November 30, 2025 at 3:59 PM QA status: Reviewed: quality check complete Weather observations Current weather Community scientist interpretation Windy Cloudy Weather in the past 24hrs Community scientist interpretation Rainy Weather in the past 24hrs description Community scientist interpretation Snowing Chemistry tests pH Taylor teststrips (pH) ≥ 8.4 Regulatory Oxygen Chemetrics ampoules (dissolved oxygen) 8.0 mg/L Regulatory Chlorine Taylor teststrips (chlorine) ≤ 0 ppm Hardness Taylor teststrips (hardness) 400 ppm Alkalinity Taylor teststrips (alkalinity) 120 ppm Conductivity Water Rangers pen-type meter (conductivity) 1,999 μS/cm Air temperature Water Rangers (stream thermometer) and/or weather app 0 °C Water temperature Water Rangers pen-type meter (temperature) 4.2 °C
About this observation Data collector Edwin Yu Observation at this location Carville Mill Park View trends at this location Dataset Youth-led Citizen Science Watershed Sampling