State water records
Colorado water districts
DitchBook is expanding from verified company records into useful structure dossiers district by district. Each published page has a source date, evidence status, official map point, state fields, listed rights, and a machine-readable counterpart.
District 5 — St. Vrain and Left Hand
487 published dossiers: 217 ditches and 270 reservoirs across Boulder, Weld, and Larimer counties.
Explore District 5Other districts remain deferred until this pilot demonstrates professional use and indexing quality.