{"id":"23ecd174-6ee0-49a9-8f40-8275baa234c7","created_at":"2025-08-29T18:25:52.721Z","updated_at":"2026-01-20T20:09:30.199Z","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":"2012-08-29T16:00:00.000Z","observed_at_local":"2012-08-29T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 19","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/113348","readings":[{"id":"e3e095ee-a86d-467e-b33e-ca063efa63cf","created_at":"2025-08-29T18:25:52.791Z","updated_at":"2025-08-29T18:25:52.791Z","parameter":"ph","unit":"std_units","value":"7.3","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"8c6e98c8-4f63-4948-bd02-100fbe1fc2fe","created_at":"2025-08-29T18:25:52.815Z","updated_at":"2025-08-29T18:25:52.815Z","parameter":"oxygen","unit":"mg_l","value":"8.04","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"92eae795-2d78-429c-b52b-d429e82a9314","created_at":"2025-08-29T18:25:52.838Z","updated_at":"2025-08-29T18:25:52.838Z","parameter":"secchi_depth","unit":"m","value":"3.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"4c67296b-9841-45bb-8c53-30a66c280d2c","created_at":"2025-08-29T18:25:52.859Z","updated_at":"2025-08-29T18:25:52.859Z","parameter":"total_phosphorus","unit":null,"value":"24.0","equipment":null,"equipment_limit":null},{"id":"338c7862-28cc-457d-afa3-cbcae7d5e2b1","created_at":"2025-08-29T18:25:52.872Z","updated_at":"2025-08-29T18:25:52.872Z","parameter":"water_temperature","unit":null,"value":"23.42","equipment":null,"equipment_limit":null}]}