Physical Parameters AssessmentInvestigator Name(s): Shelburne Community SchoolCollection Date & Time: Wednesday, September 17, 2014 - 9:45amSchool: Shelburne Community SchoolWatershed: Lake Champlain Direct & Grand Isle BasinsRiver: LaPlatte RiverSurrounding Development or Land Use: ParkResidentialForestRoad Along BankDo you see any pipes entering into the river?: NoIs there a water treatment plant upstream?: NoCanopy Cover: 0-25%Water Appearance: ClearWater Odor: FishAverage Embeddedness: 26-50%Average Velocity: 1.30m/sExact LocationLatitude: 44.38Longitude: -73.22WeatherPresent: Clear/SunnyPast 48 Hours: Clear/SunnyAverage 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: 118.00NTU Chemical AssessmentAverage Temperature: 14.00°CAverage pH: 7.00Average Orthophosphate PO4-3: 1.00mg/LAverage Dissolved Oxygen: 7.00mg/L Stream Habitat AssessmentStreambed Composition: Mixture of cobbles, gravels, and sand (3)Streambank Stability: Moderately stable banks – some areas of erosion visible (1)Deepest pool is at least: Waist deep (2)Velocity: Moderately fast – slowly takes objects downstream (1)Riparian Vegetation: Mixture of trees, shrubs, and grasses (3)Riparian Vegetative Zone Width: Buffer zone is greater than 100 feet (3)Streambed CoverRock ledges: 1Submerged logs, stumps, or tree roots: 0Large rocks: 1Artificial 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: 15 Biological AssessmentPT Group 1 (Intolerant)Stonefly Nymph: 1Mayfly Nymph: 1Caddis Fly Larvae: 1Water Penny: 1# of Taxa: 0PT Group 2 (Moderately Intolerant)Dragonfly Nymph: 1Crayfish: 1# of Taxa: 0PT 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: 0.00