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249.6-436.4μS/cm.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","e_coli","oxygen","hardness","alkalinity","conductivity","water_temperature","chlorine"],"photos":[],"permalink":"https://data.waterrangers.com/observations/58773","readings":[{"id":"b92b0077-3607-423d-827c-66cf8a3f2a6a","created_at":"2025-08-06T19:10:33.529Z","updated_at":"2025-08-06T19:10:33.529Z","parameter":"ph","unit":"std_units","value":"7.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"5867b074-3639-4e8a-830d-97b9675b3f44","created_at":"2025-08-06T19:10:33.539Z","updated_at":"2025-08-06T19:10:33.539Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"217.8087531","equipment":"idexx_colilert_2000_e_coli_geomean","equipment_limit":null},{"id":"108a3720-a7dd-4f28-aeef-252af9600f48","created_at":"2025-08-06T19:10:33.556Z","updated_at":"2025-08-06T19:10:33.556Z","parameter":"oxygen","unit":"mg_l","value":"6","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"f78cad60-357f-41e6-a3a4-b473a5ef349e","created_at":"2025-08-06T19:10:33.587Z","updated_at":"2025-08-06T19:10:33.587Z","parameter":"hardness","unit":"ppm","value":"200","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"b870022c-a877-4a33-8df5-0fa4ebf78927","created_at":"2025-08-06T19:10:33.593Z","updated_at":"2025-08-06T19:10:33.593Z","parameter":"alkalinity","unit":"ppm","value":"40","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"e0a34011-e4fe-4dd1-994f-ba6734b06a4a","created_at":"2025-08-06T19:10:33.615Z","updated_at":"2025-08-06T19:10:33.615Z","parameter":"conductivity","unit":"us_cm","value":"437","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"1b6cda3e-46a3-4733-9ac2-21dab26c5aa3","created_at":"2025-08-06T19:10:33.624Z","updated_at":"2025-08-06T19:10:33.624Z","parameter":"water_temperature","unit":"deg_c","value":"16.2","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"a287b04b-5aa2-4ea4-8569-7cb5a5449535","created_at":"2025-08-06T19:10:33.577Z","updated_at":"2025-11-19T15:02:09.445Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="}]},{"id":"b4c80028-e917-4888-b78e-10763b83844e","created_at":"2025-08-06T19:10:33.663Z","updated_at":"2026-01-20T19:54:18.712Z","owner_id":"9e8317fe-9f26-47b5-aaa5-fc31baaf0b55","location_id":"38682742-fe0d-4214-ad45-b07e03c7a302","dataset_id":"a85cffd1-5483-42a3-b5bc-3fc93c3c3c19","form_id":"d5c5a6f8-d728-415a-b611-b19e40bd1b7b","observed_at":"2023-06-08T00:00:00.000Z","observed_at_local":"2023-06-07T20:00:00-04:00","notes":null,"checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","e_coli","oxygen","chlorine","hardness","alkalinity","conductivity","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/58774","readings":[{"id":"b105adb0-604a-4de1-b642-2de41972da29","created_at":"2025-08-06T19:10:33.694Z","updated_at":"2025-08-06T19:10:33.694Z","parameter":"ph","unit":"std_units","value":"7.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"2b6e4f75-f0ab-4b30-8f0c-956e334f4aac","created_at":"2025-08-06T19:10:33.701Z","updated_at":"2025-08-06T19:10:33.701Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"15.2","equipment":"idexx_colilert_2000_e_coli_geomean","equipment_limit":null},{"id":"ce7232db-af99-4c5b-8483-f72b21d2cf84","created_at":"2025-08-06T19:10:33.712Z","updated_at":"2025-08-06T19:10:33.712Z","parameter":"oxygen","unit":"mg_l","value":"6","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"4e35f9fa-2539-46ae-8a55-46476187b0a4","created_at":"2025-08-06T19:10:33.720Z","updated_at":"2025-08-06T19:10:33.720Z","parameter":"chlorine","unit":"ppm","value":"0.5","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"4e560cb5-d0f3-42e5-8509-c03eca2fb745","created_at":"2025-08-06T19:10:33.733Z","updated_at":"2025-08-06T19:10:33.733Z","parameter":"hardness","unit":"ppm","value":"20","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"4ff1646a-6cb9-48e1-ae6e-f6488c7a46d9","created_at":"2025-08-06T19:10:33.764Z","updated_at":"2025-08-06T19:10:33.764Z","parameter":"alkalinity","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"729b6ed7-25a1-4c04-b3ea-030f275d699c","created_at":"2025-08-06T19:10:33.772Z","updated_at":"2025-08-06T19:10:33.772Z","parameter":"conductivity","unit":"us_cm","value":"406","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"a5a4cc2e-8126-405e-9810-0489be97ff8f","created_at":"2025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needed: Based on previous readings, conductivity's result of 238μS/cm is outside the expected range of 249.6-436.4μS/cm.\nIssue detected: ph's result of 80std_units exceeds the extreme range of 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