{"id":"b7fbf739-5acb-4885-96f0-ad423a9e95ad","created_at":"2025-08-20T17:42:06.930Z","updated_at":"2026-01-12T18:31:12.005Z","owner_id":"436aa85d-4184-4ad9-a749-722a87d56665","location_id":"95112ad0-8c68-4c99-8893-ae1028803f8f","dataset_id":"158ccac2-36b2-4a3e-a62e-106d04f8eb1b","form_id":"83721d81-fc54-4770-a562-d9f9059fe7c7","observed_at":"2016-04-28T15:01:00.000Z","observed_at_local":"2016-04-28T11:01:00-04:00","notes":"Phosphate testing done today too. Added in results when we received them from the lab, but they're displayed on this observation. Used test strips for pH, alkalinity and hardness. Wind was up, but not too bad. Secchi disk didn't go down straight at first, but eventually corrected its angle.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","hardness","alkalinity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/75196","readings":[{"id":"effffbd7-32e4-4261-9632-e3e5f9f8cdbb","created_at":"2025-08-20T17:42:07.012Z","updated_at":"2025-08-20T17:42:07.012Z","parameter":"ph","sub_question":null,"qualitative":false,"unit":"std_units","value":"6.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"4aad56d6-3cbc-40c0-ae1f-639b53e26824","created_at":"2025-08-20T17:42:07.053Z","updated_at":"2025-08-20T17:42:07.053Z","parameter":"secchi_depth","sub_question":null,"qualitative":false,"unit":"m","value":"6.8","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"511fc5d0-c1db-4cca-a2dc-da19e131350c","created_at":"2025-08-20T17:42:07.078Z","updated_at":"2025-08-20T17:42:07.078Z","parameter":"hardness","sub_question":null,"qualitative":false,"unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"5ae86578-dbca-44a6-8a8b-105e0824ff17","created_at":"2025-08-20T17:42:07.119Z","updated_at":"2025-08-20T17:42:07.119Z","parameter":"alkalinity","sub_question":null,"qualitative":false,"unit":"ppm","value":"20","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"d4e1895f-f9e6-472c-af85-086743b41e3e","created_at":"2025-08-20T17:42:07.129Z","updated_at":"2025-08-20T17:42:07.129Z","parameter":"water_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"4","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}