is a privately owned earth dam located in Pottawatomie, Kansas, along the Pleasant Run-TR river/stream. This dam, designed by DeHaan, Grabs & Assoc in Mandan, ND, serves a primary purpose of "Other" and has a low hazard potential. With a hydraulic height of 21 feet and a structural height of 32 feet, 1e has a storage capacity of 124 acre-feet and a drainage area of 0.14 square miles.

Despite being in a state-regulated jurisdiction, 1e is not subject to state permitting, inspection, or enforcement. The dam has a controlled spillway with a width of 40 feet and a maximum discharge of 300 cubic feet per second. The risk assessment for 1e is very high, with a risk level of 1, and the condition assessment is currently not rated. The dam is not operated by a federal agency and does not have any associated structures or federal funding.

Overall, 1e presents a unique case study for water resource and climate enthusiasts due to its privately owned status, low hazard potential, and very high risk assessment. With its controlled spillway and storage capacity of 124 acre-feet, 1e serves as a key structure in managing water flow along the Pleasant Run-TR river/stream in Pottawatomie, Kansas. Its design by DeHaan, Grabs & Assoc and lack of federal oversight offer an intriguing look at the intersection of private ownership and dam regulation in the United States.