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)