{"id":"84a2a124-496d-46e0-8661-b8bbc48cf0e7","created_at":"2025-09-04T14:32:59.284Z","updated_at":"2026-01-20T20:56:22.959Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"e4848ec7-946f-41c3-a0e3-f82ee6fa428a","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-09-19T04:00:00.000Z","observed_at_local":"2005-09-19T00:00:00-04:00","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/164619","readings":[{"id":"de318fab-a480-433c-936f-62312e82987a","created_at":"2025-09-04T14:32:59.413Z","updated_at":"2025-09-04T14:32:59.413Z","parameter":"total_phosphorus","unit":"ppb","value":"21","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"59f9464e-cdfe-42da-8112-a18016eea15b","created_at":"2025-09-04T14:32:59.427Z","updated_at":"2025-09-04T14:32:59.427Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}