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and Phosphates usually 0 - don't know whether to be concerned","checked":"follow_up_needed","qa_notes":"Review needed: Based on previous readings, conductivity's result of 66.3μS/cm is outside the expected range of 520.48-729.52μS/cm.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["current_weather_description","previous_weather_description","ph","hardness","nitrate_nitrogen","alkalinity","conductivity","water_temperature","ammonia","chlorine","air_temperature","phosphates","nitrates","water_depth","current_weather","previous_weather"],"photos":[],"permalink":"https://data.waterrangers.com/observations/208661","readings":[{"id":"ac46dafa-5014-48cd-9be8-3f6aac75bfed","created_at":"2026-03-09T12:47:40.133Z","updated_at":"2026-03-09T12:47:40.133Z","parameter":"current_weather_description","unit":"nil","value":"grey - cloud cover 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cloud.","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"2f336e2a-1766-44a6-ab25-bd8636732613","created_at":"2025-10-23T18:27:46.790Z","updated_at":"2025-10-23T18:35:18.880Z","parameter":"ph","unit":"std_units","value":"7.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"eb560633-0b83-460d-a795-6f6c3c98f437","created_at":"2025-10-23T18:27:46.806Z","updated_at":"2025-10-23T18:35:18.882Z","parameter":"air_temperature","unit":"deg_c","value":"18","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"a6e39e2d-f572-4219-8543-4f23d16c4f34","created_at":"2025-10-23T18:27:46.815Z","updated_at":"2025-10-23T18:35:18.884Z","parameter":"water_temperature","unit":"deg_c","value":"13.3","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"0a314473-b55c-401a-96ea-ea365deaf190","created_at":"2025-10-23T18:27:46.824Z","updated_at":"2025-10-23T18:35:18.886Z","parameter":"hardness","unit":"ppm","value":"400","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"914636a6-ccf1-4b55-a62c-cc36fee97816","created_at":"2025-10-23T18:27:46.834Z","updated_at":"2025-10-23T18:35:18.888Z","parameter":"alkalinity","unit":"ppm","value":"180","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"9a1f1a6c-e161-4708-93f2-20641a2146cf","created_at":"2025-10-23T18:27:46.843Z","updated_at":"2025-10-23T18:35:18.891Z","parameter":"conductivity","unit":"us_cm","value":"64.2","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"b83cb681-d1b6-4564-8418-936e93a5afbf","created_at":"2025-10-23T18:27:46.861Z","updated_at":"2025-10-23T18:35:18.893Z","parameter":"phosphates","unit":"mg_l","value":"0.11","equipment":"hanna_checker_phosphates_low_range","equipment_limit":null},{"id":"ac290537-d132-4fa2-84e2-a17c15fe6765","created_at":"2025-10-23T18:27:46.875Z","updated_at":"2025-10-23T18:35:18.895Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"2.0","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":null},{"id":"337895e8-4ce6-4ad6-bf08-7cbad78474cd","created_at":"2025-10-23T18:27:46.927Z","updated_at":"2025-10-23T18:35:18.901Z","parameter":"water_depth","unit":"m","value":"0.64","equipment":"ruler_m","equipment_limit":null},{"id":"044a4bea-fd38-4944-87f7-d22b7da0919c","created_at":"2025-10-23T18:27:46.936Z","updated_at":"2025-10-23T18:35:18.903Z","parameter":"current_weather","unit":"nil","value":"cloudy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"b6b679dc-2633-455a-98e9-7e810585d65f","created_at":"2025-10-23T18:27:46.955Z","updated_at":"2025-10-23T18:35:18.905Z","parameter":"previous_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"24c4c595-3013-424f-af2e-5dc9263a6fae","created_at":"2025-10-23T18:27:46.893Z","updated_at":"2025-11-19T15:20:48.970Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="},{"id":"e74b87db-a874-471c-bc30-ac7045952f1e","created_at":"2025-10-23T18:27:46.906Z","updated_at":"2025-11-19T15:20:48.970Z","parameter":"ammonia","unit":"mg_l","value":"0.00","equipment":"hanna_checker_ammonia_medium_range","equipment_limit":"<="}]},{"id":"966f44bf-9b90-4cab-8d28-afd0e08cb82c","created_at":"2025-09-05T01:21:01.581Z","updated_at":"2025-12-31T16:16:30.113Z","owner_id":"597f3240-69d6-490e-86c3-03c3315de5cc","location_id":"77648c40-1bba-4134-8999-fdb806ec6a44","dataset_id":"2f896980-31d8-4b3f-b4b1-8d55247f5e2f","form_id":"c75c113e-736d-4230-babf-ebb31319cea2","observed_at":"2025-07-28T13:04:00.000Z","observed_at_local":"2025-07-28T14:04:00+01:00","notes":"amount 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