{"id":"8345cb5f-f664-4f3d-8d4b-729ea81ae520","created_at":"2025-09-04T14:28:22.804Z","updated_at":"2026-01-20T20:49:16.066Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"a4274707-5581-4350-90ca-6ee087198b57","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2012-06-06T04:00:00.000Z","observed_at_local":"2012-06-06T00:00:00-04:00","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/162754","readings":[{"id":"e77182c9-4841-4daf-a0ba-8dfe541d620c","created_at":"2025-09-04T14:28:22.926Z","updated_at":"2025-09-04T14:28:22.926Z","parameter":"total_phosphorus","unit":"ppb","value":"21","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"4ce408d5-f53d-4eb7-802c-9a281a86f435","created_at":"2025-09-04T14:28:22.944Z","updated_at":"2025-09-04T14:28:22.944Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"520","equipment":"lab_unspecified","equipment_limit":null}]}