{"id":"9cc616ce-ea85-41c6-be87-acf5a85dec13","created_at":"2025-09-04T19:19:45.608Z","updated_at":"2026-01-20T21:22:47.442Z","owner_id":"4523b067-1f47-40f7-9327-cfbdb8b12c8f","location_id":"39f247f3-ab97-4592-a531-73ec3dc2b1b7","dataset_id":"7e457e96-fa9f-4fdc-ac15-8a24f50f93e0","form_id":"25b5c89f-ed8d-461a-a5e7-70b9af2d5ceb","observed_at":"2016-05-17T14:24:00.000Z","observed_at_local":"2016-05-17T10:24:00-04:00","notes":"Calcium: 31.8 ppm\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","total_phosphorus","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/177723","readings":[{"id":"ef1bdd1b-24cd-4801-a7b7-adc126c68998","created_at":"2025-09-04T19:19:45.652Z","updated_at":"2025-09-04T19:19:45.652Z","parameter":"secchi_depth","unit":"m","value":"4.7","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"3c8e3a45-f0e5-4120-9d3c-7273f4235bb4","created_at":"2025-09-04T19:19:45.659Z","updated_at":"2025-09-04T19:19:45.659Z","parameter":"total_phosphorus","unit":"ppb","value":"8.1","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"60c274f7-5ac4-4d82-bf5e-0c9639eac0cf","created_at":"2025-09-04T19:19:45.667Z","updated_at":"2025-09-04T19:19:45.667Z","parameter":"water_temperature","unit":"deg_c","value":"13.5","equipment":"unspecified_water_temperature","equipment_limit":null}]}