{"id":"0a7d2c37-aaf0-4181-a6be-2bac082f42a9","created_at":"2025-08-29T18:26:28.128Z","updated_at":"2026-01-20T20:11:00.783Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"043ef310-5fdb-4a94-a3ed-fd2730d0f818","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2007-09-17T16:00:00.000Z","observed_at_local":"2007-09-17T12:00:00-04:00","notes":"Dissolved Oxygen Percent Saturation: 135 Chlorophyll A (ug/L) 4; Total Phosphorus- bottm Kemmerer sample (ug/L) 87","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","water_temperature","total_phosphorus"],"photos":[],"permalink":"https://data.waterrangers.com/observations/113837","readings":[{"id":"6aa8eede-8916-4ba5-bb2f-5786e54fa4a7","created_at":"2025-08-29T18:26:28.156Z","updated_at":"2025-08-29T18:26:28.156Z","parameter":"ph","unit":"std_units","value":"8.7","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"bb8cb76b-c98b-4760-a1b4-486ff84146fb","created_at":"2025-08-29T18:26:28.160Z","updated_at":"2025-08-29T18:26:28.160Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"ysi_multimeter_do_mgl","equipment_limit":null},{"id":"7f1c4e99-eb53-4dbb-aa35-80c609740f03","created_at":"2025-08-29T18:26:28.164Z","updated_at":"2025-08-29T18:26:28.164Z","parameter":"secchi_depth","unit":"m","value":"7.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"370e61ad-09fe-43ef-9290-61cfca30d237","created_at":"2025-08-29T18:26:28.170Z","updated_at":"2025-08-29T18:26:28.170Z","parameter":"water_temperature","unit":null,"value":"18.3","equipment":null,"equipment_limit":null},{"id":"b82c0a02-d896-43d1-9242-496241a424a8","created_at":"2025-08-29T18:26:28.167Z","updated_at":"2025-11-19T15:02:28.847Z","parameter":"total_phosphorus","unit":null,"value":"0.0","equipment":null,"equipment_limit":"<="}]}