{"id":"197194c9-885a-4cfd-a812-16cf8f183b2c","created_at":"2025-08-29T18:26:03.528Z","updated_at":"2026-01-20T20:09:45.512Z","owner_id":"76057c9e-9983-4d29-a29a-89f510e840a7","location_id":"439d30aa-53b0-490c-a097-9f60672e37ac","dataset_id":"bb079255-ab45-4558-90c0-b3e2c12eb313","form_id":"8738c0d2-194e-4f39-852b-71a37c4d0c9b","observed_at":"2013-09-04T16:00:00.000Z","observed_at_local":"2013-09-04T12:00:00-04:00","notes":"Chlorophyll A (ug/L) 0.5; Total Phosphorus- bottm Kemmerer sample (ug/L) 10","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/113434","readings":[{"id":"de2f12d6-4b0e-4831-86e9-069eb220b17d","created_at":"2025-08-29T18:26:03.587Z","updated_at":"2025-08-29T18:26:03.587Z","parameter":"ph","unit":"std_units","value":"6.5","equipment":"ysi_multimeter_ph","equipment_limit":null},{"id":"8704516b-8bc6-4b2a-a238-d5174f2f0d0c","created_at":"2025-08-29T18:26:03.592Z","updated_at":"2025-08-29T18:26:03.592Z","parameter":"secchi_depth","unit":"m","value":"7.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"30e53101-98e1-41ac-a7fd-3abf62291e04","created_at":"2025-08-29T18:26:03.601Z","updated_at":"2025-08-29T18:26:03.601Z","parameter":"total_phosphorus","unit":null,"value":"8.0","equipment":null,"equipment_limit":null}]}