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needed: oxygen's result of 10mg/L is outside the expected range of 4.78-9.22mg/L ( standard deviations from the historical mean for this location).\nReview needed: water_depth's result of 29.5m exceeds the normal range of 20.0m.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","water_depth","conductivity","air_temperature","water_temperature","current_weather"],"photos":[],"permalink":"https://data.waterrangers.com/observations/144876","readings":[{"id":"63c3826d-8ae7-46f9-9abc-8986713268a9","created_at":"2025-12-05T22:34:20.346Z","updated_at":"2025-12-05T22:34:20.346Z","parameter":"ph","unit":"std_units","value":"9.18","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":">"},{"id":"b625521b-101c-4ffd-8701-394d406b3325","created_at":"2025-09-04T00:23:46.778Z","updated_at":"2025-09-04T00:23:46.778Z","parameter":"oxygen","unit":"mg_l","value":"10","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"d7275211-0f6a-4b61-ac10-4dd969b6e207","created_at":"2025-09-04T00:23:46.782Z","updated_at":"2025-09-04T00:23:46.782Z","parameter":"secchi_depth","unit":"m","value":"1.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"ddaf8eb9-f8d6-4883-baff-6369d3c34a39","created_at":"2025-09-04T00:23:46.786Z","updated_at":"2025-09-04T00:23:46.786Z","parameter":"water_depth","unit":"m","value":"29.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"12d1f2c3-0030-4414-ac08-d3c298038c5e","created_at":"2025-09-04T00:23:46.789Z","updated_at":"2025-09-04T00:23:46.789Z","parameter":"conductivity","unit":"us_cm","value":"1998","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"b83cff31-898a-4c57-b53a-55aba5e24db5","created_at":"2025-09-04T00:23:46.821Z","updated_at":"2025-09-04T00:23:46.821Z","parameter":"air_temperature","unit":"deg_c","value":"21","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"0a88e5e7-6d1e-4f52-835e-67b94366b0a0","created_at":"2025-09-04T00:23:46.825Z","updated_at":"2025-09-04T00:23:46.825Z","parameter":"water_temperature","unit":"deg_c","value":"16.9","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"efff63ca-f010-4c80-8de6-ecf123527046","created_at":"2025-09-04T00:23:46.860Z","updated_at":"2025-09-04T00:23:46.860Z","parameter":"current_weather","unit":"nil","value":"cloudy","equipment":"community_scientist_interpretation","equipment_limit":null}]},{"id":"66500296-baf4-4ed7-9a4f-b4f119fb2439","created_at":"2025-09-04T00:23:28.508Z","updated_at":"2026-01-21T15:44:28.742Z","owner_id":"9b8b9c35-537b-4820-9f2b-09b00dca5661","location_id":"43cfc003-b868-4794-a9f6-f8462451f061","dataset_id":"941b579f-21de-4723-af1c-f682886b0c51","form_id":"2ef98bee-de4c-4213-940f-84177fe7091d","observed_at":"2022-10-20T17:45:00.000Z","observed_at_local":"2022-10-20T11:45:00-06:00","notes":"","checked":"review_needed","qa_notes":"Review needed: water_depth's result of 30.3m exceeds the normal range of 20.0m.","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","current_weather"],"photos":[],"permalink":"https://data.waterrangers.com/observations/144763","readings":[{"id":"4e4eef57-5871-407a-9d9a-ec868bc3ca18","created_at":"2025-09-04T00:23:28.538Z","updated_at":"2025-09-04T00:23:28.538Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"575d7af0-dc05-4e3c-9ed4-57e3c19cd1aa","created_at":"2025-09-04T00:23:28.543Z","updated_at":"2025-09-04T00:23:28.543Z","parameter":"oxygen","unit":"mg_l","value":"7","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"f71f63d7-523d-417c-94eb-e46131087dd9","created_at":"2025-09-04T00:23:28.546Z","updated_at":"2025-09-04T00:23:28.546Z","parameter":"secchi_depth","unit":"m","value":"2.15","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"3ab5194d-a13d-485d-951f-c3f5e1f58329","created_at":"2025-09-04T00:23:28.550Z","updated_at":"2025-09-04T00:23:28.550Z","parameter":"chlorine","unit":"ppm","value":"1","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"fe546f65-44cc-4dec-a292-5c05d1e4c877","created_at":"2025-09-04T00:23:28.554Z","updated_at":"2025-09-04T00:23:28.554Z","parameter":"hardness","unit":"ppm","value":"600","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"6c5bc8d1-d9c9-4500-a1e2-0d2eaa5c9b23","created_at":"2025-09-04T00:23:28.583Z","updated_at":"2025-09-04T00:23:28.583Z","parameter":"alkalinity","unit":"ppm","value":"160","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"8b8537d6-af63-41dc-8550-923a770828d5","created_at":"2025-09-04T00:23:28.588Z","updated_at":"2025-09-04T00:23:28.588Z","parameter":"water_depth","unit":"m","value":"30.3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"8c6cff80-1407-4c41-933b-06d98561832d","created_at":"2025-09-04T00:23:28.591Z","updated_at":"2025-09-04T00:23:28.591Z","parameter":"conductivity","unit":"us_cm","value":"2060","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"6cac2ffb-ddca-437a-91cf-9dfff23fda73","created_at":"2025-09-04T00:23:28.595Z","updated_at":"2025-09-04T00:23:28.595Z","parameter":"air_temperature","unit":"deg_c","value":"8","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"b7208d24-a05e-4d45-90cb-2a833e59e2cf","created_at":"2025-09-04T00:23:28.605Z","updated_at":"2025-09-04T00:23:28.605Z","parameter":"water_temperature","unit":"deg_c","value":"11","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"56ff4959-de3e-4bc3-b0dd-c2033aecd55c","created_at":"2025-09-04T00:23:28.612Z","updated_at":"2025-09-04T00:23:28.612Z","parameter":"current_weather","unit":"nil","value":"cloudy","equipment":"community_scientist_interpretation","equipment_limit":null}]},{"id":"836dd0bf-f002-4d0c-94d4-b0299217656f","created_at":"2025-09-04T00:23:27.762Z","updated_at":"2026-01-21T15:44:27.450Z","owner_id":"9b8b9c35-537b-4820-9f2b-09b00dca5661","location_id":"43cfc003-b868-4794-a9f6-f8462451f061","dataset_id":"941b579f-21de-4723-af1c-f682886b0c51","form_id":"2ef98bee-de4c-4213-940f-84177fe7091d","observed_at":"2022-09-29T17:45:00.000Z","observed_at_local":"2022-09-29T11:45:00-06:00","notes":"","checked":"review_needed","qa_notes":"Review needed: water_depth's result of 29.2m exceeds the normal range of 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needed: water_depth's result of 29.5m exceeds the normal range of 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needed: oxygen's result of 5mg/L is outside the expected range of 5.28-9.72mg/L ( standard deviations from the historical mean for this location).\nReview needed: water_depth's result of 29.3m exceeds the normal range of 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