{"schema_version":"1.0","record_id":"co-dwr-wdid:4100534","record_type":"colorado_dwr_structure","wdid":"4100534","canonical_url":"https://getditchbook.com/wdid/4100534/","identity":{"official_name":"IRONSTONE CANAL","display_name":"Ironstone Canal","aliases":["IRNSTNCO","IRONSTONE DITCH","UVTFGLCO","UVTFLLCO","UVTFNLCO","UVTFQLCO","UVTFVLCO"],"structure_type":"DITCH"},"administration":{"division":4,"water_district":41,"current_in_use_code":"A","current_in_use_label":"Active structure with contemporary diversion records"},"location":{"county":"Montrose","water_source":"Uncompahgre River","stream_mile":19.26,"legal_location":"Q40 NW · Q160 SE · Section 27 · Township 50.0 N · Range 10.0 W · New Mexico Principal Meridian","point":{"type":"Point","coordinates":[-107.97323,38.566238]},"point_accuracy":"GPS"},"state_record":{"modified_at":"2005-09-15","associated_case_references":["CA0149","CA4573","CA6917","CA6929","CA6962","CA8038"],"dwr_associated_contacts":["UNCOMPAHGRE VALLEY WATER USERS ASSOC"],"period_of_record_start":"1950-10-31","period_of_record_end":"2025-10-31","source_url":"https://dwr.state.co.us/Tools/Structures/4100534"},"water_rights":{"row_count":7,"rows":[{"record_number":1593628,"appropriation_date":"1882-01-05","adjudication_date":"1890-06-30","prior_adjudication_date":"0001-01-01","amounts":{"absolute":4.897,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"5","administration_number":11693,"order_number":0,"decreed_use_code":"189","associated_case_references":["CA8038","CA6929","CA6917"],"source_modified_at":"2019-12-09","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1593628"},{"record_number":1593629,"appropriation_date":"1882-10-01","adjudication_date":"1890-06-30","prior_adjudication_date":"0001-01-01","amounts":{"absolute":2.5,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"21","administration_number":11962,"order_number":0,"decreed_use_code":"1","associated_case_references":["CA6962"],"source_modified_at":"2019-12-09","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1593629"},{"record_number":1593630,"appropriation_date":"1882-11-07","adjudication_date":"1890-06-30","prior_adjudication_date":"0001-01-01","amounts":{"absolute":37.5,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"20, 25","administration_number":11999,"order_number":0,"decreed_use_code":"1","associated_case_references":["CA4573","CA0149"],"source_modified_at":"2019-12-09","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1593630"},{"record_number":1593631,"appropriation_date":"1882-11-21","adjudication_date":"1890-06-30","prior_adjudication_date":"0001-01-01","amounts":{"absolute":1.83,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"26","administration_number":12013,"order_number":0,"decreed_use_code":"1","associated_case_references":["CA6962"],"source_modified_at":"2019-12-09","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1593631"},{"record_number":1593632,"appropriation_date":"1884-08-24","adjudication_date":"1890-06-30","prior_adjudication_date":"0001-01-01","amounts":{"absolute":21,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"53","administration_number":12655,"order_number":0,"decreed_use_code":"189","associated_case_references":["CA8038","CA6917"],"source_modified_at":"2019-12-09","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1593632"},{"record_number":1593633,"appropriation_date":"1886-03-31","adjudication_date":"1890-06-30","prior_adjudication_date":"0001-01-01","amounts":{"absolute":76,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"47, 72","administration_number":13239,"order_number":0,"decreed_use_code":"189","associated_case_references":["CA8038","CA4573","CA0149"],"source_modified_at":"2019-12-09","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1593633"},{"record_number":1593634,"appropriation_date":"1888-11-14","adjudication_date":"1890-06-30","prior_adjudication_date":"0001-01-01","amounts":{"absolute":59,"conditional":0,"apex_absolute":0,"apex_conditional":0,"unit_code":"C"},"priority_number":"112, 69, 99","administration_number":14198,"order_number":0,"decreed_use_code":"189","associated_case_references":["CA8038","CA6917","CA4573","CA0149"],"source_modified_at":"2019-12-09","source_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts/1593634"}],"live_search_url":"https://dwr.state.co.us/Tools/WaterRights/NetAmounts"},"company_association":{"status":"verified","verified_companies":[{"entity_id":"19871036810","name":"Uncompahgre Valley Water Users Association","canonical_url":"https://getditchbook.com/companies/uncompahgre-valley-water-users-association/","verified_at":"2026-08-17","source_refs":["ditchbook-match:4100534"]}],"dwr_associated_contacts":["UNCOMPAHGRE VALLEY WATER USERS ASSOC"],"dwr_contacts_are_verified_owners":false,"last_verified_at":"2026-08-17","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":"4100558","name":"Satisfaction Ditch","canonical_url":"https://getditchbook.com/wdid/4100558/","relation":"same_named_water_source","distance_km":0},{"wdid":"4100520","name":"East Canal","canonical_url":"https://getditchbook.com/wdid/4100520/","relation":"same_named_water_source","distance_km":2.7},{"wdid":"4100604","name":"Colorow Ditch","canonical_url":"https://getditchbook.com/wdid/4100604/","relation":"same_named_water_source","distance_km":2.7},{"wdid":"4100655","name":"Homestake Ditch","canonical_url":"https://getditchbook.com/wdid/4100655/","relation":"same_named_water_source","distance_km":4.1},{"wdid":"4100635","name":"Foster Ditch","canonical_url":"https://getditchbook.com/wdid/4100635/","relation":"same_named_water_source","distance_km":4.7},{"wdid":"4101680","name":"Sunrise Ditch","canonical_url":"https://getditchbook.com/wdid/4101680/","relation":"same_named_water_source","distance_km":7.9}],"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":"2005-09-15","next_refresh_due_at":"2026-09-25"},"company_association":{"status":"verified","last_verified_at":"2026-08-17"},"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:4100534","evidence_lane":"dwr_state_record","publisher":"Colorado Division of Water Resources","dataset":"Structures","url":"https://dwr.state.co.us/Tools/Structures/4100534","retrieved_at":"2026-08-11","source_modified_at":"2005-09-15"},{"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:4100534","evidence_lane":"ditchbook_verified","publisher":"DitchBook","dataset":"Published company-to-WDID crosswalk","url":"https://getditchbook.com/methods/matching/","retrieved_at":"2026-08-17","source_modified_at":"2026-08-17"}],"provenance":[{"path":"/identity","evidence_lane":"dwr_state_record","source_refs":["co-dwr-structure:4100534"],"assertion":"published_by_source"},{"path":"/location","evidence_lane":"dwr_state_record","source_refs":["co-dwr-structure:4100534"],"assertion":"published_by_source"},{"path":"/company_association/status","evidence_lane":"ditchbook_verified","source_refs":["ditchbook-match:4100534"],"assertion":"verified"},{"path":"/geometry/status","evidence_lane":"dwr_state_record","source_refs":["co-dwr-structure:4100534"],"assertion":"official_point_only"}]}