{"id":"444f8c50-d991-47ce-8ba4-801f630e2b4d","created_at":"2025-09-04T14:35:10.821Z","updated_at":"2026-01-20T20:58:37.521Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"3672613b-54a6-4fdf-a15c-73c2a6dce5e9","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-12T16:00:00.000Z","observed_at_local":"2016-08-12T12:00:00-04:00","notes":"Calcium: 25.9, Sample: B16-23882-6","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/165347","readings":[{"id":"dc429d07-711c-45cf-9a0b-15d9839423bb","created_at":"2025-09-04T14:35:10.882Z","updated_at":"2025-09-04T14:35:10.882Z","parameter":"total_phosphorus","unit":"ppb","value":"10","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"a7311edb-58c6-4ad2-b258-44d213126b6a","created_at":"2025-09-04T14:35:10.890Z","updated_at":"2025-09-04T14:35:10.890Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"370","equipment":"lab_unspecified","equipment_limit":null}]}