This is an incomplete draft. Click the "Edit" tab, make sure all fields are filled, and then mark it as complete. Physical Parameters AssessmentInvestigator Name(s): Jim KelleyCollection Date & Time: Friday, May 5, 2017 - 9:15amSchool: Edmunds Middle SchoolWatershed: Lake Champlain Direct & Grand Isle BasinsRiver: Potash Brook (Lake Champlain Direct Flow)Monitoring Site: Potash Brook- East Woods 3Site Description: heavily forested, jail and commercial buildings nearby, parking lot and roads nearbySurrounding Development or Land Use: ResidentialForestRoad Along BankDo 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: 26-50%Average Velocity: 0.45m/sPhysical Summary: turbidity consistant across both locations, high=clear water=low floating sediments East woods- velocity slightly less than in Queen City, less erosion in East Woods greater canopy cover in East Woods--> cooler water-->more DO-->greater diversity!WeatherPresent: OvercastPast 48 Hours: OvercastShowersAverage 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 AssessmentAverage Temperature: 8.00°CAverage pH: 6.20Average Orthophosphate PO4-3: 0.07mg/LAverage Dissolved Oxygen: 9.00mg/LField Notes: temperature- queen city warmer, less shade DO- same as queen city, high diversity orthophosphate- higher impact than queen city pH- slightly acidic, stressful for aquatics Stream Habitat AssessmentStreambed Composition: Mixture of cobbles, gravels, and sand (3)Streambank Stability: Moderately stable banks – some areas of erosion visible (1)Deepest pool is at least: Knee deep (1)Velocity: Moderately fast – slowly takes objects downstream (1)Riparian Vegetation: Mixture of trees, shrubs, and grasses (3)Riparian Vegetative Zone Width: Buffer zone is between 50 and 100 feet (2)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: 13 Biological AssessmentPT Group 1 (Intolerant)Stonefly Nymph: 8Mayfly Nymph: 2Caddis Fly Larvae: 0Dobsonfly Larvae: 1Riffle Beetle: 1Water Penny: 0Right-Handed Snail: 1# of Taxa: 5PT Group 2 (Moderately Intolerant)Damselfly Nymph: 0Dragonfly Nymph: 3Sowbug: 0Scud: 1Cranefly Larvae: 1Clams/Mussels: 1Crayfish: 0# of Taxa: 4PT Group 3 (Fairly Tolerant)Midges: 0Black Fly Larvae: 0Planaria: 0Leech: 0# of Taxa: 0PT Group 4 (Very Tolerant)Left-Handed Snail: 0Aquatic Worms: 1Blood Midge: 1Rat-Tailed Maggot: 0# of Taxa: 2Pollution 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: 34.00
This is an incomplete draft. Click the "Edit" tab, make sure all fields are filled, and then mark it as complete.