Warren H Ohl is a crucial water supply dam located in Greene Township, Clinton, Pennsylvania, along the McElhatten Creek. Completed in 1965, this earth dam stands at a height of 59 feet and stretches 910 feet in length, providing a storage capacity of 2520 acre-feet. Despite its importance in water supply, the dam is currently rated as having a high hazard potential and poor condition assessment, with the last inspection in December 2020 revealing significant foundation issues that were addressed in a 2009 modification.

Managed by the Pennsylvania Department of Environmental Protection, Warren H Ohl is subject to state regulation, permitting, inspection, and enforcement. The dam serves as the primary water source for the surrounding area, with a normal storage capacity of 1720 acre-feet and a drainage area of 3.17 square miles. The dam's deteriorating condition underscores the need for ongoing monitoring and potential risk management measures to ensure the safety and reliability of its water supply function in the face of climate change impacts and increasing stress on water resources.

As a critical piece of infrastructure in the region, Warren H Ohl plays a vital role in water resource management and climate resilience efforts. With its location along the McElhatten Creek and its significance for water supply in Greene Township, the dam's condition and maintenance are crucial factors in ensuring the safety and sustainability of the local water supply. Ongoing assessments, inspections, and potential risk mitigation measures will be essential to address the high hazard potential and poor condition of Warren H Ohl, safeguarding its role in supporting the community's water needs amidst a changing climate and growing water challenges.