Physical Parameters AssessmentInvestigator Name(s): NR 1 Ben, Alyssa, WillCollection Date & Time: Sunday, October 16, 2016 - 3:30pmSchool: University of VermontWatershed: Lake Champlain Direct & Grand Isle BasinsRiver: Potash Brook (Lake Champlain Direct Flow)Monitoring Site: East WoodsSite Description: Rocks of various sizes in stream. Forested area near a road and residential/commercial area.Surrounding Development or Land Use: ParkResidentialForestDo 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: 26-50%Average Velocity: 0.19m/sExact LocationThis will be used to locate your collection site on our interactive map. You can use this tool if you need help finding the coordinates.Latitude: 44.45Longitude: -73.20WeatherPresent: ShowersPast 48 Hours: Clear/SunnyOvercastShowersAverage 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: 120.00cm Chemical AssessmentResults: Temperature: 12.5 deg Celsius pH: 6.5 Orthophosphate: 0.19 mg/L Phosphorus: 0.0619 mg/L Dissolved Oxygen: 10mg/L Stream Habitat AssessmentGood Habitat: Score of 80 to 60 ----- Fair Habitat: Score of 59 to 40 ----- Poor Habitat: Score of 39 to 0Substrate Habitat Types: Trees that have fallen into riverUndercut banksCobble or larger rocksOther stable substrate materialsSubstrate Habitat Types (Score): 40 to 70% has mix of stable habitat types (6)Embeddedness: 0 to 25% embedded; rocks easy to move (8)Sediment Deposition: > 50% of riverbed changing frequently (2)Velocity / Depth Types: Slow & shallowFast & shallowVelocity / Depth Types (Score): 2 velocity/depth types present (4)Channel Flow Status: Very little water in channel; mostly present in standing pools (1)Channel Alteration: Alteration minimal; river with natural pattern (4)Frequency of Riffles: Occurrence of riffles very frequent (4)Bank Stability (Left Bank): Somewhat unstable; 30 to 60% eroded or collapsed (2)Bank Stability (Right Bank): Somewhat unstable; 30 to 60% eroded or collapsed (2)Riparian Vegetation (Left Bank): 50 to 70% covered by natural vegetation (2)Riparian Vegetation (Right Bank): 50 to 70% covered by natural vegetation (2)Riparian Zone Width (Left Bank): Width > 18 meters; no human impact (4)Riparian Zone Width (Right Bank): Width > 18 meters; no human impact (4)Stream Habitat Quality ScoreCalculated by adding all of the points from the above fields. 60-80 (Good) 40-59 (Fair) 0-39 (Poor)Stream Habitat Quality Score for This Report: 45 Biological AssessmentThe Water Quality Score is calculated by adding together the the Index Values calculated for each Sensitivity Group on the field sheet. 40+ (Excellent) 30-39 (Good) 20-29 (Fair) 0-19 (Poor) Group I (Sensitive) Index Value: 15.0Group II (Moderately Sensitive) Index Value: 3.2Group III (Tolerant) Index Value: 0.0Water Quality Score for This Report: 18