{"id":"1036e083-3159-4d4a-8d46-8ba6a3770d8a","created_at":"2025-09-04T00:21:38.159Z","updated_at":"2026-01-21T15:41:47.911Z","owner_id":"4204c675-032e-40d6-ba60-a1eead6f9afd","location_id":"d38c8a75-3796-435c-a5e1-aed45cbc4b7c","dataset_id":"941b579f-21de-4723-af1c-f682886b0c51","form_id":"2ef98bee-de4c-4213-940f-84177fe7091d","observed_at":"2017-07-20T18:22:00.000Z","observed_at_local":"2017-07-20T12:22:00-06:00","notes":"Hardness: 1288 mg/L\r\nObserved by trained limnologist ","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","water_depth","conductivity","air_temperature","water_temperature","alkalinity"],"photos":[],"permalink":"https://data.waterrangers.com/observations/143882","readings":[{"id":"a2618079-f439-4d0c-9740-ccab6a287b43","created_at":"2025-12-10T15:39:11.752Z","updated_at":"2025-12-10T15:39:11.752Z","parameter":"alkalinity","unit":"ppm","value":"398","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":">"},{"id":"0c941464-9b34-4f5f-a72c-64d6d2cfa627","created_at":"2025-09-04T00:21:38.182Z","updated_at":"2025-09-04T00:21:38.182Z","parameter":"ph","unit":"std_units","value":"8.73","equipment":"unspecified_ph","equipment_limit":null},{"id":"9f73e95a-3d23-4f85-97b1-4e8b9b29300c","created_at":"2025-09-04T00:21:38.186Z","updated_at":"2025-09-04T00:21:38.186Z","parameter":"secchi_depth","unit":"m","value":"1.08","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"40fbf49e-85c4-4cd3-97af-8d72076f2507","created_at":"2025-09-04T00:21:38.192Z","updated_at":"2025-09-04T00:21:38.192Z","parameter":"water_depth","unit":"m","value":"7.8","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"02f229b1-acde-4c5d-b9b1-c65fe3de47d1","created_at":"2025-09-04T00:21:38.197Z","updated_at":"2025-09-04T00:21:38.197Z","parameter":"conductivity","unit":"us_cm","value":"2025","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"7b81c956-8c51-482a-8030-13c39d46a3eb","created_at":"2025-09-04T00:21:38.201Z","updated_at":"2025-09-04T00:21:38.201Z","parameter":"air_temperature","unit":"deg_c","value":"27.1","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"73154d14-cadb-49c4-a805-935651bbe2d6","created_at":"2025-09-04T00:21:38.209Z","updated_at":"2025-09-04T00:21:38.209Z","parameter":"water_temperature","unit":"deg_c","value":"21.7","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}