{"id":"2aaee379-1855-4692-a541-3e88d75fd3fc","created_at":"2025-08-22T13:24:48.923Z","updated_at":"2025-12-31T15:11:26.844Z","owner_id":"34cb28c9-7acf-4bca-8584-7e25f5247624","location_id":"47cfeced-6de8-422f-8c9f-af17cb0df887","dataset_id":"3dace7aa-130a-49cf-9966-e24114d160d4","form_id":"6a6c2644-5295-45b4-a8e3-f99063b91aee","observed_at":"2023-10-01T10:15:00.000Z","observed_at_local":"2023-10-01T11:15:00+01:00","notes":"Phosphate Meter flashing","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ammonia","phosphates"],"photos":[],"permalink":"https://data.waterrangers.com/observations/75630","readings":[{"id":"5e52d22b-c0ca-4f46-9a7e-88f02b697e5b","created_at":"2025-08-22T13:24:48.997Z","updated_at":"2025-11-19T15:20:43.831Z","parameter":"ammonia","unit":"mg_l","value":"0","equipment":"hanna_checker_ammonia_low_range","equipment_limit":"<="},{"id":"1e8082b3-3ce1-4940-b550-b8ac4d66a836","created_at":"2025-08-22T13:24:49.013Z","updated_at":"2025-11-19T15:20:43.831Z","parameter":"phosphates","unit":"mg_l","value":"2.5","equipment":"hanna_checker_phosphates_low_range","equipment_limit":">="}]}