{"id":"5c585671-24d5-4966-9dfd-00fad54fbca1","created_at":"2025-09-04T17:34:25.563Z","updated_at":"2026-01-30T13:41:35.649Z","owner_id":"74e84271-4524-44f6-bd6c-7c54e7b52f58","location_id":"03b183a5-9898-44da-84e5-2f8c0e0d3fc7","dataset_id":"158ccac2-36b2-4a3e-a62e-106d04f8eb1b","form_id":"83721d81-fc54-4770-a562-d9f9059fe7c7","observed_at":"2017-07-21T14:50:00.000Z","observed_at_local":"2017-07-21T10:50:00-04:00","notes":"Cloudy sky, slight breeze. ","checked":"owner_approved","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","hardness","alkalinity","conductivity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/170956","readings":[{"id":"5683b747-f813-4629-a5d0-0d197807e78d","created_at":"2025-09-04T17:34:25.608Z","updated_at":"2025-10-16T18:57:25.282Z","parameter":"ph","sub_question":null,"qualitative":false,"unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"4d19f590-5e49-44cf-982c-c30c112d7ab9","created_at":"2025-09-04T17:34:25.624Z","updated_at":"2025-10-16T18:57:25.285Z","parameter":"oxygen","sub_question":null,"qualitative":false,"unit":"mg_l","value":"7","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"274f4619-4dbc-4e0c-8be0-550bfd98c902","created_at":"2025-09-04T17:34:25.637Z","updated_at":"2025-10-16T18:57:25.287Z","parameter":"secchi_depth","sub_question":null,"qualitative":false,"unit":"m","value":"6.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"61acaf59-9e32-4b77-b8ed-f5da5f9e249a","created_at":"2025-09-04T17:34:25.664Z","updated_at":"2025-10-16T18:57:25.290Z","parameter":"hardness","sub_question":null,"qualitative":false,"unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"34aed601-7e39-43e4-87bc-6c5aff9d576c","created_at":"2025-09-04T17:34:25.678Z","updated_at":"2025-10-16T18:57:25.292Z","parameter":"alkalinity","sub_question":null,"qualitative":false,"unit":"ppm","value":"20","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"8724af94-17df-48a8-82df-bcf21a04aefb","created_at":"2025-09-04T17:34:25.689Z","updated_at":"2025-10-16T18:57:25.294Z","parameter":"conductivity","sub_question":null,"qualitative":false,"unit":"us_cm","value":"91","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"6261a0b3-5a87-4d38-8b7a-83b9c82d0347","created_at":"2025-09-04T17:34:25.704Z","updated_at":"2025-10-16T18:57:25.297Z","parameter":"water_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"25.7","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}