Schwarz Dam, also known as Otto 3 or Wetland 3, is a privately owned earth dam located in Adams County, North Dakota. Built in 1995 by the USFWS, this dam serves multiple purposes including fire protection, livestock management, and small fish pond development. With a height of 14.8 feet and a length of 305 feet, Schwarz Dam has a storage capacity of 102.7 acre-feet and covers a surface area of 12.6 acres.

Managed by the North Dakota State Water Commission, Schwarz Dam is regulated, inspected, and enforced by state authorities to ensure its safety and compliance with regulations. The dam features an uncontrolled spillway with a width of 280 feet and a vertical lift outlet gate for water release. Despite its low hazard potential, the dam is classified as having a moderate risk level, with risk management measures in place to address any potential issues.

Water resource and climate enthusiasts can appreciate Schwarz Dam's role in water management and conservation efforts in the region. With its strategic location along Goose Creek and the St. Paul District, this dam plays a vital role in maintaining water supply for various uses while also considering environmental factors and risk mitigation strategies.