{"id":"4e2d3f71-ec96-421f-beb7-cdd353227f47","created_at":"2025-09-04T15:20:05.895Z","updated_at":"2026-01-20T21:12:50.400Z","owner_id":"7ed09a7e-518a-4e92-aa8a-3c22a2ef1422","location_id":"ef1ef7ab-191a-427a-8056-f3ac715173dd","dataset_id":"d66cedcd-d387-44d0-8873-e371bad6dfbc","form_id":"f496b8f2-bb6b-4e6b-9536-a22e8a15eb6d","observed_at":"2018-09-03T18:16:00.000Z","observed_at_local":"2018-09-03T14:16:00-04:00","notes":"Sample taken standing in the water off shore at the beach. Clouds and wind picking up on a hot day. \r\nI was surprised by the low hardness reading. ","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","chlorine","alkalinity","water_depth","conductivity","air_temperature","water_temperature","hardness"],"photos":[],"permalink":"https://data.waterrangers.com/observations/169459","readings":[{"id":"836fa826-e007-43a0-89fc-189ea12e405c","created_at":"2025-09-04T15:20:05.966Z","updated_at":"2025-09-04T15:20:05.966Z","parameter":"ph","unit":"std_units","value":"7.4","equipment":"water_rangers_freshwater_teststrips_ph","equipment_limit":null},{"id":"3ee4d410-f2e7-46ba-9ad5-25427d638cf2","created_at":"2025-09-04T15:20:06.004Z","updated_at":"2025-09-04T15:20:06.004Z","parameter":"oxygen","unit":"mg_l","value":"6","equipment":"chemetrics_dissolved_oxygen_mg_l","equipment_limit":null},{"id":"fecc886c-6a8f-4f52-837d-e3a7b7771d7f","created_at":"2025-09-04T15:20:06.013Z","updated_at":"2025-09-04T15:20:06.013Z","parameter":"secchi_depth","unit":"m","value":"bottom_visible","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"d35c2efb-d0ce-4d9c-82be-6b8ab246d070","created_at":"2025-09-04T15:20:06.023Z","updated_at":"2025-09-04T15:20:06.023Z","parameter":"chlorine","unit":"ppm","value":".5","equipment":"water_rangers_freshwater_teststrips_chlorine","equipment_limit":null},{"id":"1c04b37f-09e7-43fe-852c-218b348cad49","created_at":"2025-09-04T15:20:06.040Z","updated_at":"2025-09-04T15:20:06.040Z","parameter":"alkalinity","unit":"ppm","value":"40","equipment":"water_rangers_freshwater_teststrips_alkalinity","equipment_limit":null},{"id":"3a71bba2-8ba4-4d66-b15e-02ae78426e35","created_at":"2025-09-04T15:20:06.043Z","updated_at":"2025-09-04T15:20:06.043Z","parameter":"water_depth","unit":"m","value":"0.5","equipment":"secchi_disk_20cm","equipment_limit":null},{"id":"dbd885ed-f4cd-4ea0-af5e-74e766cd4d3d","created_at":"2025-09-04T15:20:06.068Z","updated_at":"2025-09-04T15:20:06.068Z","parameter":"conductivity","unit":"us_cm","value":"73","equipment":"water_rangers_pen_type_conductivity_meter_low_range","equipment_limit":null},{"id":"fe4bc5df-dc91-402d-b2f9-d9337c233f9c","created_at":"2025-09-04T15:20:06.085Z","updated_at":"2025-09-04T15:20:06.085Z","parameter":"air_temperature","unit":"deg_c","value":"30","equipment":"stream_thermometer_water_rangers","equipment_limit":null},{"id":"fe58520b-6b27-43ca-a020-2340fa0edf39","created_at":"2025-09-04T15:20:06.092Z","updated_at":"2025-09-04T15:20:06.092Z","parameter":"water_temperature","unit":"deg_c","value":"24.6","equipment":"water_rangers_pen_type_temperature_meter","equipment_limit":null},{"id":"1b585c3f-696d-413c-a1da-7874fdc0c7cf","created_at":"2025-09-04T15:20:06.035Z","updated_at":"2025-11-19T15:02:43.912Z","parameter":"hardness","unit":"ppm","value":"0","equipment":"water_rangers_freshwater_teststrips_hardness","equipment_limit":"<="}]}