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needed: water_depth's result of 0.07m is below the normal range of 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probe faulty","checked":"review_needed","qa_notes":"Review needed: conductivity's result of 265μS/cm is outside the expected range of 338.5-1015.5μS/cm (50.0% difference from the historical median for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ammonia","flow","conductivity","water_temperature","turbidity","water_depth","total_dissolved_solids_tds","phosphates"],"photos":[],"permalink":"https://data.waterrangers.com/observations/212444","readings":[{"id":"754c6c85-d2be-40fd-8e31-209161c382a5","created_at":"2026-06-16T20:07:41.883Z","updated_at":"2026-06-16T20:07:41.883Z","parameter":"ammonia","unit":"mg_l","value":"0.94","equipment":"hanna_checker_ammonia_medium_range","equipment_limit":null},{"id":"8b5134f9-1b50-4874-9261-e548f5c88537","created_at":"2026-06-16T20:07:41.891Z","updated_at":"2026-06-16T20:07:41.891Z","parameter":"flow","unit":"l_s","value":"0.192","equipment":"other_flow_l_s","equipment_limit":null},{"id":"0d606c4c-9c86-44ea-8223-da09448fba96","created_at":"2026-06-16T20:07:41.897Z","updated_at":"2026-06-16T20:07:41.897Z","parameter":"conductivity","unit":"us_cm","value":"265","equipment":"other_pen_type_conductivity_meter_us_cm","equipment_limit":null},{"id":"a799df3d-23c7-4307-94e6-5e4169d02d11","created_at":"2026-06-16T20:07:41.905Z","updated_at":"2026-06-16T20:07:41.905Z","parameter":"water_temperature","unit":"deg_c","value":"7","equipment":"other_thermometer","equipment_limit":null},{"id":"fcef30b1-dfa0-4fb2-bd5a-5696a2b9f806","created_at":"2026-06-16T20:07:41.912Z","updated_at":"2026-06-16T20:07:41.912Z","parameter":"turbidity","unit":"ntu","value":"24","equipment":"turbidity_tube_45cm","equipment_limit":null},{"id":"6b3d0a8a-6826-4d6c-acd0-80cbd89df34f","created_at":"2026-06-16T20:07:41.918Z","updated_at":"2026-06-16T20:07:41.918Z","parameter":"water_depth","unit":"m","value":"0.15","equipment":"ruler_m","equipment_limit":null},{"id":"7798666c-e204-4357-930d-12a7dca462b4","created_at":"2026-06-16T20:07:41.923Z","updated_at":"2026-06-16T20:07:41.923Z","parameter":"total_dissolved_solids_tds","unit":"ppm","value":"133","equipment":"other_pen-type_tds_meter","equipment_limit":null},{"id":"2e6fc1c8-79f2-4ca9-9e6d-1d1b10ebd848","created_at":"2026-06-16T20:07:41.929Z","updated_at":"2026-06-16T20:07:41.929Z","parameter":"phosphates","unit":"mg_l","value":"0.09","equipment":"hanna_checker_phosphates_low_range","equipment_limit":null}]},{"id":"2a2e17c8-11bc-4239-909e-2544ff12b25a","created_at":"2026-06-16T20:07:40.237Z","updated_at":"2026-06-16T20:07:53.387Z","owner_id":"2bf8a7f2-1d3d-41b0-9e22-23105e9bed59","location_id":"9935e0a3-adce-42c0-94fe-bceba2ef6991","dataset_id":"3dace7aa-130a-49cf-9966-e24114d160d4","form_id":"6a6c2644-5295-45b4-a8e3-f99063b91aee","observed_at":"2025-12-03T09:30:00.000Z","observed_at_local":"2025-12-03T09:30:00+00:00","notes":"pH probe faulty","checked":"review_needed","qa_notes":"Review needed: conductivity's result of 1170μS/cm is outside the expected range of 295.75-887.25μS/cm (50.0% difference from the historical median for this location).\nReview needed: water_depth's result of 0.08m is below the normal range of 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needed: conductivity's result of 1270μS/cm is outside the expected range of 295.75-887.25μS/cm (50.0% difference from the historical median for this location).\nReview needed: water_depth's result of 0.03m is below the normal range of 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