{"id":"37cba44e-efba-4f4b-916c-d8170a9f4702","created_at":"2025-08-27T12:33:13.831Z","updated_at":"2025-12-31T15:52:11.219Z","owner_id":"8ab592ec-e8e5-491b-8156-e205e8dd2cf3","location_id":"61f05e51-c613-4e09-8521-8df60f40467f","dataset_id":"f3c2580a-c808-4fc8-8437-03ca7389bb3f","form_id":"97496231-646d-46ac-842a-fb4a9a9fdd01","observed_at":"2024-09-02T14:05:00.000Z","observed_at_local":"2024-09-02T15:05:00+01:00","notes":"","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["phosphates","ammonia"],"photos":[],"permalink":"https://data.waterrangers.com/observations/83023","readings":[{"id":"bac44b9e-ee99-4975-b3a3-2a9a7c0a6555","created_at":"2025-08-27T12:33:13.850Z","updated_at":"2025-08-27T12:33:13.850Z","parameter":"phosphates","unit":"mg_l","value":"0.06","equipment":"hanna_checker_phosphates_low_range","equipment_limit":null},{"id":"25e8471e-f4ec-4a91-82b0-18f569b4bcfd","created_at":"2025-08-27T12:33:13.847Z","updated_at":"2025-11-19T15:20:47.406Z","parameter":"ammonia","unit":"mg_l","value":"0","equipment":"hanna_checker_ammonia_low_range","equipment_limit":"<="}]}