Physical Parameters AssessmentInvestigator Name(s): D. KuhnCollection Date & Time: Friday, May 17, 2019 - 9:00amSchool: Edmunds Middle SchoolWatershed: Winooski BasinRiver: Potash Brook (Lake Champlain Direct Flow)Monitoring Site: Queen City Water Treatment PlanSite Description: Open forest near treatment plant leading out to lake.Surrounding Development or Land Use: ForestRoad Along BankDo you see any pipes entering into the river?: YesIs there a water treatment plant upstream?: YesCanopy Cover: 51-75%Water Appearance: ClearWater Odor: OdorlessAverage Embeddedness: 51-75%Average Velocity: 0.77m/sPhysical Summary: Good shape.WeatherPresent: OvercastPast 48 Hours: OvercastShowersAverage Transparency/Turbidity No Impact: >60 cm - 17cm = 0-50 ntu Possible Impact: 17 - 8cm = 65-150 ntu Impacted: 8 - < 6 cm = >150 ntu Height of Water Column: 118.00cmTurbidity: 1.00NTU Chemical AssessmentAverage Temperature: 11.00°CAverage pH: 7.30Average Orthophosphate PO4-3: 0.14mg/LAverage Dissolved Oxygen: 16.00mg/LField Notes: Good shape Stream Habitat AssessmentStreambed CoverRock ledges: 0Submerged logs, stumps, or tree roots: 0Large rocks: 0Artificial objects: 0Other: 0Stream Habitat Quality ScoreCalculated by adding all of the points from the above fields. 18-22 (Excellent) 11-17 (Good) 6-10 (Fair) 0-5 (Poor)Stream Habitat Quality Score for This Report: 0 Biological AssessmentPT Group 1 (Intolerant)# of Taxa: 4PT Group 2 (Moderately Intolerant)# of Taxa: 1PT Group 3 (Fairly Tolerant)# of Taxa: 1PT Group 4 (Very Tolerant)# of Taxa: 1Pollution Tolerance Index RatingCalculated as follows: 4*(# of Taxa in PT Group 1) + 3*(# of Taxa in PT Group 2) + 2*(# of Taxa in PT Group 3) + 1*(# of Taxa in PT Group 4) 23+ (Excellent) 17-22 (Good) 11-16 (Fair) 0-10 (Poor) PTI Rating for This Report: 22.00