{"id":"6ab747ca-0975-490e-97b9-5f592573c28a","created_at":"2025-09-04T15:20:03.962Z","updated_at":"2026-01-20T21:12:48.577Z","owner_id":"bf063a1f-77c7-4144-8fe7-e4bb3703c1cf","location_id":"b316b952-6b31-4266-91a7-4f367b3d590c","dataset_id":"d66cedcd-d387-44d0-8873-e371bad6dfbc","form_id":"f496b8f2-bb6b-4e6b-9536-a22e8a15eb6d","observed_at":"2018-08-29T20:15:00.000Z","observed_at_local":"2018-08-29T16:15:00-04:00","notes":"Just after a significant rainfall and tornado watch on the lake. Waters were calm. No wind.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","chlorine","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169448","readings":[{"id":"bcf4047c-1e84-49eb-85b3-59c73b6396a4","created_at":"2025-09-04T15:20:04.050Z","updated_at":"2025-09-04T15:20:04.050Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"d3644ced-4ff8-4127-a7dd-84e2e6c713e8","created_at":"2025-09-04T15:20:04.073Z","updated_at":"2025-09-04T15:20:04.073Z","parameter":"oxygen","unit":"mg_l","value":"4.0","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"05692e02-dd1c-478d-a636-b50bbda04966","created_at":"2025-09-04T15:20:04.092Z","updated_at":"2025-09-04T15:20:04.092Z","parameter":"secchi_depth","unit":"m","value":"3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"f6af5d38-8e57-4daf-bba8-ba15eefa31c6","created_at":"2025-09-04T15:20:04.118Z","updated_at":"2025-09-04T15:20:04.118Z","parameter":"chlorine","unit":"ppm","value":"0.5","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"94d893ab-12c7-4649-9c94-58999dd0467a","created_at":"2025-09-04T15:20:04.124Z","updated_at":"2025-09-04T15:20:04.124Z","parameter":"hardness","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"1e9c9e23-bfe2-4baa-9b89-9d6797fc24ae","created_at":"2025-09-04T15:20:04.130Z","updated_at":"2025-09-04T15:20:04.130Z","parameter":"alkalinity","unit":"ppm","value":"120","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"f2c97f9b-2efe-480e-b48e-d2fd1eda1ea4","created_at":"2025-09-04T15:20:04.147Z","updated_at":"2025-09-04T15:20:04.147Z","parameter":"water_depth","unit":"m","value":"3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"2a05f1e0-45f4-4218-ade8-68b3fbe02013","created_at":"2025-09-04T15:20:04.167Z","updated_at":"2025-09-04T15:20:04.167Z","parameter":"conductivity","unit":"us_cm","value":"172","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"2f0a67de-551e-4dcf-8720-de554bcb3613","created_at":"2025-09-04T15:20:04.188Z","updated_at":"2025-09-04T15:20:04.188Z","parameter":"air_temperature","unit":"deg_c","value":"29.8","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"f6bb3d41-0285-4a77-ab57-35eed90f532b","created_at":"2025-09-04T15:20:04.209Z","updated_at":"2025-09-04T15:20:04.209Z","parameter":"water_temperature","unit":"deg_c","value":"25.3","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}