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My measurement is 6m +/- 1 m.","checked":"qc_complete","qa_notes":null,"qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","alkalinity","water_depth","conductivity","air_temperature","water_temperature","chlorine","hardness"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169535","readings":[{"id":"71b1824d-4057-407d-82cf-1a840e924a90","created_at":"2025-09-04T15:20:31.334Z","updated_at":"2025-09-04T15:20:31.334Z","parameter":"ph","unit":"std_units","value":"7.8","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"316df7ef-ef7b-43b9-a09a-a21a5330dbfa","created_at":"2025-09-04T15:20:31.339Z","updated_at":"2025-09-04T15:20:31.339Z","parameter":"oxygen","unit":"mg_l","value":"7","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"9d066917-7192-4d0d-8831-b0c67497b074","created_at":"2025-09-04T15:20:31.344Z","updated_at":"2025-09-04T15:20:31.344Z","parameter":"secchi_depth","unit":"m","value":"1.3","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"23595184-44bd-4869-849d-39558929a0fc","created_at":"2025-09-04T15:20:31.378Z","updated_at":"2025-09-04T15:20:31.378Z","parameter":"alkalinity","unit":"ppm","value":"80","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"3cf205d1-7e8b-4c34-b710-e7863f54829e","created_at":"2025-09-04T15:20:31.388Z","updated_at":"2025-09-04T15:20:31.388Z","parameter":"water_depth","unit":"m","value":"6","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"e2f34127-6efb-4d2a-92dd-bad11e623ff9","created_at":"2025-09-04T15:20:31.394Z","updated_at":"2025-09-04T15:20:31.394Z","parameter":"conductivity","unit":"us_cm","value":"135","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"08c1c734-2b8f-43dd-bf89-dad087046518","created_at":"2025-09-04T15:20:31.408Z","updated_at":"2025-09-04T15:20:31.408Z","parameter":"air_temperature","unit":"deg_c","value":"28","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"9ba93a6e-45fb-4fa2-8bf4-0801120bcb10","created_at":"2025-09-04T15:20:31.424Z","updated_at":"2025-09-04T15:20:31.424Z","parameter":"water_temperature","unit":"deg_c","value":"19.9","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"f2c4c492-d8c8-4dcb-a376-43b37c07bfa3","created_at":"2025-09-04T15:20:31.349Z","updated_at":"2025-11-19T15:02:43.912Z","parameter":"chlorine","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":"<="},{"id":"b0b5ceb0-716a-4760-bb9a-91939c055492","created_at":"2025-09-04T15:20:31.372Z","updated_at":"2025-11-19T15:02:43.912Z","parameter":"hardness","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":"<="}]},{"id":"4c3cde35-4298-459d-8c87-906ff8953b7c","created_at":"2025-09-04T15:19:52.503Z","updated_at":"2026-01-20T21:12:36.502Z","owner_id":"7ed09a7e-518a-4e92-aa8a-3c22a2ef1422","location_id":"f7070605-1701-4a63-998d-561e52b403d3","dataset_id":"d66cedcd-d387-44d0-8873-e371bad6dfbc","form_id":"f496b8f2-bb6b-4e6b-9536-a22e8a15eb6d","observed_at":"2018-07-29T17:30:00.000Z","observed_at_local":"2018-07-29T13:30:00-04:00","notes":"Sunny day.  Celebrate Our Rivers group paddle, Portage-du-Fort to Horton Boat launch.  Secchi depth from kayak, other measurements from dock. 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made off the dock during the Celebrate Our Rivers group paddle -- a demonstration of the test kit.","checked":"review_needed","qa_notes":"Review needed: chloride's result of 1mg/L is below the normal range of 12.0mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["chloride","ph","oxygen","secchi_depth","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":["https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBM3NvQVE9PSIsImV4cCI6IjIwMjYtMDYtMDFUMTU6MzA6MzguMjQ1WiIsInB1ciI6ImJsb2JfaWQifX0=--d9ee0a4d86da12c717e8a93e6d0079f8be5ea230/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/Waterstickbug%20Horton.jpg"],"permalink":"https://data.waterrangers.com/observations/169313","readings":[{"id":"fa6642ca-c70e-4db7-95f0-7eee013667b0","created_at":"2025-12-05T22:50:32.506Z","updated_at":"2025-12-05T22:50:32.506Z","parameter":"chloride","unit":"mg_l","value":"1","equipment":"hach_chloride_low_range","equipment_limit":"<"},{"id":"cf595429-87a4-45d4-a504-3fb68576bdad","created_at":"2025-09-04T15:19:38.619Z","updated_at":"2025-09-04T15:19:38.619Z","parameter":"ph","unit":"std_units","value":"8.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"07847369-3605-4e91-b4ba-836b4959b951","created_at":"2025-09-04T15:19:38.626Z","updated_at":"2025-09-04T15:19:38.626Z","parameter":"oxygen","unit":"mg_l","value":"7","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"0fbe91c0-ef2d-44db-a652-7f56dd9d36eb","created_at":"2025-09-04T15:19:38.635Z","updated_at":"2025-09-04T15:19:38.635Z","parameter":"secchi_depth","unit":"m","value":".75","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"a2907a4b-2d0f-458c-9e42-0c40fb7cd0b9","created_at":"2025-09-04T15:19:38.644Z","updated_at":"2025-09-04T15:19:38.644Z","parameter":"hardness","unit":"ppm","value":"175","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"7428ec0a-ac70-47ee-bc9e-48b081cd0cb9","created_at":"2025-09-04T15:19:38.652Z","updated_at":"2025-09-04T15:19:38.652Z","parameter":"alkalinity","unit":"ppm","value":"80","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"c784f632-4bb3-4b49-9dba-1626d881814e","created_at":"2025-09-04T15:19:38.664Z","updated_at":"2025-09-04T15:19:38.664Z","parameter":"water_depth","unit":"m","value":"1.7","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"bea060b0-6ccc-4666-bbcb-0fbc6eac3a42","created_at":"2025-09-04T15:19:38.672Z","updated_at":"2025-09-04T15:19:38.672Z","parameter":"conductivity","unit":"us_cm","value":"149","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"1a436fb5-ff8c-4d9a-a76a-ac7b8a0e124a","created_at":"2025-09-04T15:19:38.682Z","updated_at":"2025-09-04T15:19:38.682Z","parameter":"air_temperature","unit":"deg_c","value":"22","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"2e5ac664-f1da-4f5f-b3b6-ec980b3bfa48","created_at":"2025-09-04T15:19:38.690Z","updated_at":"2025-09-04T15:19:38.690Z","parameter":"water_temperature","unit":"deg_c","value":"20.9","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}]