{"id":"4bc1ab2c-89be-4a52-9e35-b4235495cb17","created_at":"2025-09-04T15:19:48.170Z","updated_at":"2026-07-09T16:20:58.225Z","owner_id":"32d3281c-5f48-43bf-b744-8bc150b5316b","location_id":"8621044d-313d-43af-854d-fdf7bde74b66","dataset_id":"d66cedcd-d387-44d0-8873-e371bad6dfbc","form_id":"f496b8f2-bb6b-4e6b-9536-a22e8a15eb6d","observed_at":"2018-07-19T23:24:00.000Z","observed_at_local":"2018-07-19T19:24:00-04:00","notes":"We tested the water. Then we built a castle.","checked":"review_needed","qa_notes":"Review needed: Conductivity's result of 761μS/cm is outside the expected range of 88.09-755.11μS/cm (3.0 standard deviations from the historical mean for this location).","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","secchi_depth","chlorine","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":["http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNndvQVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMjA6MDY6MjguOTU1WiIsInB1ciI6ImJsb2JfaWQifX0=--3bca5286152563dc52e8e5722ab53adb3ea6f2bc/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/IMG_3250-use%20cut.jpg","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBNjBvQVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMjA6MDY6MjguOTU4WiIsInB1ciI6ImJsb2JfaWQifX0=--7d99462937e4c2e86da30c27d6987f092b753173/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/IMG_3247-use.jpg","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBeE1yQVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMjA6MDY6MjguOTYwWiIsInB1ciI6ImJsb2JfaWQifX0=--e44260e054b26e3ca0ca3a4ef7922bbdf3682d5e/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/IMG_3268-use.jpg","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBeHNyQVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMjA6MDY6MjguOTYzWiIsInB1ciI6ImJsb2JfaWQifX0=--cf98bb3949bb611a15066c9dc4753cfb6344e4cd/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/IMG_3270-use.jpg","http://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBeE10QVE9PSIsImV4cCI6IjIwMjYtMTAtMzFUMjA6MDY6MjguOTY1WiIsInB1ciI6ImJsb2JfaWQifX0=--24a76ed25732a084f34d5afaaebd44342a0bc7fb/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/IMG_3265-use.jpg"],"permalink":"https://data.waterrangers.com/observations/169357","readings":[{"id":"7ffe6cb7-cc30-4e74-8685-c0d0a7f827fb","created_at":"2025-09-04T15:19:48.327Z","updated_at":"2025-09-04T15:19:48.327Z","parameter":"ph","sub_question":null,"qualitative":false,"unit":"std_units","value":"7.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"6a4819d5-8307-4223-b169-d088bcfd5057","created_at":"2025-09-04T15:19:48.333Z","updated_at":"2025-09-04T15:19:48.333Z","parameter":"secchi_depth","sub_question":null,"qualitative":false,"unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"fcd5cfed-79d3-4e4f-9269-bda90c4cb811","created_at":"2025-09-04T15:19:48.342Z","updated_at":"2025-09-04T15:19:48.342Z","parameter":"chlorine","sub_question":null,"qualitative":false,"unit":"ppm","value":"0.1","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"8cd19b00-dbeb-47d2-bd6e-65ae69369e18","created_at":"2025-09-04T15:19:48.354Z","updated_at":"2025-09-04T15:19:48.354Z","parameter":"hardness","sub_question":null,"qualitative":false,"unit":"ppm","value":"200","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"3aed2bbd-8b7e-44e0-baa7-2258809dd952","created_at":"2025-09-04T15:19:48.368Z","updated_at":"2025-09-04T15:19:48.368Z","parameter":"alkalinity","sub_question":null,"qualitative":false,"unit":"ppm","value":"120","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"6efdbbfd-051e-440c-9553-b5cb210ff556","created_at":"2025-09-04T15:19:48.389Z","updated_at":"2025-09-04T15:19:48.389Z","parameter":"water_depth","sub_question":null,"qualitative":false,"unit":"m","value":"0.20","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"ce204c22-ef1f-4e98-b496-e9a81b424a5e","created_at":"2025-09-04T15:19:48.400Z","updated_at":"2025-09-04T15:19:48.400Z","parameter":"conductivity","sub_question":null,"qualitative":false,"unit":"us_cm","value":"761","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"79ffbe2a-7cf7-408c-b227-ef6f7aba72be","created_at":"2025-09-04T15:19:48.409Z","updated_at":"2025-09-04T15:19:48.409Z","parameter":"air_temperature","sub_question":null,"qualitative":false,"unit":"deg_c","value":"24","equipment":"stream_thermometer_water_rangers","equipment_limi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