{"id":"e8f00762-0bbf-45ba-9714-075029fc60ab","created_at":"2025-09-04T14:41:02.551Z","updated_at":"2026-01-20T21:02:57.290Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"04f08cee-5d0f-4ae2-bc86-53309ea1379d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-10-16T04:00:00.000Z","observed_at_local":"2018-10-16T00:00:00-04:00","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/166715","readings":[{"id":"006a2617-2c1a-433e-a065-48654213775d","created_at":"2025-09-04T14:41:02.643Z","updated_at":"2025-09-04T14:41:02.643Z","parameter":"total_phosphorus","unit":"ppb","value":"0.41","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"09329355-bb00-43f4-b362-ff9e81f55454","created_at":"2025-09-04T14:41:02.659Z","updated_at":"2025-09-04T14:41:02.659Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.02","equipment":"lab_unspecified","equipment_limit":null}]}