Physical Parameters AssessmentInvestigator Name(s): NR1 - Liz, Bethany, Amanda, SophieCollection Date & Time: Thursday, October 3, 2019 - 2:30pmSchool: University of VermontWatershed: Lake Champlain Direct & Grand Isle BasinsRiver: Potash Brook (Lake Champlain Direct Flow)Monitoring Site: East WoodsSurrounding Development or Land Use: FarmParkResidentialForestDo you see any pipes entering into the river?: NoIs there a water treatment plant upstream?: NoCanopy Cover: 51-75%Water Appearance: Tea-coloredAverage Embeddedness: 51-75%Average Velocity: 0.38m/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: OvercastPast 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: 114.00cmTurbidity: 5.00NTU Chemical AssessmentIntroduction: Materials and Methods: Results: Temperature: 17 deg Celsius pH: 6.25 Orthophosphate: 0.108 mg/L Phosphorus: 0.039 mg/L Dissolved Oxygen: 4 mg/L Discussion: 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: 50 to 75% embedded; rocks are mostly buried (4)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: Water fills 25 to 75% of channel; < 0.5 meter deep (2)Channel Alteration: Some alteration present; usually near bridges (3)Frequency of Riffles: Occurrence of riffles common (3)Bank Stability (Left Bank): Moderately stable; 5 to 30% eroded or collapsed (3)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% covered by natural vegetation (1)Riparian Zone Width (Left Bank): Width < 6 meters; little or no riparian vegetation (1)Riparian Zone Width (Right Bank): Width < 6 meters; little or no riparian vegetation (1)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: 38 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: 5.0Group II (Moderately Sensitive) Index Value: 13.6Group III (Tolerant) Index Value: 0.0Water Quality Score for This Report: 19