{"id":"80315140-6a77-4bbb-bddf-5c824b9c89c1","created_at":"2025-09-04T15:20:26.430Z","updated_at":"2026-01-20T21:13:00.494Z","owner_id":"32d3281c-5f48-43bf-b744-8bc150b5316b","location_id":"b474f8a2-6d2a-45df-9278-27b3170c85fe","dataset_id":"d66cedcd-d387-44d0-8873-e371bad6dfbc","form_id":"f496b8f2-bb6b-4e6b-9536-a22e8a15eb6d","observed_at":"2019-04-06T16:45:00.000Z","observed_at_local":"2019-04-06T12:45:00-04:00","notes":"Ducks. Small waves. Cloudy, no wind. Reminder: bring garbage bags next time. \r\n\r\nAlso took readings with phosphates strip = 30 ppm and other strip tests (alkalinity = 160; pH 8.4; total hardness 150) that differed from regular test strips noted in this observation (alkalinity 100, pH 7.2; total hardness 100).","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","chlorine","hardness","alkalinity","water_depth","conductivity","air_temperature","water_temperature"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169512","readings":[{"id":"8595ec56-5d1c-4734-9174-92dd26cad758","created_at":"2025-09-04T15:20:26.524Z","updated_at":"2025-09-04T15:20:26.524Z","parameter":"ph","unit":"std_units","value":"7.2","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"cbd6a9f5-6f6d-4617-8b0f-5e90696ed2f2","created_at":"2025-09-04T15:20:26.541Z","updated_at":"2025-09-04T15:20:26.541Z","parameter":"oxygen","unit":"mg_l","value":"9","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"f38bcdb9-a37e-4fe8-a288-66c1f77a4d9a","created_at":"2025-09-04T15:20:26.562Z","updated_at":"2025-09-04T15:20:26.562Z","parameter":"chlorine","unit":"ppm","value":"0.5","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"a0c1952b-87c8-4658-8548-f924ef3b5010","created_at":"2025-09-04T15:20:26.574Z","updated_at":"2025-09-04T15:20:26.574Z","parameter":"hardness","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":null},{"id":"7d0455c1-6f65-4a3a-b2a0-8c7fa01c57f6","created_at":"2025-09-04T15:20:26.606Z","updated_at":"2025-09-04T15:20:26.606Z","parameter":"alkalinity","unit":"ppm","value":"100","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"9f55b27e-38bf-43e1-828f-59fe6fc17e00","created_at":"2025-09-04T15:20:26.618Z","updated_at":"2025-09-04T15:20:26.618Z","parameter":"water_depth","unit":"m","value":"0.2","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"5ae483b3-ebbc-402d-b3d1-902452f9073f","created_at":"2025-09-04T15:20:26.639Z","updated_at":"2025-09-04T15:20:26.639Z","parameter":"conductivity","unit":"us_cm","value":"400","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"946bfe3c-3086-48ea-ab2d-fe6d5e53d17e","created_at":"2025-09-04T15:20:26.649Z","updated_at":"2025-09-04T15:20:26.649Z","parameter":"air_temperature","unit":"deg_c","value":"9","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"f223853f-2b2e-4f3e-9f09-2734b103ec7a","created_at":"2025-09-04T15:20:26.654Z","updated_at":"2025-09-04T15:20:26.654Z","parameter":"water_temperature","unit":"deg_c","value":"6","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null}]}