Physical Parameters AssessmentInvestigator Name(s): ClassCollection Date & Time: Wednesday, October 26, 2016 - 1:30pmSchool: Essex Edge Academy - Essex Middle SchoolWatershed: Lake Champlain Direct & Grand Isle BasinsRiver: Winooski RiverMonitoring Site: Field Behind SchoolSurrounding Development or Land Use: FarmParkForestRoad Along BankDo you see any pipes entering into the river?: NoIs there a water treatment plant upstream?: NoCanopy Cover: 51-75%Water Appearance: ClearWater Odor: OdorlessAverage Embeddedness: 0-25%WeatherPresent: OvercastPast 48 Hours: Steady RainAverage 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: 12.00cm Chemical AssessmentAverage Temperature: 6.00°CAverage pH: 5.20Average Orthophosphate PO4-3: 0.09mg/LAverage Dissolved Oxygen: 11.00mg/L Stream Habitat AssessmentStreambed Composition: Mostly silt (0)Streambank Stability: Moderately stable banks – some areas of erosion visible (1)Deepest pool is at least: Ankle deep (0)Velocity: Slow – hardly any flow (0)Riparian Vegetation: Mixture of trees, shrubs, and grasses (3)Riparian Vegetative Zone Width: Buffer zone is between 50 and 100 feet (2)Streambed CoverRock ledges: 0Submerged logs, stumps, or tree roots: 0Large rocks: 0Artificial objects: 0Other: 1Stream 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: 7 Biological AssessmentPT Group 1 (Intolerant)# of Taxa: 0PT Group 2 (Moderately Intolerant)Cranefly Larvae: 3# of Taxa: 3PT Group 3 (Fairly Tolerant)# of Taxa: 0PT Group 4 (Very Tolerant)# of Taxa: 0Pollution 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: 9.00