{"id":"c8e5e520-8c79-4dc1-91a6-c7e10e6dc921","created_at":"2025-08-29T18:26:04.751Z","updated_at":"2026-01-20T20:09:48.909Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"dac0d84c-f396-4df3-b484-f7120b3dfd20","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2010-05-23T16:00:00.000Z","observed_at_local":"2010-05-23T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 0.8; Total Phosphorus- bottm Kemmerer sample (ug/L) 0","checked":"qc_complete","qa_notes":null,"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/113451","readings":[{"id":"3718ca8c-17ec-4bea-a464-58cfa7c8bc8b","created_at":"2025-08-29T18:26:04.774Z","updated_at":"2025-08-29T18:26:04.774Z","parameter":"ph","unit":"std_units","value":"8.3","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"1b142d33-917e-4294-9590-7c978b777c23","created_at":"2025-08-29T18:26:04.779Z","updated_at":"2025-08-29T18:26:04.779Z","parameter":"oxygen","unit":"mg_l","value":"9.78","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"5e619847-d4f1-4476-81b4-0d1e4fc49dd5","created_at":"2025-08-29T18:26:04.787Z","updated_at":"2025-08-29T18:26:04.787Z","parameter":"secchi_depth","unit":"m","value":"4.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"f1770a2c-2230-4e36-8485-1bf73c0e734e","created_at":"2025-08-29T18:26:04.797Z","updated_at":"2025-08-29T18:26:04.797Z","parameter":"total_phosphorus","unit":null,"value":"3.0","equipment":null,"equipment_limit":null},{"id":"4d8abc49-3b25-4f79-8068-3eb5b172e9c9","created_at":"2025-08-29T18:26:04.801Z","updated_at":"2025-08-29T18:26:04.801Z","parameter":"water_temperature","unit":null,"value":"19.6","equipment":null,"equipment_limit":null}]}