Physical Parameters AssessmentInvestigator Name(s): Reilly, Lauren, Emma, RobynCollection Date & Time: Tuesday, October 11, 2016 - 3:00pmSchool: University of VermontWatershed: Lake Champlain Direct & Grand Isle BasinsRiver: Potash Brook (Lake Champlain Direct Flow)Monitoring Site: East WoodsSurrounding Development or Land Use: ResidentialFactoryDo you see any pipes entering into the river?: NoIs there a water treatment plant upstream?: NoCanopy Cover: 26-50%Water Appearance: ClearWater Odor: OdorlessAverage Embeddedness: 0-25%Average Velocity: 0.17m/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: Clear/SunnyPast 48 Hours: Clear/SunnyOvercastAverage 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: 9 deg Celsius pH: 6.5 Orthophosphate: 0.1085 mg/L Phosphorus: 0.1086 mg/L Dissolved Oxygen: 11 mg/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 riverSubmerged logsUndercut banksCobble or larger rocksSubstrate Habitat Types (Score): < 20% stable habitat; substrate unstable or absent (2)Embeddedness: 25 to 50% embedded; rocks more difficult to move (6)Sediment Deposition: 5 to 30% of riverbed effected by new deposition (6)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: Generally all flat water or shallow riffles (1)Bank Stability (Left Bank): Unstable; 60 to 100% eroded or collapsed (1)Bank Stability (Right Bank): Unstable; 60 to 100% eroded or collapsed (1)Riparian Vegetation (Right Bank): < 50% covered by natural vegetation (1)Riparian Zone Width (Left Bank): Width 12 to 18 meters; minimal human impact (3)Riparian Zone Width (Right Bank): Width 12 to 18 meters; minimal human impact (3)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: 33 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: 5.6Group II (Moderately Sensitive) Index Value: 9.6Group III (Tolerant) Index Value: 0.0Water Quality Score for This Report: 15