Physical Parameters AssessmentInvestigator Name(s): Student 1Collection Date & Time: Thursday, June 2, 2016 - 1:00pmSchool: Browns River Middle SchoolWatershed: Lamoille BasinRiver: Lamoille RiverMonitoring Site: Browns RiverSite Description: Shady areas with rocky banks and shrubs around flowing riverSurrounding Development or Land Use: FarmParkResidentialForestDo you see any pipes entering into the river?: NoIs there a water treatment plant upstream?: NoCanopy Cover: 26-50%Water Appearance: ClearTea-coloredWater Odor: OdorlessAverage Embeddedness: 51-75%Average Velocity: 1.00m/sExact LocationLatitude: 44.52Longitude: -72.94WeatherPresent: OvercastPast 48 Hours: Clear/SunnyHeavy 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: 127.00cmTurbidity: 0.00NTU Chemical AssessmentAverage Temperature: 18.00°CAverage pH: 7.00Average Orthophosphate PO4-3: 0.01mg/LAverage Dissolved Oxygen: 12.00mg/L Stream Habitat AssessmentDeepest pool is at least: Knee deep (1)Velocity: Fast – quickly takes objects downstream (2)Riparian Vegetation: Mixture of trees, shrubs, and grasses (3)Riparian Vegetative Zone Width: Buffer zone is between 25 and 50 feet (1)Streambed CoverRock ledges: 0Submerged logs, stumps, or tree roots: 1Large 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: 9 Biological AssessmentPT Group 1 (Intolerant)Stonefly Nymph: 2Mayfly Nymph: 4Caddis Fly Larvae: 3# of Taxa: 3PT Group 2 (Moderately Intolerant)Cranefly Larvae: 2# of Taxa: 1PT 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: 15.00