{"id":"e157d3c3-eac9-4e96-a40d-2d9e66658ec3","created_at":"2025-09-04T14:44:05.313Z","updated_at":"2026-01-20T21:04:02.483Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"67ea6bee-ecb4-441d-88b2-a43a256b3906","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-10-25T04:00:00.000Z","observed_at_local":"2018-10-25T00:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["total_phosphorus","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/167115","readings":[{"id":"4d160bba-844e-4da8-ac7b-041a23737fdc","created_at":"2025-09-04T14:44:05.381Z","updated_at":"2025-09-04T14:44:05.381Z","parameter":"total_phosphorus","unit":"ppb","value":"0.02","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"9b7743b4-c760-4236-ac9b-7eb9a19e9b0a","created_at":"2025-09-04T14:44:05.388Z","updated_at":"2025-09-04T14:44:05.388Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.34","equipment":"lab_unspecified","equipment_limit":null}]}