{"id":"7353f630-6cc3-4270-b6db-c93a7c1c39ab","created_at":"2025-08-29T18:26:09.266Z","updated_at":"2026-01-20T20:10:02.015Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"64002cd4-2d5a-425c-b8ba-eb4c200cf01b","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2008-09-10T16:00:00.000Z","observed_at_local":"2008-09-10T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 19; Total Phosphorus- bottm Kemmerer sample (ug/L) 18","checked":"qc_complete","qa_notes":null,"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/113521","readings":[{"id":"e9461665-1045-4442-bdff-404ee71e31eb","created_at":"2025-08-29T18:26:09.304Z","updated_at":"2025-08-29T18:26:09.304Z","parameter":"ph","unit":"std_units","value":"8.8","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"4e169086-a013-4680-b88d-b39467c327f6","created_at":"2025-08-29T18:26:09.321Z","updated_at":"2025-08-29T18:26:09.321Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"0fdbc4e2-0c2d-42dd-be3b-298d11adda0c","created_at":"2025-08-29T18:26:09.330Z","updated_at":"2025-08-29T18:26:09.330Z","parameter":"secchi_depth","unit":"m","value":"7.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"526775ab-628e-4b00-bc03-f4d7bbbe619a","created_at":"2025-08-29T18:26:09.335Z","updated_at":"2025-08-29T18:26:09.335Z","parameter":"total_phosphorus","unit":null,"value":"15.0","equipment":null,"equipment_limit":null},{"id":"2e928e5a-b574-4aa1-adba-1299be75f773","created_at":"2025-08-29T18:26:09.348Z","updated_at":"2025-08-29T18:26:09.348Z","parameter":"water_temperature","unit":null,"value":"21","equipment":null,"equipment_limit":null}]}