This organization frequently issues extensive reports regarding water infrastructure and subsidence. Recent board materials from the California CCWA indicate that SWC reports are often divided into multiple sections due to their size.
Tools like WinRAR or 7-Zip are required to join the parts and extract the original "informative paper" (likely a PDF or DOCX file). Surge Protection Anthology - All Papers - Part 2 swc.part5.rar
Government purchasing divisions, such as the West Virginia Purchasing Division , use "SWC" prefixes for large multi-district contract documents and bidding packages. swc.part5.rar