{"id":"51606104-fc49-449c-a7ec-51ded00a89df","created_at":"2025-08-29T18:26:12.266Z","updated_at":"2026-01-20T20:10:10.872Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"32bdbb02-5dd2-40c0-80aa-014f9b15ecf9","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-05-15T16:00:00.000Z","observed_at_local":"2002-05-15T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 3.2; Total Phosphorus- bottm Kemmerer sample (ug/L) 10","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 11.9mg/L is outside the expected range of 7.57-9.71mg/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/113568","readings":[{"id":"b2cfe026-5b39-4969-ba9d-c57647ca7482","created_at":"2025-08-29T18:26:12.291Z","updated_at":"2025-08-29T18:26:12.291Z","parameter":"ph","unit":"std_units","value":"8.2","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"2cdf1b1c-1f94-4581-9994-c931b93aefc1","created_at":"2025-08-29T18:26:12.297Z","updated_at":"2025-08-29T18:26:12.297Z","parameter":"oxygen","unit":"mg_l","value":"11.9","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"3e06edd9-0d52-4e48-89a2-619a9c80b281","created_at":"2025-08-29T18:26:12.303Z","updated_at":"2025-08-29T18:26:12.303Z","parameter":"secchi_depth","unit":"m","value":"5.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"10ee80c3-6e52-4c84-8fae-2d55a0aeaa3c","created_at":"2025-08-29T18:26:12.309Z","updated_at":"2025-08-29T18:26:12.309Z","parameter":"total_phosphorus","unit":null,"value":"34.0","equipment":null,"equipment_limit":null},{"id":"525cc5e4-67fd-4082-84f0-e1e80fb59b02","created_at":"2025-08-29T18:26:12.314Z","updated_at":"2025-08-29T18:26:12.314Z","parameter":"water_temperature","unit":null,"value":"10.6","equipment":null,"equipment_limit":null}]}