{"id":"303dfff0-7c98-4eec-b14c-f4b380a1b60d","created_at":"2025-09-04T14:40:59.964Z","updated_at":"2026-01-20T21:02:55.459Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"04f08cee-5d0f-4ae2-bc86-53309ea1379d","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2018-05-18T04:00:00.000Z","observed_at_local":"2018-05-18T00:00:00-04:00","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/166703","readings":[{"id":"2b2e73b5-2d5b-4e31-89ae-013023b3167f","created_at":"2025-09-04T14:41:00.035Z","updated_at":"2025-09-04T14:41:00.035Z","parameter":"total_phosphorus","unit":"ppb","value":"0.01","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"40891c7b-1a4a-444f-82b7-c68b3349357d","created_at":"2025-09-04T14:41:00.125Z","updated_at":"2025-09-04T14:41:00.125Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"0.3","equipment":"lab_unspecified","equipment_limit":null}]}