{"id":"ef1c8107-5bb9-4b1b-ae27-6867c05d0824","created_at":"2025-09-04T14:24:52.892Z","updated_at":"2026-01-20T20:42:46.292Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"2315a03f-b799-41e4-a6a7-b7135a04a732","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-10-29T04:00:00.000Z","observed_at_local":"2015-10-29T00:00:00-04:00","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/161018","readings":[{"id":"0deb8042-108e-43b4-ab49-85609ccb61ad","created_at":"2025-09-04T14:24:52.960Z","updated_at":"2025-09-04T14:24:52.960Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"3b1564a8-6ddb-4365-a6c3-7cd337258333","created_at":"2025-09-04T14:24:52.980Z","updated_at":"2025-09-04T14:24:52.980Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"500","equipment":"lab_unspecified","equipment_limit":null}]}