{"id":"16ffdd32-0be6-42d8-83ae-61714c920472","created_at":"2025-09-04T14:35:09.143Z","updated_at":"2026-01-20T20:58:35.649Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"eaf1d8b7-fec8-437b-8c04-d52a76eafe6f","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-08-03T16:00:00.000Z","observed_at_local":"2016-08-03T12:00:00-04:00","notes":"Calcium: 20.7, Sample: B16-22971-25","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/165336","readings":[{"id":"d4974953-d17d-465e-a240-f4fbdaa995e3","created_at":"2025-09-04T14:35:09.228Z","updated_at":"2025-09-04T14:35:09.228Z","parameter":"total_phosphorus","unit":"ppb","value":"15","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"b6c412e3-4074-4c02-999a-f2dddfb9e806","created_at":"2025-09-04T14:35:09.238Z","updated_at":"2025-09-04T14:35:09.238Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"580","equipment":"lab_unspecified","equipment_limit":null}]}