{"id":"1cc96886-8c69-47cd-a4e1-4e90f9caa1c2","created_at":"2025-08-29T18:26:58.177Z","updated_at":"2026-01-20T20:12:44.444Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"d20b3fe7-4b93-4739-a9da-5ed22f36d30a","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2017-05-25T15:30:00.000Z","observed_at_local":"2017-05-25T11:30:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: Based on previous readings, ph's result of 5.6std_units is outside the expected range of 6.28-10.46std_units.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","calcium","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/114340","readings":[{"id":"c20cfe14-4fe9-49b3-8ea3-c871ddcbac58","created_at":"2025-08-29T18:26:58.212Z","updated_at":"2025-08-29T18:26:58.212Z","parameter":"ph","unit":"std_units","value":"5.6","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"87c8ab66-e213-4724-a3f4-6c782c68bec8","created_at":"2025-08-29T18:26:58.221Z","updated_at":"2025-08-29T18:26:58.221Z","parameter":"oxygen","unit":"mg_l","value":"10.4","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"cceac9cf-98b3-41d0-ab85-88c29dc63f59","created_at":"2025-08-29T18:26:58.226Z","updated_at":"2025-08-29T18:26:58.226Z","parameter":"calcium","unit":"mg_l","value":"80","equipment":"unspecified_calcium","equipment_limit":null},{"id":"005204d3-53fc-4241-98b3-cef97d1c7d28","created_at":"2025-08-29T18:26:58.232Z","updated_at":"2025-08-29T18:26:58.232Z","parameter":"secchi_depth","unit":"m","value":"3.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"12a5225d-1079-4364-8262-6321affc0a4b","created_at":"2025-08-29T18:26:58.238Z","updated_at":"2025-08-29T18:26:58.238Z","parameter":"oxygen","unit":"percent","value":"104.9","equipment":"other_do_multimeter_percent","equipment_limit":null},{"id":"b0510486-55b8-48b6-9ec0-e21a19d5614d","created_at":"2025-08-29T18:26:58.242Z","updated_at":"2025-08-29T18:26:58.242Z","parameter":"total_phosphorus","unit":null,"value":"12","equipment":null,"equipment_limit":null},{"id":"5674f441-77e5-4182-9222-cfbfaa543e79","created_at":"2025-08-29T18:26:58.248Z","updated_at":"2025-08-29T18:26:58.248Z","parameter":"water_temperature","unit":null,"value":"15.8","equipment":null,"equipment_limit":null}]}