{"id":"4d7df4c1-37b1-4ad8-a4cb-30b2ac42390a","created_at":"2025-08-29T18:26:07.467Z","updated_at":"2026-01-20T20:09:56.896Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"e796342f-cfde-47df-b30e-f41d0212bec7","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2005-05-18T16:00:00.000Z","observed_at_local":"2005-05-18T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 1.5; Total Phosphorus- bottm Kemmerer sample (ug/L) 0","checked":"review_needed","qa_notes":"Review needed: oxygen's result of 12.9mg/L exceeds the normal range of 12.0mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","water_temperature","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113495","readings":[{"id":"36960836-a834-4966-bb00-71d1809cefcd","created_at":"2025-08-29T18:26:07.506Z","updated_at":"2025-08-29T18:26:07.506Z","parameter":"ph","unit":"std_units","value":"7.6","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"14ef397d-5a96-4ae1-8a14-2e506a3449f4","created_at":"2025-08-29T18:26:07.512Z","updated_at":"2025-08-29T18:26:07.512Z","parameter":"oxygen","unit":"mg_l","value":"12.9","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"1a87cb22-b877-41a5-8727-b92fa296d00c","created_at":"2025-08-29T18:26:07.517Z","updated_at":"2025-08-29T18:26:07.517Z","parameter":"secchi_depth","unit":"m","value":"4.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"fcb0e2f1-4049-4a4e-8109-0b795f4ea28b","created_at":"2025-08-29T18:26:07.529Z","updated_at":"2025-08-29T18:26:07.529Z","parameter":"water_temperature","unit":"deg_c","value":"10.7","equipment":"ysi_meter_temperature","equipment_limit":null},{"id":"ef1de535-f5e2-455d-9a44-a395547573bb","created_at":"2025-08-29T18:26:07.522Z","updated_at":"2025-11-19T15:02:25.753Z","parameter":"total_phosphorus","unit":null,"value":"0.0","equipment":null,"equipment_limit":"<="}]}