{"id":"1438213c-13c0-44c8-bda6-c2c3baa483fa","created_at":"2025-09-04T14:33:52.075Z","updated_at":"2026-01-20T20:57:17.712Z","owner_id":"c4678375-5225-458c-b42f-15157046d480","location_id":"c4effd59-b233-43dc-b3fa-ede043bb705b","dataset_id":"f13843e3-100c-4126-a33c-8edb632a981b","form_id":"93e5d9c7-5c11-4eda-ab0f-2e1bcd433c0c","observed_at":"2010-05-20T04:00:00.000Z","observed_at_local":"2010-05-20T00:00:00-04:00","notes":null,"checked":"review_needed","qa_notes":"Review needed: Based on previous readings, ph's result of 5.75std_units is outside the expected range of 6.21-10.35std_units.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","air_temperature","total_phosphorus","water_temperature","total_kjeldahl_nitrogen"],"photos":[],"permalink":"https://data.waterrangers.com/observations/164914","readings":[{"id":"c4a0729c-5295-4023-bdc0-c89acddaf908","created_at":"2025-09-04T14:33:52.116Z","updated_at":"2025-09-04T14:33:52.116Z","parameter":"ph","unit":"std_units","value":"5.75","equipment":"unspecified_ph","equipment_limit":null},{"id":"282bb625-0b75-4478-8cf1-ae9ae86c1ac9","created_at":"2025-09-04T14:33:52.123Z","updated_at":"2025-09-04T14:33:52.123Z","parameter":"secchi_depth","unit":"m","value":"9","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"c566e193-ea09-4242-aad8-748d1fb4cbf2","created_at":"2025-09-04T14:33:52.129Z","updated_at":"2025-09-04T14:33:52.129Z","parameter":"air_temperature","unit":"deg_c","value":"23.72","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"0c78cb0e-8648-4307-b86b-cf0767f5f4ab","created_at":"2025-09-04T14:33:52.134Z","updated_at":"2025-09-04T14:33:52.134Z","parameter":"total_phosphorus","unit":"ppb","value":"9","equipment":"unspecified_total_phosphorus","equipment_limit":null},{"id":"2400e1cc-5ddf-4a0c-80d5-fd3edce02aed","created_at":"2025-09-04T14:33:52.140Z","updated_at":"2025-09-04T14:33:52.140Z","parameter":"water_temperature","unit":"deg_c","value":"17.29","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"2237ea99-703b-42ff-ab26-d0d0975a9607","created_at":"2025-09-04T14:33:52.145Z","updated_at":"2025-09-04T14:33:52.145Z","parameter":"total_kjeldahl_nitrogen","unit":"mg_l","value":"290","equipment":"lab_unspecified","equipment_limit":null}]}