{"id":"29264342-e29d-4c80-b585-277fa8b468a0","created_at":"2024-10-04T20:46:13.178Z","updated_at":"2025-12-31T15:07:35.327Z","name":"Costons Brook Northolt","slug":"costons-brook-northolt","permalink":"https://data.waterrangers.com/locations/costons-brook-northolt","dataset_id":"76203aee-4d33-4a3d-9b50-e2ebff1b3c79","latitude":"51.54428","longitude":"-0.370088","country":"United Kingdom","body_of_water":"Costons Upper Northolt","water_body_type":"river_or_stream","investigative":false,"tested_parameters":["previous_weather","total_dissolved_solids_tds","current_weather","previous_weather_description","ammonia","conductivity","phosphates","water_temperature"],"tested_equipment":["community_scientist_interpretation","community_scientist_interpretation_env","hanna_checker_ammonia_low_range","hanna_checker_phosphates_low_range","other_pen_type_conductivity_meter_us_cm","other_pen-type_tds_meter","other_thermometer"],"reference_photo_url":null,"first_observation_at":"2024-02-15T16:00:00.000Z","last_observation_at":"2024-11-26T16:00:00.000Z"}