{"id":"d0ad2148-aa00-497a-b311-7c698b40bcb6","created_at":"2025-09-04T14:31:23.324Z","updated_at":"2026-01-20T20:53:59.925Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"7404d7db-2581-42fb-893b-dd8202ef8a1b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2003-10-22T04:00:00.000Z","observed_at_local":"2003-10-22T00:00:00-04:00","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/163977","readings":[{"id":"f0ab2038-d985-43c1-9451-fb6bba15e230","created_at":"2025-09-04T14:31:23.386Z","updated_at":"2025-09-04T14:31:23.386Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"172bfee6-538e-4631-ab87-620d1e3f6cb6","created_at":"2025-09-04T14:31:23.424Z","updated_at":"2025-09-04T14:31:23.424Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}