{"id":"147ef86e-f5dd-483c-97ac-d5585dd3b299","created_at":"2025-08-29T18:26:07.636Z","updated_at":"2026-01-20T20:09:57.219Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"e173da18-cdbc-41b1-a23e-23646d489e78","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"1999-08-30T16:00:00.000Z","observed_at_local":"1999-08-30T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 1.5; Total Phosphorus- bottm Kemmerer sample (ug/L) 14","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113497","readings":[{"id":"7572db14-1484-4d5d-a289-ec915290ca3e","created_at":"2025-08-29T18:26:07.696Z","updated_at":"2025-08-29T18:26:07.696Z","parameter":"oxygen","unit":"mg_l","value":"6.8","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"b6b3e5f4-9706-45c6-ab70-ea72f69b3b30","created_at":"2025-08-29T18:26:07.709Z","updated_at":"2025-08-29T18:26:07.709Z","parameter":"secchi_depth","unit":"m","value":"7.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"9d265827-c10a-4e03-b8b3-3dbf3ae0860e","created_at":"2025-08-29T18:26:07.724Z","updated_at":"2025-08-29T18:26:07.724Z","parameter":"total_phosphorus","unit":null,"value":"5.0","equipment":null,"equipment_limit":null},{"id":"c83927f2-60cc-43b8-a594-54d127953264","created_at":"2025-08-29T18:26:07.733Z","updated_at":"2025-08-29T18:26:07.733Z","parameter":"water_temperature","unit":null,"value":"21.1","equipment":null,"equipment_limit":null}]}