{"id":"54f66346-0e9f-4b71-8f2d-1c3a15a60420","created_at":"2025-08-29T18:26:19.269Z","updated_at":"2026-01-20T20:10:31.662Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"2bbe8ded-965e-4f9e-8aa5-53e402a1ca07","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2009-06-19T16:00:00.000Z","observed_at_local":"2009-06-19T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 102.2 Chlorophyll A (ug/L) 9.3; Total Phosphorus- bottm Kemmerer sample (ug/L) 24","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 8mg/L is outside the expected range of 8.03-12.21mg/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/113679","readings":[{"id":"7985f537-89ba-4c08-bfb8-36d6ffd57aeb","created_at":"2025-08-29T18:26:19.303Z","updated_at":"2025-08-29T18:26:19.303Z","parameter":"ph","unit":"std_units","value":"8.2","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"9c37ca14-606c-4153-a78c-49d096cf1399","created_at":"2025-08-29T18:26:19.308Z","updated_at":"2025-08-29T18:26:19.308Z","parameter":"oxygen","unit":"mg_l","value":"8","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"dda213d6-b98d-49e4-b1b9-2f9dc0c5f77d","created_at":"2025-08-29T18:26:19.313Z","updated_at":"2025-08-29T18:26:19.313Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"4d415e3f-4be0-4f0b-b1e7-7add7671e472","created_at":"2025-08-29T18:26:19.321Z","updated_at":"2025-08-29T18:26:19.321Z","parameter":"total_phosphorus","unit":null,"value":"32.0","equipment":null,"equipment_limit":null},{"id":"f57f2728-3440-43d6-a29c-864631888f04","created_at":"2025-08-29T18:26:19.325Z","updated_at":"2025-08-29T18:26:19.325Z","parameter":"water_temperature","unit":null,"value":"21.9","equipment":null,"equipment_limit":null}]}