{"schema_version":"1.0","record_id":"co-dwr-wdid:4000646","record_type":"colorado_dwr_structure","wdid":"4000646","canonical_url":"https://getditchbook.com/wdid/4000646/","identity":{"official_name":"SHAMROCK DITCH","display_name":"Shamrock Ditch","aliases":[],"structure_type":"DITCH"},"administration":{"division":4,"water_district":40,"current_in_use_code":"A","current_in_use_label":"Active structure with contemporary diversion records"},"location":{"county":"Delta","water_source":"Gunnison River","stream_mile":null,"legal_location":"Q10 SE · Q40 SE · Q160 SW · Section 14 · Township 14.0 S · Range 94.0 W · Sixth Principal Meridian","point":{"type":"Point","coordinates":[-107.866119,38.8293]},"point_accuracy":"GPS"},"state_record":{"modified_at":"2023-11-13","associated_case_references":["CA2030"],"dwr_associated_contacts":["DUKE DITCH INC. (HOTCHKISS, JOHN)"],"period_of_record_start":"1970-04-08","period_of_record_end":"2024-10-31","source_url":"https://dwr.state.co.us/Tools/Structures/4000646"},"water_rights":{"row_count":1,"rows":[{"record_number":1585393,"appropriation_date":"1925-06-15","adjudication_date":"1930-02-10","prior_adjudication_date":"1920-08-28","amounts":{"absolute":5,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"G106","administration_number":27559,"order_number":0,"decreed_use_code":"1","associated_case_references":["CA2030"],"source_modified_at":"1990-04-17","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1585393"}],"live_search_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts"},"company_association":{"status":"verified","verified_companies":[{"entity_id":"19871071560","name":"Duke Ditch Company","canonical_url":"https://getditchbook.com/companies/duke-ditch-company/","verified_at":"2026-08-20","source_refs":["ditchbook-match:4000646"]}],"dwr_associated_contacts":["DUKE DITCH INC. (HOTCHKISS, JOHN)"],"dwr_contacts_are_verified_owners":false,"last_verified_at":"2026-08-20","next_check":"Confirm the current operator or secretary from company, court, and county records."},"geometry":{"status":"official_point_only","point_source":"colorado_dwr_structure","point_accuracy":"GPS","reviewed_geometry_url":null,"last_reviewed_at":null,"proves_parcel_crossing":false},"related_records":[{"wdid":"4000805","name":"Matlock Ditch","canonical_url":"https://getditchbook.com/wdid/4000805/","relation":"same_named_water_source","distance_km":1.1},{"wdid":"4000795","name":"Desert Ditch","canonical_url":"https://getditchbook.com/wdid/4000795/","relation":"same_named_water_source","distance_km":2.5},{"wdid":"4000900","name":"Relief Ditch","canonical_url":"https://getditchbook.com/wdid/4000900/","relation":"same_named_water_source","distance_km":6.8},{"wdid":"4000891","name":"North Delta Canal","canonical_url":"https://getditchbook.com/wdid/4000891/","relation":"same_named_water_source","distance_km":7.1},{"wdid":"4006472","name":"Butte Ditch Cedar Run","canonical_url":"https://getditchbook.com/wdid/4006472/","relation":"same_named_water_source","distance_km":9.7},{"wdid":"4000863","name":"Bona Fide Ditch","canonical_url":"https://getditchbook.com/wdid/4000863/","relation":"same_named_water_source","distance_km":10.1}],"freshness":{"policy_version":"source-capture-v1","evaluated_at":"2026-08-13","state_at_evaluation":"recent","age_days_at_evaluation":2,"dwr":{"retrieved_at":"2026-08-11","structure_modified_at":"2023-11-13","next_refresh_due_at":"2026-09-25"},"company_association":{"status":"verified","last_verified_at":"2026-08-20"},"geometry":{"status":"official_point_only","last_reviewed_at":null},"notice":"Freshness describes source capture and review dates, not legal conclusiveness."},"sources":[{"source_id":"co-dwr-structure:4000646","evidence_lane":"dwr_state_record","publisher":"Colorado Division of Water Resources","dataset":"Structures","url":"https://dwr.state.co.us/Tools/Structures/4000646","retrieved_at":"2026-08-11","source_modified_at":"2023-11-13"},{"source_id":"co-dwr-net-amounts","evidence_lane":"dwr_state_record","publisher":"Colorado Division of Water Resources","dataset":"Water Rights Net Amounts","url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts","retrieved_at":"2026-08-11","source_modified_at":null},{"source_id":"ditchbook-match:4000646","evidence_lane":"ditchbook_verified","publisher":"DitchBook","dataset":"Published company-to-WDID crosswalk","url":"https://getditchbook.com/methods/matching/","retrieved_at":"2026-08-20","source_modified_at":"2026-08-20"}],"provenance":[{"path":"/identity","evidence_lane":"dwr_state_record","source_refs":["co-dwr-structure:4000646"],"assertion":"published_by_source"},{"path":"/location","evidence_lane":"dwr_state_record","source_refs":["co-dwr-structure:4000646"],"assertion":"published_by_source"},{"path":"/company_association/status","evidence_lane":"ditchbook_verified","source_refs":["ditchbook-match:4000646"],"assertion":"verified"},{"path":"/geometry/status","evidence_lane":"dwr_state_record","source_refs":["co-dwr-structure:4000646"],"assertion":"official_point_only"}]}