{"id":"efcdf1de-9565-4f02-8239-e129d7cc4878","created_at":"2025-08-29T18:25:54.489Z","updated_at":"2026-01-20T20:09:32.665Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"0d989bdd-e853-4e3d-a6ca-94b99077e325","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2007-07-17T16:00:00.000Z","observed_at_local":"2007-07-17T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 23","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 5.4mg/L is outside the expected range of 6.54-11.43mg/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/113362","readings":[{"id":"ba4062aa-1f3e-42c4-babd-5b176cfe3d34","created_at":"2025-08-29T18:25:54.520Z","updated_at":"2025-08-29T18:25:54.520Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"66880bc0-165b-4ba6-aacd-dd14ffd1e312","created_at":"2025-08-29T18:25:54.533Z","updated_at":"2025-08-29T18:25:54.533Z","parameter":"oxygen","unit":"mg_l","value":"5.4","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"8b25783c-9ba2-4278-9b8d-d71e48bc1c0b","created_at":"2025-08-29T18:25:54.558Z","updated_at":"2025-08-29T18:25:54.558Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"60a0bb83-44c1-4355-856a-d9615479ae57","created_at":"2025-08-29T18:25:54.577Z","updated_at":"2025-08-29T18:25:54.577Z","parameter":"total_phosphorus","unit":null,"value":"23.0","equipment":null,"equipment_limit":null},{"id":"15b7450d-a88e-4bfa-b438-1284aeaa8452","created_at":"2025-08-29T18:25:54.589Z","updated_at":"2025-08-29T18:25:54.589Z","parameter":"water_temperature","unit":null,"value":"22.8","equipment":null,"equipment_limit":null}]}