{"id":"5fac4e1a-94cf-4408-9a40-e24a734a9ea5","created_at":"2025-09-04T14:23:41.686Z","updated_at":"2026-01-20T20:38:36.288Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"6c7f8df6-3ce4-47b9-83cf-6b3ff24aec69","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2015-08-25T04:00:00.000Z","observed_at_local":"2015-08-25T00:00:00-04:00","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/160438","readings":[{"id":"a8c64bec-af05-45fd-83cd-7a8f654e6acc","created_at":"2025-09-04T14:23:41.756Z","updated_at":"2025-09-04T14:23:41.756Z","parameter":"total_phosphorus","unit":"ppb","value":"4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2c07307a-4dd2-467e-a047-967d84694373","created_at":"2025-09-04T14:23:41.773Z","updated_at":"2025-09-04T14:23:41.773Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"410","equipment":"lab_unspecified","equipment_limit":null}]}