{"id":"369e7e8b-1e97-4751-82b9-3bcbaf34723a","created_at":"2025-09-04T15:30:14.948Z","updated_at":"2026-01-20T21:14:59.496Z","owner_id":"7dbb0885-3226-4954-884c-a391a4ff2e97","location_id":"bbe14cf4-ce66-4407-87c4-50d4b9bc7425","dataset_id":"b4eea39f-7972-4018-82c6-5ca6d39c9bc4","form_id":"df56f42c-937c-409a-966e-fe2cbd9e1ee6","observed_at":"2018-08-27T20:40:00.000Z","observed_at_local":"2018-08-27T16:40:00-04:00","notes":"Total chlorine 0.5 mg/L; entered in chloride data field\r\nWeather:  now - cloudy, east wind;  last 25 hr - cloudy with intermittent rain\r\nWhite foam on surface of water (photo)\r\nDead bug bodies on surface of water\r\nNo aquatic vegetation at site\r\nAssisted by:  Juan Baker, Playa del Carmen, Yucatan, Mexico","checked":"review_needed","qa_notes":"Review needed: chloride's result of 0.5ppm is below the normal range of 12.0ppm.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["hardness","ph","oxygen","secchi_depth","chloride","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":["https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBMElyQVE9PSIsImV4cCI6IjIwMjYtMDUtMDlUMTY6MTE6MjkuNjgwWiIsInB1ciI6ImJsb2JfaWQifX0=--f465e58ca08020f1c931ceacd35bcc54ea481d92/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJU2xCSEJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--7ad7eb0934c77c507a75fddf54a256512e915d4e/IMG_7344.JPG","https://d27925nfpi4rwv.cloudfront.net/rails/active_storage/representations/proxy/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBeUF0QVE9PSIsImV4cCI6IjIwMjYtMDUtMDlUMTY6MTE6MjkuNjg0WiIsInB1ciI6ImJsb2JfaWQifX0=--79b32ac384f7dba34b73a3e070947d0666b04c59/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCem9MWm05eWJXRjBTU0lJU2xCSEJqb0dSVlE2RTNKbGMybDZaVjkwYjE5bWFXeHNXd2RwQXBBQmFRS1FBUT09IiwiZXhwIjpudWxsLCJwdXIiOiJ2YXJpYXRpb24ifX0=--7ad7eb0934c77c507a75fddf54a256512e915d4e/IMG_7343.JPG"],"permalink":"https://data.waterrangers.com/observations/169833","readings":[{"id":"877154c5-2f0d-4d72-8fc0-667bb098858b","created_at":"2025-09-04T15:30:15.007Z","updated_at":"2025-09-04T15:30:15.007Z","parameter":"ph","unit":"std_units","value":"7.2","equipment":"unspecified_ph","equipment_limit":null},{"id":"696161ed-9413-441b-b00e-850aebad8773","created_at":"2025-09-04T15:30:15.016Z","updated_at":"2025-09-04T15:30:15.016Z","parameter":"oxygen","unit":"mg_l","value":"8","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"b429cae5-ab28-4cad-a9f2-6a5727a5aa2e","created_at":"2025-09-04T15:30:15.022Z","updated_at":"2025-09-04T15:30:15.022Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"b0b28c4c-4db5-46f7-944f-eb59b2ac58e9","created_at":"2025-09-04T15:30:15.028Z","updated_at":"2025-09-04T15:30:15.028Z","parameter":"chloride","unit":"ppm","value":"0.5","equipment":"unspecified_chloride","equipment_limit":null},{"id":"49213126-48a8-4be8-9092-06ee13b07cb1","created_at":"2025-09-04T15:30:15.043Z","updated_at":"2025-09-04T15:30:15.043Z","parameter":"alkalinity","unit":"mg_l","value":"20","equipment":"unspecified_alkalinity","equipment_limit":null},{"id":"783b3110-d997-4048-8324-32db1bc46931","created_at":"2025-09-04T15:30:15.061Z","updated_at":"2025-09-04T15:30:15.061Z","parameter":"water_depth","unit":"m","value":"0.9","equipment":"unspecified_water_depth","equipment_limit":null},{"id":"8909628d-e01b-4902-9149-eab2712c6152","created_at":"2025-09-04T15:30:15.084Z","updated_at":"2025-09-04T15:30:15.084Z","parameter":"conductivity","unit":"us_cm","value":"55","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"562b989d-011e-4df0-bc3e-377ee778ed81","created_at":"2025-09-04T15:30:15.099Z","updated_at":"2025-09-04T15:30:15.099Z","parameter":"air_temperature","unit":"deg_c","value":"23.5","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"2dc70e70-ad99-4408-b5a6-361610212fa3","created_at":"2025-09-04T15:30:15.106Z","updated_at":"2025-09-04T15:30:15.106Z","parameter":"water_temperature","unit":"deg_c","value":"23.6","equipment":"unspecified_water_temperature","equipment_limit":null},{"id":"405be752-4d5b-4e8e-8986-b424e87cb8d0","created_at":"2025-09-04T15:30:15.035Z","updated_at":"2025-11-19T15:02:45.612Z","parameter":"hardness","unit":"mg_l","value":"0","equipment":"unspecified_hardness","equipment_limit":"<="}]}