Physical Parameters AssessmentInvestigator Name(s): NR1 - Kayla, Colby, JoCollection Date & Time: Wednesday, October 12, 2016 - 2:30pmSchool: University of VermontWatershed: Lake Champlain Direct & Grand Isle BasinsRiver: Potash Brook (Lake Champlain Direct Flow)Monitoring Site: East WoodsExact 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: 44.01Longitude: -73.20 Chemical AssessmentResults: Temperature: 12 deg Celsius pH: 6.5 Orthophosphate:0.36 mg/L Phosphorus: 0.1173 mg/L Dissolved Oxygen: 13 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 riverUndercut banksCobble or larger rocksSubstrate Habitat Types (Score): 40 to 70% has mix of stable habitat types (6)Embeddedness: 50 to 75% embedded; rocks are mostly buried (4)Sediment Deposition: 30 to 50% of riverbed effected by new deposition (4)Velocity / Depth Types: Slow & shallowVelocity / Depth Types (Score): 1 velocity/depth type present (2)Channel Flow Status: Water fills 25 to 75% of channel; < 0.5 meter deep (2)Channel Alteration: Alteration minimal; river with natural pattern (4)Frequency of Riffles: Occasional riffles (2)Bank Stability (Left Bank): Somewhat unstable; 30 to 60% eroded or collapsed (2)Bank Stability (Right Bank): Moderately stable; 5 to 30% eroded or collapsed (3)Riparian Vegetation (Left Bank): < 50% covered by natural vegetation (1)Riparian Vegetation (Right Bank): < 50% covered by natural vegetation (1)Riparian Zone Width (Left Bank): Width > 18 meters; no human impact (4)Riparian Zone Width (Right Bank): Width 6 to 12 meters; much human impact (2)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: 37 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: 25.0Group II (Moderately Sensitive) Index Value: 0.0Group III (Tolerant) Index Value: 0.0Water Quality Score for This Report: 25