{"id":"b95f45ef-dc14-461a-954a-2f4df419b001","created_at":"2026-06-11T21:41:22.152Z","updated_at":"2026-06-12T14:56:06.779Z","name":"River Calder (Nr M6 / Motorway Lake)","slug":"river-calder","permalink":"https://data.waterrangers.com/locations/river-calder","dataset_id":"7287e506-dbf9-4896-8c1c-5e052692f223","latitude":"53.884995","longitude":"-2.743604","country":"United Kingdom","body_of_water":"River Calder","water_body_type":"river_or_stream","investigative":false,"tested_parameters":["water_temperature","ph","current_weather","rain_previous_24hrs","conductivity","total_dissolved_solids_tds","oxygen"],"tested_equipment":["unspecified_water_temperature","unspecified_ph","community_scientist_interpretation","unspecified_conductivity","unspecified_tds","unspecified_oxygen_mg_l","unspecified_oxygen_percent"],"reference_photo_url":null,"first_observation_at":"2025-12-06T13:50:00.000Z","last_observation_at":"2025-12-06T13:50:00.000Z"}