Oregon Subsurface Underground Storage Conveyance refers to a system of underground infrastructure designed to store and transport various substances or materials beneath the surface of Oregon. These conveyance systems are essential for managing and ensuring the safe storage and movement of liquids, gases, wastewater, and other substances throughout the state. Keywords: Oregon, Subsurface, Underground, Storage, Conveyance, Infrastructure, System, Liquids, Gases, Wastewater. There are several types of underground storage conveyance systems used in Oregon: 1. Underground Pipelines: These are the most common form of subsurface conveyance in Oregon. They consist of a network of underground pipes made from materials such as steel, plastic, or concrete. These pipelines are used to transport liquids, gases, and other substances across long distances. 2. Underground Storage Tanks (Uses): Uses are large, underground containers used to store petroleum products, chemicals, or hazardous substances. These tanks are constructed with corrosion-resistant materials and are designed to prevent leaks and protect the environment. 3. Subsurface Drainage Systems: In areas where excess water needs to be managed, subsurface drainage systems are employed. These systems consist of perforated pipes buried underground, which collect and transport excess water away from the surface, preventing waterlogging and improving soil conditions. 4. Sewer Conveyance Systems: Underground sewer systems are crucial in urban areas for transporting wastewater and sewage away from residential and industrial areas to treatment plants or disposal sites. These systems include a network of underground pipes and pump stations to facilitate the movement of wastewater. 5. Underground Gas Storage: This type of subsurface conveyance involves the storage of natural gas in underground reservoirs or depleted gas wells. These storage facilities ensure a stable supply of gas during peak demand periods and act as a buffer during fluctuations in supply or demand. Overall, the Oregon Subsurface Underground Storage Conveyance includes a wide range of underground infrastructure systems that play a vital role in the storage, transportation, and management of various substances across the state. These systems ensure the safe and efficient movement of liquids, gases, wastewater, and other valuable resources, contributing to the well-being and sustainability of Oregon's communities and industries.