{"id":"af35e6d7-2172-4506-87bb-03a8bf3fa991","created_at":"2025-08-29T15:50:28.957Z","updated_at":"2026-01-12T19:45:20.142Z","owner_id":"40c27435-ab1e-4063-98ac-c1d95d45b8c7","location_id":"c466916b-91dd-4c27-8d1d-778ad3e09e7b","dataset_id":"f39cf41a-3300-4cdf-86f3-6b473a640c8e","form_id":"d81554b9-9c6a-4403-84f7-5da7a00d2eb6","observed_at":"2018-05-26T14:00:00.000Z","observed_at_local":"2018-05-26T10:00:00-04:00","notes":"Second test at this location. \r\nBlack Lake, Lat 44.7714. Long -76.3036.  Cloudy, calm. Lots of rain over last 3 days.  During testing saw a Blue Heron, Otter, Perch and Sunfish, and a water snake! ","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","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/108569","readings":[{"id":"836230a8-d593-429b-b8da-01345a90b21c","created_at":"2025-08-29T15:50:28.998Z","updated_at":"2025-08-29T15:50:28.998Z","parameter":"ph","unit":"std_units","value":"8.0","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"23c0bd8c-5d3f-4281-a52e-5593d0a1b38b","created_at":"2025-08-29T15:50:29.008Z","updated_at":"2025-08-29T15:50:29.008Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"344e790f-ce3a-468a-984f-68dd7eeab0ed","created_at":"2025-08-29T15:50:29.022Z","updated_at":"2025-08-29T15:50:29.022Z","parameter":"secchi_depth","unit":"m","value":"4.78","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"b6854f90-7fa8-4472-b114-c7dc70909f5d","created_at":"2025-08-29T15:50:29.029Z","updated_at":"2025-08-29T15:50:29.029Z","parameter":"hardness","unit":"ppm","value":"80","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"76e527af-fa14-412c-bdf9-3124dece5194","created_at":"2025-08-29T15:50:29.044Z","updated_at":"2025-08-29T15:50:29.044Z","parameter":"alkalinity","unit":"ppm","value":"80","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"1f4b8044-839c-4b22-9c47-7219c9f0f506","created_at":"2025-08-29T15:50:29.054Z","updated_at":"2025-08-29T15:50:29.054Z","parameter":"water_depth","unit":"m","value":"14.9","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"f2e0a973-750a-4df7-9bc2-029e9ad5da29","created_at":"2025-08-29T15:50:29.067Z","updated_at":"2025-08-29T15:50:29.067Z","parameter":"conductivity","unit":"us_cm","value":"163","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"8854a6aa-6580-4694-87f7-01a386829fc5","created_at":"2025-08-29T15:50:29.079Z","updated_at":"2025-08-29T15:50:29.079Z","parameter":"air_temperature","unit":"deg_c","value":"24.9","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"b9a2a57d-bed0-470b-a19e-e2a5b1f01057","created_at":"2025-08-29T15:50:29.096Z","updated_at":"2025-08-29T15:50:29.096Z","parameter":"water_temperature","unit":"deg_c","value":"18.3","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}