Stream Study Video Conference
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Transcript of Stream Study Video Conference
Manheim Township High School
By: Clare Wirth, Lauren Lennox, Pamela Acero, and Joseph Miller
Conestoga Watershed, which is a part of the Susquehanna Sub-basin, in the Chesapeake Bay watershed, that uses the Conestoga River as its major waterway
Manheim Township High School
Lancaster, PAManheim Township HS
Susquehanna River
Stream StudyWe visited the Little Conestoga Creek in East Petersburg, PA
And in Overlook Park
http://articles.lancasteronline.com/local/4/254860
LOCALNEWS
“Pennsylvania – and especially heavily farmed Lancaster County – are linchpins in any successful cleanup”
What are the indicators of a healthy stream?
What did we speculate on the health of our stream?
Velocity of flow data table Measurement
Distance 1 m
Time 7.73 sec
Final Velocity 0.129 m/sec
Stream Physical Study Measurement
Length 1 Meter
Width 7.64 Meters
Average Depth .6 Meters
Time 7.73 sec
Flow .9
Final Volume .56 m3/sec
Ammonia – 0.1 m/l
Nitrates – 8 m/l
Phosphates – <1 mg/L
pH – high = slightly basic
Hardness – 600-800 ppm
Dissolved Oxygen – 5.6mg/L
Turbidity – 20 JTUs
Ammonia - animal waste and fertilizer
Nitrates - animal waste and fertilizer
Phosphates - animal waste and fertilizer
pH - limestone runoff from quarry
Hardness - limestone runoff from quarry
Dissolved Oxygen – cold and rushing over rocks
Turbidity - inconclusive
Major Groups T/F/S
Craneflies (Trueflies) F
Blackflies (trueflies) T
Alderflies F
Crayfish (Crustaceans)
T
Sowbugs (Crustaceans)
F
Scuds (Crustaceans) F
Snails T
Leeches T
T= tolerant of pollutionF= fairly tolerantS= sensitive to pollution
Water Quality Rating: Fair
Natural Wetland 1Natural Wetland 2Man-Made Wetland
Importance of WetlandsFlood controlAbsorb pollutantsProvides Habitats
What are the issues? What are we doing about the issues?
Essential Questions
Thanks to: ◦ Mrs. Feerrar◦ Mrs. Holsinger◦ Mrs. Metcalf◦ Mrs. Myers◦ Mrs. Zima◦ MAGPI Fellows
and Mrs. Greiner
Thanks to:Manheim Township Educational Foundation Grant (MTEF)