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12.0mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature","chloride"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169684","readings":[{"id":"6667874c-cdc0-4d56-899e-447badcc1dae","created_at":"2025-12-05T22:50:32.061Z","updated_at":"2025-12-05T22:50:32.061Z","parameter":"chloride","unit":"mg_l","value":"2","equipment":"hach_chloride_low_range","equipment_limit":"<"},{"id":"517e817a-6931-4b66-8957-de756ff9c526","created_at":"2025-09-04T15:21:02.394Z","updated_at":"2025-09-04T15:21:02.394Z","parameter":"ph","unit":"std_units","value":"7.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"c5580969-2f1b-4186-9c58-f9bd11c8ac46","created_at":"2025-09-04T15:21:02.402Z","updated_at":"2025-09-04T15:21:02.402Z","parameter":"oxygen","unit":"mg_l","value":"5.2","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"3393980d-de20-4bb5-8af0-ac26b952e4fc","created_at":"2025-09-04T15:21:02.417Z","updated_at":"2025-09-04T15:21:02.417Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"7837ece5-138d-4ca5-b156-0c8c8e6244bb","created_at":"2025-09-04T15:21:02.427Z","updated_at":"2025-09-04T15:21:02.427Z","parameter":"hardness","unit":"ppm","value":"175","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"7e1424bb-b3b4-4399-a245-b053a90d548d","created_at":"2025-09-04T15:21:02.436Z","updated_at":"2025-09-04T15:21:02.436Z","parameter":"alkalinity","unit":"ppm","value":"80","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"cf8718b5-d6c6-442e-a426-8bdc5377a0bf","created_at":"2025-09-04T15:21:02.443Z","updated_at":"2025-09-04T15:21:02.443Z","parameter":"water_depth","unit":"m","value":"1.11","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"4d45c813-ace8-4e4d-b0a3-255947760009","created_at":"2025-09-04T15:21:02.472Z","updated_at":"2025-09-04T15:21:02.472Z","parameter":"conductivity","unit":"us_cm","value":"148","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"0c677cef-d85e-424d-b7b4-318023827422","created_at":"2025-09-04T15:21:02.486Z","updated_at":"2025-09-04T15:21:02.486Z","parameter":"air_temperature","unit":"deg_c","value":"24","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"acf66de1-3003-42a9-9dc9-a50b8b31e3e8","created_at":"2025-09-04T15:21:02.493Z","updated_at":"2025-09-04T15:21:02.493Z","parameter":"water_temperature","unit":"deg_c","value":"22.3","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}]