{"id":"34dc04d4-2024-469d-8286-24621dee7b9a","created_at":"2025-09-04T14:43:19.835Z","updated_at":"2026-01-20T21:03:54.859Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"e2f8c0d8-a286-4b1e-b47e-3a1966c570a5","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-05-08T04:00:00.000Z","observed_at_local":"2018-05-08T00:00:00-04:00","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/167067","readings":[{"id":"a44fd347-73aa-4e69-8931-8b722cee17ad","created_at":"2025-09-04T14:43:20.022Z","updated_at":"2025-09-04T14:43:20.022Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"c2e84e5b-80ac-4a1d-9f98-a3ccfa008b5f","created_at":"2025-09-04T14:43:20.038Z","updated_at":"2025-09-04T14:43:20.038Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.24","equipment":"lab_unspecified","equipment_limit":null}]}