{"id":"91b94492-9e62-4c28-9bd4-7db47a9a16f2","created_at":"2025-08-29T18:25:51.574Z","updated_at":"2026-01-20T20:09:28.136Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"00bfcf41-9cef-4177-8dac-4a97f824c508","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2006-06-05T16:00:00.000Z","observed_at_local":"2006-06-05T12:00:00-04:00","notes":"Total Phosphorus- bottm Kemmerer sample (ug/L) 7","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 11.6mg/L is outside the expected range of 7.77-10.43mg/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/113336","readings":[{"id":"969fe7d9-52c3-470e-a338-0805ebe54f4d","created_at":"2025-08-29T18:25:51.603Z","updated_at":"2025-08-29T18:25:51.603Z","parameter":"ph","unit":"std_units","value":"8.0","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"0ec17341-3b6b-4c8f-ae58-7809760d0811","created_at":"2025-08-29T18:25:51.628Z","updated_at":"2025-08-29T18:25:51.628Z","parameter":"oxygen","unit":"mg_l","value":"11.6","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"da3444bb-4110-4195-bf5e-0ea608b4946f","created_at":"2025-08-29T18:25:51.640Z","updated_at":"2025-08-29T18:25:51.640Z","parameter":"secchi_depth","unit":"m","value":"5.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"14e24229-3621-4496-84e3-ec0c9d559a68","created_at":"2025-08-29T18:25:51.656Z","updated_at":"2025-08-29T18:25:51.656Z","parameter":"water_temperature","unit":null,"value":"21.8","equipment":null,"equipment_limit":null},{"id":"c3ffd1c4-259e-4857-9487-5b128273e001","created_at":"2025-08-29T18:25:51.647Z","updated_at":"2025-11-19T15:02:25.753Z","parameter":"total_phosphorus","unit":null,"value":"0.0","equipment":null,"equipment_limit":"<="}]}