{"id":"4d6c4d21-f55e-4e5f-bdd2-e2544646bb1d","created_at":"2025-09-04T14:34:57.091Z","updated_at":"2026-01-20T20:58:24.872Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"0da9270e-33ab-4498-ab8d-9d80aa1ceed6","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2016-10-14T16:00:00.000Z","observed_at_local":"2016-10-14T12:00:00-04:00","notes":"Sample: B16-31978-54","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/165275","readings":[{"id":"8b1e9a1a-e0ae-477a-9bb4-96c525c8252e","created_at":"2025-09-04T14:34:57.140Z","updated_at":"2025-09-04T14:34:57.140Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"09439f1b-50a8-47a7-aa1a-7ec48aad2f9a","created_at":"2025-09-04T14:34:57.155Z","updated_at":"2025-09-04T14:34:57.155Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"300","equipment":"lab_unspecified","equipment_limit":null}]}