{"id":"b020f50f-bf67-44b8-9fbb-676bd9c286b0","created_at":"2025-09-04T14:35:49.702Z","updated_at":"2026-01-20T20:59:07.151Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"4da46fba-17f2-4ad5-b6b3-31e9c22798ef","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2001-08-07T04:00:00.000Z","observed_at_local":"2001-08-07T00:00:00-04:00","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/165516","readings":[{"id":"e9e89871-f480-498e-b5b9-d6ccd9bc904e","created_at":"2025-09-04T14:35:49.794Z","updated_at":"2025-09-04T14:35:49.794Z","parameter":"total_phosphorus","unit":"ppb","value":"21","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"4964bf39-fbc0-4e17-8653-922706075655","created_at":"2025-09-04T14:35:49.802Z","updated_at":"2025-09-04T14:35:49.802Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"640","equipment":"lab_unspecified","equipment_limit":null}]}