{"id":"34956edd-1e06-4ff0-8d5f-04d53ccf1b4a","created_at":"2025-09-04T19:19:51.816Z","updated_at":"2026-01-20T21:23:07.966Z","owner_id":"4523b067-1f47-40f7-9327-cfbdb8b12c8f","location_id":"bba92577-2808-4b6f-97ee-b7216516341b","dataset_id":"7e457e96-fa9f-4fdc-ac15-8a24f50f93e0","form_id":"25b5c89f-ed8d-461a-a5e7-70b9af2d5ceb","observed_at":"2016-05-17T16:10:00.000Z","observed_at_local":"2016-05-17T12:10:00-04:00","notes":"Calcium: 31.4ppm\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/177788","readings":[{"id":"5f79bf0b-d6bf-4154-b2a2-1bb74ebcca96","created_at":"2025-09-04T19:19:51.884Z","updated_at":"2025-09-04T19:19:51.884Z","parameter":"secchi_depth","unit":"m","value":"4.6","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"85288008-6c76-4b0e-8dad-124abcd69ffd","created_at":"2025-09-04T19:19:51.896Z","updated_at":"2025-09-04T19:19:51.896Z","parameter":"air_temperature","unit":"deg_c","value":"15","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"0f22f625-bc9a-47db-b000-ddbafd3efd6d","created_at":"2025-09-04T19:19:51.912Z","updated_at":"2025-09-04T19:19:51.912Z","parameter":"total_phosphorus","unit":"ppb","value":"8.7","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"3b5d3ac6-4833-40a4-877f-087222d61aca","created_at":"2025-09-04T19:19:51.931Z","updated_at":"2025-09-04T19:19:51.931Z","parameter":"water_temperature","unit":"deg_c","value":"14","equipment":"unspecified_water_temperature","equipment_limit":null}]}