{"id":"40be6723-d39a-453e-b0d4-058de752fe53","created_at":"2025-08-29T18:26:19.577Z","updated_at":"2026-01-20T20:10:32.992Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"f880b85e-8e0c-4071-a249-db6d9bdd62a2","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2002-08-21T16:00:00.000Z","observed_at_local":"2002-08-21T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 103 Chlorophyll A (ug/L) 1.8; Total Phosphorus- bottm Kemmerer sample (ug/L) 20","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113686","readings":[{"id":"4fb7a66f-2c5c-4603-b7f7-a8a81edd03af","created_at":"2025-08-29T18:26:19.616Z","updated_at":"2025-08-29T18:26:19.616Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"713f08a0-a8e0-4d1c-9842-07acaddb592c","created_at":"2025-08-29T18:26:19.619Z","updated_at":"2025-08-29T18:26:19.619Z","parameter":"secchi_depth","unit":"m","value":"4.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"24d181bd-d934-4c0a-b742-2538cbfc8662","created_at":"2025-08-29T18:26:19.624Z","updated_at":"2025-08-29T18:26:19.624Z","parameter":"total_phosphorus","unit":null,"value":"20.0","equipment":null,"equipment_limit":null}]}