{"id":"9663b1e3-405a-4d6c-a1d5-449510a3560d","created_at":"2025-09-04T19:19:46.952Z","updated_at":"2026-01-20T21:22:54.435Z","owner_id":"4523b067-1f47-40f7-9327-cfbdb8b12c8f","location_id":"cfa3c1d8-1b41-4cf2-a394-1879b32c1ce7","dataset_id":"7e457e96-fa9f-4fdc-ac15-8a24f50f93e0","form_id":"25b5c89f-ed8d-461a-a5e7-70b9af2d5ceb","observed_at":"2016-05-17T15:09:00.000Z","observed_at_local":"2016-05-17T11:09:00-04:00","notes":"Calcium: 31.1\r\nClear sunny day, 2-3 previous days wind 15 to 30 km/hr, 15 km/hr day before sampling. Air temp. ~15 °C","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["secchi_depth","air_temperature","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/177745","readings":[{"id":"234f9e23-1f1d-424d-90e8-7426966da37f","created_at":"2025-09-04T19:19:46.993Z","updated_at":"2025-09-04T19:19:46.993Z","parameter":"secchi_depth","unit":"m","value":"5.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"7c35ea72-5596-4aab-b913-54449093a038","created_at":"2025-09-04T19:19:47.011Z","updated_at":"2025-09-04T19:19:47.011Z","parameter":"air_temperature","unit":"deg_c","value":"15","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"b4d795c4-9bae-4d82-b53f-0fbe93a90e0c","created_at":"2025-09-04T19:19:47.018Z","updated_at":"2025-09-04T19:19:47.018Z","parameter":"total_phosphorus","unit":"ppb","value":"7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"4a4d1d08-6865-4362-95e7-177515a1965e","created_at":"2025-09-04T19:19:47.050Z","updated_at":"2025-09-04T19:19:47.050Z","parameter":"water_temperature","unit":"deg_c","value":"15","equipment":"unspecified_water_temperature","equipment_limit":null}]}