{"id":"64b450ca-8dc8-4b00-81df-de72efc0a9c9","created_at":"2025-09-04T00:30:26.748Z","updated_at":"2026-01-20T20:24:11.184Z","owner_id":"8a3c3360-0293-4b32-8b8d-5c9030ccd24c","location_id":"87b2e418-b247-49ea-b3f2-9cf4371c598a","dataset_id":"5d0b5d51-a2d3-40e3-9fe7-38df4702dbe9","form_id":"df56f42c-937c-409a-966e-fe2cbd9e1ee6","observed_at":"2018-06-23T22:20:00.000Z","observed_at_local":"2018-06-23T18:20:00-04:00","notes":"Very windy, white caps on the water surface.\r\nBubbles and white foam on water surface.\r\nA couple motorized watercraft on the river.","checked":"review_needed","qa_notes":"Review needed: Based on previous readings, oxygen's result of 12mg/L is outside the expected range of 0.55-9.45mg/L.","qa_admin_notes":"","qa_admin_notes_author_id":null,"qa_admin_notes_updated_at":null,"tested_parameters":["ph","oxygen","secchi_depth","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/147038","readings":[{"id":"0b848d5f-6c88-4b37-aa43-030ae3870e2d","created_at":"2025-09-04T00:30:26.807Z","updated_at":"2025-09-04T00:30:26.807Z","parameter":"ph","unit":"std_units","value":"6.8","equipment":"unspecified_ph","equipment_limit":null},{"id":"a3590b0e-a1b6-44df-8899-b7265fcc688c","created_at":"2025-09-04T00:30:26.814Z","updated_at":"2025-09-04T00:30:26.814Z","parameter":"oxygen","unit":"mg_l","value":"12","equipment":"unspecified_oxygen_mg_l","equipment_limit":null},{"id":"acfd0953-5dfe-490a-9fd5-fca4d3a70f80","created_at":"2025-09-04T00:30:26.819Z","updated_at":"2025-09-04T00:30:26.819Z","parameter":"secchi_depth","unit":"m","value":"2.0","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"a851a374-53c4-42c5-8edd-74a50ad17a2b","created_at":"2025-09-04T00:30:26.825Z","updated_at":"2025-09-04T00:30:26.825Z","parameter":"hardness","unit":"mg_l","value":"100","equipment":"unspecified_hardness","equipment_limit":null},{"id":"89e01bf2-0482-419f-b9fb-43157a2270a4","created_at":"2025-09-04T00:30:26.832Z","updated_at":"2025-09-04T00:30:26.832Z","parameter":"alkalinity","unit":"mg_l","value":"40","equipment":"unspecified_alkalinity","equipment_limit":null},{"id":"02710ed6-9146-48b9-994a-381c1ed56685","created_at":"2025-09-04T00:30:26.845Z","updated_at":"2025-09-04T00:30:26.845Z","parameter":"water_depth","unit":"m","value":"2","equipment":"unspecified_water_depth","equipment_limit":null},{"id":"15570e8f-cd38-4b3a-a849-fe86a91260d4","created_at":"2025-09-04T00:30:26.850Z","updated_at":"2025-09-04T00:30:26.850Z","parameter":"conductivity","unit":"us_cm","value":"81","equipment":"unspecified_conductivity","equipment_limit":null},{"id":"fff29a13-af0a-43eb-8dec-4061f831ec93","created_at":"2025-09-04T00:30:26.868Z","updated_at":"2025-09-04T00:30:26.868Z","parameter":"air_temperature","unit":"deg_c","value":"18","equipment":"unspecified_air_temperature","equipment_limit":null},{"id":"c72b1cee-03ac-476d-876e-53d43b1f5e39","created_at":"2025-09-04T00:30:26.879Z","updated_at":"2025-09-04T00:30:26.879Z","parameter":"water_temperature","unit":"deg_c","value":"19","equipment":"unspecified_water_temperature","equipment_limit":null}]}