{"id":"aa111008-1f20-4b60-b949-f8bf0823513b","created_at":"2025-09-04T14:22:28.915Z","updated_at":"2026-01-20T20:36:39.530Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"58eddded-f7f4-417c-bc2a-351f611ea00c","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2005-08-15T04:00:00.000Z","observed_at_local":"2005-08-15T00:00:00-04:00","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/159807","readings":[{"id":"5df1f356-c9bb-483e-b015-0217a2b16981","created_at":"2025-09-04T14:22:28.971Z","updated_at":"2025-09-04T14:22:28.971Z","parameter":"total_phosphorus","unit":"ppb","value":"11","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"644f9455-ebb9-44a0-9641-e697b4319c13","created_at":"2025-09-04T14:22:28.976Z","updated_at":"2025-09-04T14:22:28.976Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"440","equipment":"lab_unspecified","equipment_limit":null}]}