{"id":"43451c03-e5ff-4a10-abd2-feefeaea4ae5","created_at":"2025-09-04T14:36:18.751Z","updated_at":"2026-01-20T20:59:40.744Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"89efe904-ffd5-441e-bff9-8c5fe5d199dd","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2001-09-26T04:00:00.000Z","observed_at_local":"2001-09-26T00:00:00-04:00","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/165699","readings":[{"id":"3894a2e9-4aab-4f32-8416-4273e6353005","created_at":"2025-09-04T14:36:18.797Z","updated_at":"2025-09-04T14:36:18.797Z","parameter":"total_phosphorus","unit":"ppb","value":"20","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"72a420f4-0113-4f51-9828-3f332931c430","created_at":"2025-09-04T14:36:18.815Z","updated_at":"2025-09-04T14:36:18.815Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"660","equipment":"lab_unspecified","equipment_limit":null}]}