{"id":"71904c02-d3be-4fae-b1da-6de5bb95d479","created_at":"2025-09-04T14:24:17.399Z","updated_at":"2026-01-20T20:39:37.399Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"38c7cf82-f942-4b6f-897c-376954da4af9","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2004-06-21T04:00:00.000Z","observed_at_local":"2004-06-21T00:00:00-04:00","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/160746","readings":[{"id":"25f0701e-0c6d-4fe4-8447-b4fb45085b0a","created_at":"2025-09-04T14:24:17.461Z","updated_at":"2025-09-04T14:24:17.461Z","parameter":"total_phosphorus","unit":"ppb","value":"14","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"e6c27b2c-e97e-4ebf-be92-b7f807c42d5f","created_at":"2025-09-04T14:24:17.473Z","updated_at":"2025-09-04T14:24:17.473Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"530","equipment":"lab_unspecified","equipment_limit":null}]}