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phosphates - using a new brand of test for the first time - colour seemed more yellow than anything else which didn't really match anything on the scale.  recorded a 0.\r\n\r\nFirst time ever seeming water fleas in the sample cup.  pond had very active insect life - many pond skaters, midges flying low over water.\r\n\r\nLots of people out fishing - some local kids were at the test spot and reported seeing a dead fish away near the boathouse (same body of water but maybe 800 meters away).  I've never seen a fish in the 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\r\nquieter than previous testing date.\r\nHeard: tits, robin blackbird\r\nSeen: Long tailed tit, Mandarin duck, Mallard\r\n\r\nOther: Member of public mentioned a kingfisher has been seen several days in a row recently, but not sighted today.\r\n","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","hardness","nitrate_nitrogen","alkalinity","conductivity","air_temperature","water_temperature","phosphate_phosphorus","algae","odour","clarity","water_flow","water_level","colour","on_the_water_s_surface","current_weather","previous_weather","chlorine"],"photos":[],"permalink":"https://data.waterrangers.com/observations/125805","readings":[{"id":"e052e6b2-e27a-4aca-a51e-e53e6c820b4b","created_at":"2025-09-03T18:39:18.300Z","updated_at":"2025-09-03T18:39:18.300Z","parameter":"ph","unit":"std_units","value":"7.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"bca48931-882c-4ee9-83c5-4a13efaff499","created_at":"2025-09-03T18:39:18.308Z","updated_at":"2025-09-03T18:39:18.308Z","parameter":"hardness","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"4d7e78ba-269f-4aa0-8eab-3b52bf6a6c7c","created_at":"2025-09-03T18:39:18.311Z","updated_at":"2025-09-03T18:39:18.311Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":".75","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":null},{"id":"74e62b2f-e67e-429d-91b5-85f7b0cb2267","created_at":"2025-09-03T18:39:18.314Z","updated_at":"2025-09-03T18:39:18.314Z","parameter":"alkalinity","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"000c4649-6ed6-4a25-80fa-8ff6f10e38bc","created_at":"2025-09-03T18:39:18.318Z","updated_at":"2025-09-03T18:39:18.318Z","parameter":"conductivity","unit":"us_cm","value":"454","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"7787578d-5830-4990-8fd6-72363d6e7c40","created_at":"2025-09-03T18:39:18.321Z","updated_at":"2025-09-03T18:39:18.321Z","parameter":"air_temperature","unit":"deg_c","value":"6","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"7283005d-9ea1-4812-8d12-e2da9e5c6f84","created_at":"2025-09-03T18:39:18.327Z","updated_at":"2025-09-03T18:39:18.327Z","parameter":"water_temperature","unit":"deg_c","value":"4.1","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"b8b21530-7dfa-47d1-9c1c-b814de7c6a75","created_at":"2025-09-03T18:39:18.331Z","updated_at":"2025-09-03T18:39:18.331Z","parameter":"phosphate_phosphorus","unit":"mg_l","value":".02","equipment":"kyoritsu_packtest_phosphate_phosphorus","equipment_limit":null},{"id":"c5f1adb3-a1bd-429d-a0ad-773819023ecf","created_at":"2025-09-03T18:39:18.335Z","updated_at":"2025-09-03T18:39:18.335Z","parameter":"algae","unit":"nil","value":"no","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"da86c5cc-e6af-4553-bb1e-9ddd4c81dc4b","created_at":"2025-09-03T18:39:18.338Z","updated_at":"2025-09-03T18:39:18.338Z","parameter":"odour","unit":"nil","value":"petroleum","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"e7bcac99-fc5a-462b-a972-7eb2dc0677f1","created_at":"2025-09-03T18:39:18.342Z","updated_at":"2025-09-03T18:39:18.342Z","parameter":"clarity","unit":"nil","value":"clear","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"6e653750-856d-4038-990c-ca810312f8c2","created_at":"2025-09-03T18:39:18.345Z","updated_at":"2025-09-03T18:39:18.345Z","parameter":"water_flow","unit":"nil","value":"still","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"645fe94f-cc79-4188-b89b-3da7352b9b99","created_at":"2025-09-03T18:39:18.349Z","updated_at":"2025-09-03T18:39:18.349Z","parameter":"water_level","unit":"nil","value":"average","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"887aed9c-6107-4b17-a106-2e81b3b45499","created_at":"2025-09-03T18:39:18.352Z","updated_at":"2025-09-03T18:39:18.352Z","parameter":"colour","unit":"nil","value":"brown","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"149ee88e-c208-497d-afd0-9734c86f246f","created_at":"2025-09-03T18:39:18.356Z","updated_at":"2025-09-03T18:39:18.356Z","parameter":"colour","unit":"nil","value":"grey","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"4ef65a10-a768-478b-8def-c916b927560f","created_at":"2025-09-03T18:39:18.359Z","updated_at":"2025-09-03T18:39:18.359Z","parameter":"on_the_water_s_surface","unit":"nil","value":"none","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"e1247670-f073-400f-9a43-fb3b8f3cfdcb","created_at":"2025-09-03T18:39:18.365Z","updated_at":"2025-09-03T18:39:18.365Z","parameter":"current_weather","unit":"nil","value":"cloudy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"4779e7c9-a68e-4da8-8725-967b64f7a39e","created_at":"2025-09-03T18:39:18.370Z","updated_at":"2025-09-03T18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wildlife in the immediate location at all. no insects at all.\r\nHeron on other side of lake. Could hear (but not see) blue tits. no ducks\r\nNearby plant species: oak, birch, cherry, bramble. lots of leaf litter in water.\r\n\r\noutflow nearby active and flowing, water looked clear.\r\nlitter on path and in the water\r\nnote - first time testing and first time using equipment.\r\n\r\nvery busy - lots of people and dogs walking along the path.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["chlorine","ph","hardness","nitrate_nitrogen","alkalinity","conductivity","air_temperature","water_temperature","phosphate_phosphorus","algae","odour","clarity","water_flow","water_level","colour","on_the_water_s_surface","current_weather","current_weather_description","previous_weather","previous_weather_description"],"photos":["http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBbTNjIiwiZXhwIjoiMjAyNi0wOS0yN1QxNDozMDoxNy4yNDNaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--336b670d6871213c239400d414b94e101fae3856/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lKYW5CbFp3WTZCa1ZVT2hOeVpYTnBlbVZmZEc5ZlptbHNiRnNIYVFLUUFXa0NrQUU9IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--cdc1f370b59111cb1beab520bbd53a9d0351bfc9/signal-2025-01-26-132120_002.jpeg","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBcURjIiwiZXhwIjoiMjAyNi0wOS0yN1QxNDozMDoxNy4yNDdaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--de429b291cf4ece0cd54e7c736490c09a4634475/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lKYW5CbFp3WTZCa1ZVT2hOeVpYTnBlbVZmZEc5ZlptbHNiRnNIYVFLUUFXa0NrQUU9IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--cdc1f370b59111cb1beab520bbd53a9d0351bfc9/signal-2025-01-26-132120_003.jpeg","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdnJjIiwiZXhwIjoiMjAyNi0wOS0yN1QxNDozMDoxNy4yNTFaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--d9e79976efecf3e1930c262a16fa4b6604769385/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lKYW5CbFp3WTZCa1ZVT2hOeVpYTnBlbVZmZEc5ZlptbHNiRnNIYVFLUUFXa0NrQUU9IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--cdc1f370b59111cb1beab520bbd53a9d0351bfc9/signal-2025-01-26-132120_004.jpeg"],"permalink":"https://data.waterrangers.com/observations/125793","readings":[{"id":"dcf942a0-584c-4e3d-927e-e64a9b4a75b0","created_at":"2025-09-03T18:39:16.826Z","updated_at":"2025-09-03T18:39:16.826Z","parameter":"ph","unit":"std_units","value":"7.5","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"e87ac173-9e65-4ff2-9c4f-f5bf11707882","created_at":"2025-09-03T18:39:16.834Z","updated_at":"2025-09-03T18:39:16.834Z","parameter":"hardness","unit":"ppm","value":"150","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"e1dd1207-c38b-40ad-8e84-a3694db1d187","created_at":"2025-09-03T18:39:16.837Z","updated_at":"2025-09-03T18:39:16.837Z","parameter":"nitrate_nitrogen","unit":"mg_l","value":"0.5","equipment":"kyoritsu_packtest_nitrate_nitrogen","equipment_limit":null},{"id":"1d4f6051-580c-455c-b274-714d4f7da924","created_at":"2025-09-03T18:39:16.841Z","updated_at":"2025-09-03T18:39:16.841Z","parameter":"alkalinity","unit":"ppm","value":"80","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"13626ec8-17e4-4034-8bb0-89983a1ad206","created_at":"2025-09-03T18:39:16.846Z","updated_at":"2025-09-03T18:39:16.846Z","parameter":"conductivity","unit":"us_cm","value":"380","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"e1bc4e65-a322-4dd9-8bb0-91b9cee0c4f5","created_at":"2025-09-03T18:39:16.851Z","updated_at":"2025-09-03T18:39:16.851Z","parameter":"air_temperature","unit":"deg_c","value":"5","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"cb558dd6-9573-4f2b-8dbe-047acc5a8fb4","created_at":"2025-09-03T18:39:16.855Z","updated_at":"2025-09-03T18:39:16.855Z","parameter":"water_temperature","unit":"deg_c","value":"4.3","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"e789c284-a071-4e38-a271-c0bced7f4252","created_at":"2025-09-03T18:39:16.858Z","updated_at":"2025-09-03T18:39:16.858Z","parameter":"phosphate_phosphorus","unit":"mg_l","value":"0.02","equipment":"kyoritsu_packtest_phosphate_phosphorus","equipment_limit":null},{"id":"fab28e1f-e66c-47be-bce1-d50843ce538b","created_at":"2025-09-03T18:39:16.861Z","updated_at":"2025-09-03T18:39:16.861Z","parameter":"algae","unit":"nil","value":"no","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"2a80dab8-8d60-4ecf-845c-382abcc5c84c","created_at":"2025-09-03T18:39:16.864Z","updated_at":"2025-09-03T18:39:16.864Z","parameter":"odour","unit":"nil","value":"petroleum","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"bd94a193-9a29-44eb-b0c8-a1a3f107ddf1","created_at":"2025-09-03T18:39:16.867Z","updated_at":"2025-09-03T18:39:16.867Z","parameter":"clarity","unit":"nil","value":"cloudy","equipment":"community_scientist_interpretation_env","equipment_limit":null},{"id":"6401019b-e395-4f0f-b97d-924137d0459a","created_at":"2025-09-03T18:39:16.870Z","updated_at":"2025-09-03T18:39:16.870Z","parameter":"water_flow","unit":"nil","v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