{"id":"10188e12-4be8-4909-8fc0-61ccb37ea5d8","created_at":"2025-09-04T19:19:45.071Z","updated_at":"2026-01-20T21:22:44.978Z","owner_id":"4523b067-1f47-40f7-9327-cfbdb8b12c8f","location_id":"145ed85e-ac85-492c-a487-dd097f0d6845","dataset_id":"7e457e96-fa9f-4fdc-ac15-8a24f50f93e0","form_id":"25b5c89f-ed8d-461a-a5e7-70b9af2d5ceb","observed_at":"2016-05-17T14:04:00.000Z","observed_at_local":"2016-05-17T10:04:00-04:00","notes":"Calcium: 36.4 ppm\r\n\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/177714","readings":[{"id":"38f3f5d3-3b51-46e3-aa0f-d90cce4d3665","created_at":"2025-09-04T19:19:45.103Z","updated_at":"2025-09-04T19:19:45.103Z","parameter":"secchi_depth","unit":"m","value":"3.4","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"88925a81-a081-4f21-94ec-461be9cdd7ea","created_at":"2025-09-04T19:19:45.115Z","updated_at":"2025-09-04T19:19:45.115Z","parameter":"total_phosphorus","unit":"ppb","value":"8.4","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"23cd1c59-8829-41c2-b56b-95055f699761","created_at":"2025-09-04T19:19:45.121Z","updated_at":"2025-09-04T19:19:45.121Z","parameter":"water_temperature","unit":"deg_c","value":"13","equipment":"unspecified_water_temperature","equipment_limit":null}]}