Every site visit (sanitary survey, source water assessment, capacity assistance, technical assistance) at a SDWA-regulated public water system. Per visit: visit ID, PWSID, visit date, visit type code + description, visit reason, agency code, treatment compliance review flag, distribution system compliance review flag, source water review flag, security review flag.
Every record in this dataset can be traced back to its primary source at https://echo.epa.gov/tools/data-downloads. Underlying content is a US federal government work (public domain under 17 USC §105); our derived data is licensed CC0 1.0.