{"id":"875b18e7-f2a8-429c-a3d3-7b34818db983","created_at":"2025-08-29T18:26:47.183Z","updated_at":"2026-01-20T20:12:07.735Z","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":"1999-07-30T16:00:00.000Z","observed_at_local":"1999-07-30T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 99 Chlorophyll A (ug/L) 2.8; Total Phosphorus- bottm Kemmerer sample (ug/L) 16","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/114188","readings":[{"id":"20a24bfe-ac28-4239-b9c5-972c03986d0e","created_at":"2025-08-29T18:26:47.213Z","updated_at":"2025-08-29T18:26:47.213Z","parameter":"ph","unit":"std_units","value":"8.5","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"4c4b8c28-84b4-4f78-82b5-a13756d81333","created_at":"2025-08-29T18:26:47.221Z","updated_at":"2025-08-29T18:26:47.221Z","parameter":"secchi_depth","unit":"m","value":"7.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"da0eadf2-5fad-47cb-a026-10ed2aa32ca6","created_at":"2025-08-29T18:26:47.226Z","updated_at":"2025-08-29T18:26:47.226Z","parameter":"total_phosphorus","unit":null,"value":"13.0","equipment":null,"equipment_limit":null}]}