{"id":"c4bdebd6-ce51-4ccf-8db1-4f23a9bc1031","created_at":"2025-09-04T14:44:08.545Z","updated_at":"2026-01-20T21:04:04.307Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"4bb1a0c1-d75f-46c5-9d11-3411c7ca2a76","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-05-09T04:00:00.000Z","observed_at_local":"2018-05-09T00:00:00-04:00","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/167126","readings":[{"id":"60e2fb6a-913b-466d-b6b0-69787505ec46","created_at":"2025-09-04T14:44:08.605Z","updated_at":"2025-09-04T14:44:08.605Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"12be3a7e-84ef-4ecc-b761-406233cb9120","created_at":"2025-09-04T14:44:08.616Z","updated_at":"2025-09-04T14:44:08.616Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.21","equipment":"lab_unspecified","equipment_limit":null}]}