{"id":"58b55b65-d3b4-48c1-8250-d7234792e3dd","created_at":"2025-08-29T18:26:18.765Z","updated_at":"2026-01-20T20:10:30.311Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"549d5569-d855-4f62-9e20-652605aa78e2","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2008-09-11T16:00:00.000Z","observed_at_local":"2008-09-11T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 101.9 Chlorophyll A (ug/L) 5; Total Phosphorus- bottm Kemmerer sample (ug/L) 18","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 11mg/L is outside the expected range of 6.22-10.58mg/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/113671","readings":[{"id":"cf8a493f-d6d8-40cb-aed8-e9614aa26bb5","created_at":"2025-08-29T18:26:18.813Z","updated_at":"2025-08-29T18:26:18.813Z","parameter":"ph","unit":"std_units","value":"8.2","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"902e96c5-e3f1-4792-807f-1edc801850b4","created_at":"2025-08-29T18:26:18.818Z","updated_at":"2025-08-29T18:26:18.818Z","parameter":"oxygen","unit":"mg_l","value":"11","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"9f1816eb-093f-47df-9ecb-eefedf78c048","created_at":"2025-08-29T18:26:18.822Z","updated_at":"2025-08-29T18:26:18.822Z","parameter":"secchi_depth","unit":"m","value":"6.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"b170f53a-3346-4280-bd45-d323b9de249d","created_at":"2025-08-29T18:26:18.827Z","updated_at":"2025-08-29T18:26:18.827Z","parameter":"total_phosphorus","unit":null,"value":"13.0","equipment":null,"equipment_limit":null},{"id":"8ca31107-8b3b-4cb5-aefa-d201bd3ca00c","created_at":"2025-08-29T18:26:18.831Z","updated_at":"2025-08-29T18:26:18.831Z","parameter":"water_temperature","unit":null,"value":"20.3","equipment":null,"equipment_limit":null}]}