{"id":"f9b665ab-0cd8-4bb6-ad86-6aa766acfc90","created_at":"2025-09-04T14:32:10.854Z","updated_at":"2026-01-20T20:55:20.840Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"1a174da9-0379-4cb8-8787-42ecc76ba5b9","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2001-07-03T04:00:00.000Z","observed_at_local":"2001-07-03T00:00:00-04:00","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/164318","readings":[{"id":"ebcc2af1-9112-4226-bacc-713485e932f6","created_at":"2025-09-04T14:32:10.907Z","updated_at":"2025-09-04T14:32:10.907Z","parameter":"total_phosphorus","unit":"ppb","value":"16","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"93614936-1a9a-470e-aa3d-a76910526c1e","created_at":"2025-09-04T14:32:10.912Z","updated_at":"2025-09-04T14:32:10.912Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"510","equipment":"lab_unspecified","equipment_limit":null}]}