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5.19-7.41mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","e_coli","oxygen","turbidity","alkalinity","water_depth","other_coliform","total_coliform","air_temperature","incubation_time","water_temperature","incubation_temperature","current_weather","current_weather_description","previous_weather","hardness"],"photos":["https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBc25GIiwiZXhwIjoiMjAyNi0wNS0wOVQwMTo0MzoyOS41NTlaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--a9160bb0ba01920852510dd8e72608da58389eb2/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/1-2023%20conditions.jpg","https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBb0RHIiwiZXhwIjoiMjAyNi0wNS0wOVQwMTo0MzoyOS41NjFaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--56260c9679a93646c3699d98aa7e7e745d71ea89/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/1-2023%20Walkiah%20Bluff.jpg","https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBcVBHIiwiZXhwIjoiMjAyNi0wNS0wOVQwMTo0MzoyOS41NjNaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--e7e124b4fecb4aa8392e2a6c41f73118efad7309/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/1-2023%20bacteria.jpg","https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBdHJHIiwiZXhwIjoiMjAyNi0wNS0wOVQwMTo0MzoyOS41NjZaIiwicHVyIjoiYmxvYl9pZCJ9fQ==--ce76ac3b71bb5dd4c6516e0e0e7ce5d942c17950/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJYW5CbkJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--137cfa046b685d2c2c17f66eaa6c647bd283e601/1-2023%20chem.jpg"],"permalink":"https://data.waterrangers.com/observations/117165","readings":[{"id":"c29bc874-9c36-418a-a9e6-52ed8912871b","created_at":"2025-09-01T11:47:16.875Z","updated_at":"2025-09-01T11:47:16.875Z","parameter":"previous_weather","unit":"nil","value":"sunny","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"1561bf6b-41ff-4c7d-9d31-052c55f6599a","created_at":"2025-09-01T11:47:16.878Z","updated_at":"2025-09-01T11:47:16.878Z","parameter":"previous_weather","unit":"nil","value":"windy","equipment":"community_scientist_interpretation","equipment_limit":null},{"id":"f7a00af2-6523-4874-9f86-9d21dd9578a1","created_at":"2025-09-01T11:47:16.637Z","updated_at":"2025-09-01T11:47:16.637Z","parameter":"ph","unit":"std_units","value":"6.5","equipment":"lamotte_precision_ph","equipment_limit":null},{"id":"a5f6b42c-1300-4537-ab11-746c4f7b1528","created_at":"2025-09-01T11:47:16.643Z","updated_at":"2025-09-01T11:47:16.643Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"300","equipment":"r_card_ecca","equipment_limit":null},{"id":"9dd29f9e-24f2-40cf-bbd0-15a28bf2aa93","created_at":"2025-09-01T11:47:16.652Z","updated_at":"2025-09-01T11:47:16.652Z","parameter":"e_coli","unit":"cfu_per_100ml","value":"100","equipment":"r_card_ecca","equipment_limit":null},{"id":"57b21e98-ef99-44ac-a57d-f91afbdb73c7","created_at":"2025-09-01T11:47:16.657Z","updated_at":"2025-09-01T11:47:16.657Z","parameter":"oxygen","unit":"mg_l","value":"9.9","equipment":"lamotte_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"423374c0-a536-4c99-ae2c-029cfa2f670b","created_at":"2025-09-01T11:47:16.667Z","updated_at":"2025-09-01T11:47:16.667Z","parameter":"turbidity","unit":"jtu","value":"15","equipment":"lamotte_turbidity","equipment_limit":null},{"id":"0f99f5a3-f545-4d9a-8960-cafbaa4982ff","created_at":"2025-09-01T11:47:16.672Z","updated_at":"2025-09-01T11:47:16.672Z","parameter":"alkalinity","unit":"ppm","value":"35","equipment":"lamotte_alkalinity","equipment_limit":null},{"id":"f8c3b53f-d7c9-4ec8-976d-38d736bc62c4","created_at":"2025-09-01T11:47:16.677Z","updated_at":"2025-09-01T11:47:16.677Z","parameter":"water_depth","unit":"m","value":"0.3","equipment":"ruler_m","equipment_limit":null},{"id":"7434fb7b-7582-4a45-803f-3bf2c235e4c1","created_at":"2025-09-01T11:47:16.681Z","updated_at":"2025-09-01T11:47:16.681Z","parameter":"other_coliform","unit":"cfu_per_100ml","value":"2900","equipment":"r_card_ecca","equipment_limit":null},{"id":"6714db04-d843-40df-ace4-5b43eb5bf1fb","created_at":"2025-09-01T11:47:16.686Z","updated_at":"2025-09-01T11:47:16.686Z","parameter":"other_coliform","unit":"cfu_per_100ml","value":"2700","equipment":"r_card_ecca","equipment_limit":null},{"id":"d2c60ad2-ec8c-466d-86eb-26f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