{"id":"962ab290-5453-48fb-97c4-42262cad3737","created_at":"2025-08-29T18:26:29.409Z","updated_at":"2026-01-20T20:11:04.622Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"2e1ede0f-6256-43b1-acc2-a3bf9d7c1060","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2005-05-19T16:00:00.000Z","observed_at_local":"2005-05-19T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 75 Chlorophyll A (ug/L) 4; Total Phosphorus- bottm Kemmerer sample (ug/L) 24","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 12mg/L is outside the expected range of 6.84-10.4mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113859","readings":[{"id":"572631e3-14e0-441d-b6eb-0500edb415d2","created_at":"2025-08-29T18:26:29.432Z","updated_at":"2025-08-29T18:26:29.432Z","parameter":"ph","unit":"std_units","value":"7.0","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"212552eb-9ab4-4d32-aafa-0148150f8e71","created_at":"2025-08-29T18:26:29.437Z","updated_at":"2025-08-29T18:26:29.437Z","parameter":"oxygen","unit":"mg_l","value":"12","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"064f7aff-afb4-407c-9fa2-72c2ba02baf1","created_at":"2025-08-29T18:26:29.451Z","updated_at":"2025-08-29T18:26:29.451Z","parameter":"secchi_depth","unit":"m","value":"4.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"4ad36d1d-9ff1-4648-84a8-0b19495ac430","created_at":"2025-08-29T18:26:29.462Z","updated_at":"2025-11-19T15:02:28.847Z","parameter":"total_phosphorus","unit":null,"value":"0.0","equipment":null,"equipment_limit":"<="},{"id":"ac50bf6a-4b10-418a-b379-0a94bbb55939","created_at":"2025-08-29T18:26:29.467Z","updated_at":"2025-08-29T18:26:29.467Z","parameter":"water_temperature","unit":null,"value":"12.5","equipment":null,"equipment_limit":null}]}