The Best Environmental Sensor: Is EnviroDIY Water Quality Data as Good as USGS?
https://stroudcenter.org/wp-content/uploads/envirodiy-usgs-stations-white-clay-avondale.jpg 800 467 Stroud Water Research Center Stroud Water Research Center https://stroudcenter.org/wp-content/uploads/envirodiy-usgs-stations-white-clay-avondale.jpgFor National Water Quality Month and World Water Monitoring Day, we’re putting EnviroDIY to the test!