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< 0\r\npH NA\r\n\r\nRepeated pH measurements of < 6.4 over several samplings this year and in 2023 discussed with Kensington Conservancy staff. Suspect faulty test strips have caused these measurements. Data as entered is not correct.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["secchi_depth","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature","current_weather","previous_weather","chlorine"],"photos":[],"permalink":"https://data.waterrangers.com/observations/155576","readings":[{"id":"b710e987-a3d0-4d1d-b1d0-750d997a26d3","created_at":"2025-09-04T00:47:14.948Z","updated_at":"2025-09-04T00:47:14.948Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"d9fa2338-acb4-40fd-9242-d8404964bdce","created_at":"2025-09-04T00:47:14.954Z","updated_at":"2025-09-04T00:47:14.954Z","parameter":"hardness","unit":"ppm","value":"200","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"d7cad011-2b94-426a-ac41-a950899639f2","created_at":"2025-09-04T00:47:14.956Z","updated_at":"2025-09-04T00:47:14.956Z","parameter":"alkalinity","unit":"ppm","value":"20","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"328bafc1-c2d5-48f5-a1d3-d7109ba24f7c","created_at":"2025-09-04T00:47:14.960Z","updated_at":"2025-09-04T00:47:14.960Z","parameter":"water_depth","unit":"m","value":"1.1","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"07eaebee-50a8-45cd-8a0f-11bd09c2df31","created_at":"2025-09-04T00:47:14.964Z","updated_at":"2025-09-04T00:47:14.964Z","parameter":"conductivity","unit":"us_cm","value":"99","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"aba12510-9b66-4c56-bed7-be7eb0898d54","created_at":"2025-09-04T00:47:14.966Z","updated_at":"2025-09-04T00:47:14.966Z","parameter":"air_temperature","unit":"deg_c","value":"6","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"2175467e-8148-475e-8b3e-4eb0fe7c30c5","created_at":"2025-09-04T00:47:14.969Z","updated_at":"2025-09-04T00:47:14.969Z","parameter":"water_temperature","unit":"deg_c","value":"8","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"f6258434-d6fc-48f3-a5a5-60c43af43d61","created_at":"2025-09-04T00:47:14.972Z","updated_at":"2025-09-04T00:47:14.972Z","parameter":"current_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"c690ab48-0423-432a-84f9-bdc6c64405bc","created_at":"2025-09-04T00:47:14.974Z","updated_at":"2025-09-04T00:47:14.974Z","parameter":"current_weather","unit":"nil","value":"windy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"6822eac4-a72f-4a94-892b-04e198f87095","created_at":"2025-09-04T00:47:14.988Z","updated_at":"2025-09-04T00:47:14.988Z","parameter":"previous_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"893dd803-6f77-4f23-b28a-eae0d06998e5","created_at":"2025-09-04T00:47:14.990Z","updated_at":"2025-09-04T00:47:14.990Z","parameter":"previous_weather","unit":"nil","value":"windy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"24386601-cfdb-43da-956a-42dc3d752787","created_at":"2025-09-04T00:47:14.951Z","updated_at":"2025-11-19T15:02:34.478Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="}]},{"id":"00b6ce98-4a2a-4c94-aa39-47043c9f80f0","created_at":"2025-09-04T00:47:14.855Z","updated_at":"2026-01-20T20:28:25.691Z","owner_id":"f3eaa7a6-3922-42c6-bb0b-8a4f567ea92a","location_id":"60147ff6-b848-4ef2-9612-7fad86416f2b","dataset_id":"a0fcff2f-8de1-42ad-942b-5bb9b0d50a3e","form_id":"a00c4685-5f8f-49b3-b401-fda531c6ed2c","observed_at":"2024-10-02T15:00:00.000Z","observed_at_local":"2024-10-02T11:00:00-04:00","notes":"Cl < 0\r\npH NA\r\n\r\nRepeated pH measurements of < 6.4 over several samplings this year and in 2023 discussed with Kensington Conservancy staff. Suspect faulty test strips have caused these measurements. Data as entered is not correct.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["chlorine","secchi_depth","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature","current_weather","previous_weather"],"photos":[],"permalink":"https://data.waterrangers.com/observations/155575","readings":[{"id":"ebb3ff63-182a-4be2-97ff-9ee40b4e10f1","created_at":"2025-09-04T00:47:14.873Z","updated_at":"2025-09-04T00:47:14.873Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"d4952d1e-1c5f-4ceb-8328-6d5620fce7c4","created_at":"2025-09-04T00:47:14.879Z","updated_at":"2025-09-04T00:47:14.879Z","parameter":"hardness","unit":"ppm","value":"150","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"c8f3cf58-7e03-4111-8bb9-ae455018e578","created_at":"2025-09-04T00:47:14.890Z","updated_at":"2025-09-04T00:47:14.890Z","parameter":"alkalinity","unit":"ppm","value":"40","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"9ac37f03-314a-4b42-b498-fb764a21fbfe","created_at":"2025-09-04T00:47:14.894Z","updated_at":"2025-09-04T00:47:14.894Z","parameter":"water_depth","unit":"m","value":"1.1","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"92dc91dc-678d-44c7-9d38-174a6b7150df","created_at":"2025-09-04T00:47:14.896Z","updated_at":"2025-09-04T00:47:14.896Z","parameter":"conductivity","unit":"us_cm","value":"102","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"14b2c4bc-1448-441f-9133-85ef80fc6aaa","created_at":"2025-09-04T00:47:14.899Z","updated_at":"2025-09-04T00:47:14.899Z","parameter":"air_temperature","unit":"deg_c","value":"16","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"13401b47-4fe9-466b-b368-b3eac5e4fd1b","created_at":"2025-09-04T00:47:14.902Z","updated_at":"2025-09-04T00:47:14.902Z","parameter":"water_temperature","unit":"deg_c","value":"18","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"6365b652-c106-4c22-8383-02c9eb194375","created_at":"2025-09-04T00:47:14.905Z","updated_at":"2025-09-04T00:47:14.905Z","parameter":"current_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"61eca047-a1d9-466e-8721-c0e52a9866ca","created_at":"2025-09-04T00:47:14.907Z","updated_at":"2025-09-04T00:47:14.907Z","parameter":"current_weather","unit":"nil","value":"cloudy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"ae704e9e-31a1-40dd-9a3a-265b489d8647","created_at":"2025-09-04T00:47:14.911Z","updated_at":"2025-09-04T00:47:14.911Z","parameter":"previous_weather","unit":"nil","value":"cloudy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"a244b136-fe1f-4600-acfc-b469adf7e9a9","created_at":"2025-09-04T00:47:14.914Z","updated_at":"2025-09-04T00:47:14.914Z","parameter":"previous_weather","unit":"nil","value":"rainy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"723c544f-d018-46da-a088-d04299d2be2c","created_at":"2025-09-04T00:47:14.876Z","updated_at":"2025-11-19T15:02:34.478Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="}]},{"id":"971a8048-4dbb-4c6e-afb7-3e48a3ab0b7b","created_at":"2025-09-04T00:47:10.604Z","updated_at":"2026-01-20T20:28:15.427Z","owner_id":"f3eaa7a6-3922-42c6-bb0b-8a4f567ea92a","location_id":"60147ff6-b848-4ef2-9612-7fad86416f2b","dataset_id":"a0fcff2f-8de1-42ad-942b-5bb9b0d50a3e","form_id":"a00c4685-5f8f-49b3-b401-fda531c6ed2c","observed_at":"2024-09-03T13:00:00.000Z","observed_at_local":"2024-09-03T09:00:00-04:00","notes":"Cl < 0\r\npH < 6.4\r\n\r\nRepeated pH measurements of < 6.4 over several samplings this year and in 2023 discussed with Kensington Conservancy staff. Suspect faulty test strips have caused these measurements. Have tested this sample with a non Water Rangers pH test kit and pH was 7.2.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature","current_weather","previous_weather","chlorine"],"photos":[],"permalink":"https://data.waterrangers.com/observations/155523","readings":[{"id":"994472d9-f851-4cd6-b8b1-44ba7440956d","created_at":"2025-09-04T00:47:10.624Z","updated_at":"2025-09-04T00:47:10.624Z","parameter":"ph","unit":"std_units","value":"6.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"1324752c-2d20-4a5c-b82c-3d276a4b6d1c","created_at":"2025-09-04T00:47:10.629Z","updated_at":"2025-09-04T00:47:10.629Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"4bbcaa95-8738-4d72-bb5a-e564ba97042d","created_at":"2025-09-04T00:47:10.638Z","updated_at":"2025-09-04T00:47:10.638Z","parameter":"hardness","unit":"ppm","value":"150","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"16bf5ebd-3d1b-468f-bcfb-6ee4caf13895","created_at":"2025-09-04T00:47:10.641Z","updated_at":"2025-09-04T00:47:10.641Z","parameter":"alkalinity","unit":"ppm","value":"40","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"f49ae1ba-5038-48cd-96ec-ca2b0aad643e","created_at":"2025-09-04T00:47:10.645Z","updated_at":"2025-09-04T00:47:10.645Z","parameter":"water_depth","unit":"m","value":"1.1","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"5b88043d-3816-44f8-a5eb-e22bc1a49d2b","created_at":"2025-09-04T00:47:10.655Z","updated_at":"2025-09-04T00:47:10.655Z","parameter":"conductivity","unit":"us_cm","value":"101","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"d2f25a8c-6063-4dfb-9de5-c4b08b5c0b9c","created_at":"2025-09-04T00:47:10.659Z","updated_at":"2025-09-04T00:47:10.659Z","parameter":"air_temperature","unit":"deg_c","value":"15","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"ba0ad6ec-b34d-49da-979c-61e817a3f0fe","created_at":"2025-09-04T00:47:10.661Z","updated_at":"2025-09-04T00:47:10.661Z","parameter":"water_temperature","unit":"deg_c","value":"18","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"c63145eb-ce5d-4bdc-943e-ae316a4c79da","created_at":"2025-09-04T00:47:10.664Z","updated_at":"2025-09-04T00:47:10.664Z","parameter":"current_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"d1e1f4cd-6733-4ce9-ad49-e0715bd6740d","created_at":"2025-09-04T00:47:10.666Z","updated_at":"2025-09-04T00:47:10.666Z","parameter":"current_weather","unit":"nil","value":"windy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"97e3becf-2a10-4e7e-8cee-161d11a0c466","created_at":"2025-09-04T00:47:10.670Z","updated_at":"2025-09-04T00:47:10.670Z","parameter":"previous_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"0869e71e-59af-42b9-9333-0214ef353324","created_at":"2025-09-04T00:47:10.673Z","updated_at":"2025-09-04T00:47:10.673Z","parameter":"previous_weather","unit":"nil","value":"windy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"bf2bc3a9-3fb7-4507-a782-34e15697e1a3","created_at":"2025-09-04T00:47:10.633Z","updated_at":"2025-11-19T15:02:34.478Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="}]},{"id":"691d59e4-c0d3-48c5-a6f9-bf360f6ef1ef","created_at":"2025-09-04T00:47:04.410Z","updated_at":"2026-01-20T20:28:01.368Z","owner_id":"f3eaa7a6-3922-42c6-bb0b-8a4f567ea92a","location_id":"60147ff6-b848-4ef2-9612-7fad86416f2b","dataset_id":"a0fcff2f-8de1-42ad-942b-5bb9b0d50a3e","form_id":"a00c4685-5f8f-49b3-b401-fda531c6ed2c","observed_at":"2024-07-31T12:00:00.000Z","observed_at_local":"2024-07-31T08:00:00-04:00","notes":"Cl <0\r\npH 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