{"id":"844aa7e7-efa4-4e8b-aca3-ea939c2d60d7","created_at":"2025-09-04T14:32:30.532Z","updated_at":"2026-01-20T20:55:50.691Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"3672613b-54a6-4fdf-a15c-73c2a6dce5e9","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-08-17T04:00:00.000Z","observed_at_local":"2015-08-17T00:00:00-04:00","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/164448","readings":[{"id":"4ea5be71-dd02-4b51-ba3c-32e5af5f36d9","created_at":"2025-09-04T14:32:30.582Z","updated_at":"2025-09-04T14:32:30.582Z","parameter":"total_phosphorus","unit":"ppb","value":"6","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"673747d3-25bd-4d33-a824-aa4cf0e6664c","created_at":"2025-09-04T14:32:30.596Z","updated_at":"2025-09-04T14:32:30.596Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"280","equipment":"lab_unspecified","equipment_limit":null}]}