{"id":"75d2f1ef-997c-48d8-9740-8e14a28c1c0c","created_at":"2019-09-03T00:49:57.256Z","updated_at":"2026-01-20T20:09:11.135Z","name":"Cooper's Marsh","slug":"cooper-s-marsh-1756482042","permalink":"https://data.waterrangers.com/locations/cooper-s-marsh-1756482042","dataset_id":"831c674e-c1ef-4394-8460-f23e3937bf8d","latitude":"45.113849","longitude":"-74.507504","country":"Canada","body_of_water":"St. Lawrence River","water_body_type":"river_or_stream","investigative":false,"tested_parameters":["chlorine","ph","hardness","air_temperature","water_temperature","current_weather","alkalinity","previous_weather","oxygen","conductivity"],"tested_equipment":["chemetrics_dissolved_oxygen_mg_l","community_scientist_interpretation","stream_thermometer_water_rangers","water_rangers_freshwater_teststrips_alkalinity","water_rangers_freshwater_teststrips_chlorine","water_rangers_freshwater_teststrips_hardness","water_rangers_freshwater_teststrips_ph","water_rangers_pen_type_conductivity_meter_low_range","water_rangers_pen_type_temperature_meter"],"reference_photo_url":null,"first_observation_at":"2018-07-31T17:19:00.000Z","last_observation_at":"2021-10-12T01:23:00.000Z"}