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.
The listed URL identifies a referenced source; it does not by itself document the ingestion endpoint. Referenced source URL: https://echo.epa.gov/tools/data-downloads. Source-specific terms apply. US federal employee-authored works are generally public domain under 17 USC 105; non-federal and third-party material retains source terms. Free or keyless access does not alter source terms. Metadata and normalization authored by MORVS (AI Analytics LLC) are CC0 only where expressly stated.