{"id":"f099dc92-ec5a-4837-83ec-8823dedf34d5","created_at":"2025-09-04T14:27:33.772Z","updated_at":"2026-01-20T20:47:51.596Z","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":"2014-08-08T04:00:00.000Z","observed_at_local":"2014-08-08T00:00:00-04:00","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/162393","readings":[{"id":"8ef66ddf-e632-4a07-a8d7-313cb99de1bd","created_at":"2025-09-04T14:27:33.813Z","updated_at":"2025-09-04T14:27:33.813Z","parameter":"total_phosphorus","unit":"ppb","value":"17","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"3df667b0-5d4d-4d53-95ad-3e41202e7284","created_at":"2025-09-04T14:27:33.842Z","updated_at":"2025-09-04T14:27:33.842Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"470","equipment":"lab_unspecified","equipment_limit":null}]}