| A Watershed Analysis of Pattee Pond |
| Implications for Water Quality and Land Management |
| Introduction |
| Megan Schafer |
| Objectives of Study |
| Gather information about factors affecting water quality | ||
| Assess current conditions of the lake | ||
| Find ways to improve and maintain lake and watershed quality | ||
| Today�s Presentation: Part I |
| General Characteristics of the Pattee Pond Watershed |
| Rachel Freierman |
| Watersheds |
| Water from land area flows into basin | |
| Unit for analyzing water bodies |
| Lake Properties |
| Eutrophication |
| Natural vs. | |
| Human-caused eutrophication | |
| Limiting nutrients | |
| Consequences of eutrophication |
| Water Quality |
| Trophic Levels |
| Interrelationships | |
| Population regulation | |
| Alewives as remediation tool |
| Pattee Pond Watershed |
| Kennebec County | |
| Watershed: 8772 acres | |
| Pattee Pond: 521.5 acres | |
| High watershed area to lake area and volume ratios |
| Soil Composition |
| Large variety of soil types | ||
| Erosion | ||
| Development | ||
| Zoning | ||
| Waste management | ||
| Bathymetry of Pattee Pond |
| Mean depth 15 ft | |
| Two inlets, one outlet | |
| Three coves | |
| Macrophytes |
| Pattee Pond Beaver Activity |
| Keystone species | ||
| Wetland shaping abilities | ||
| Water level regulation | ||
| Water Quality in Pattee Pond |
| Listed by the state as impaired | |
| Historical trends | |
| Pattee�s Pond Association efforts | |
| Action now |
| GIS and Land Use in the Watershed |
| Adam Boe |
| An Introduction to GIS |
| Geographic Information System | |
| ArcGIS organizes and manipulates data |
| ArcGIS |
| Compile multiple forms of data | |
| Manipulate and assign data | |
| Overlay various layers to reveal trends | |
| Create models | |
| Digitizing Images |
| Digitizing Images |
| Digitizing Images |
| Digitizing Images |
| Land Uses |
| Land Use Types: Forested and Successional |
| Land Use Types |
| Land Use Types: Agricultural |
| Land Use Types: Developed |
| Slide 28 |
| Compared Land Use Percentages |
| Trends from 1965-2007 |
| Increase | |
| Decrease |
| Agricultural Areas |
| Agricultural Areas |
| Cleared and Logged |
| Cleared and Logged |
| Developed |
| Wetlands |
| Wetlands |
| Slide 38 |
| Modeling |
| Modeling |
| Modeling |
| Residential Zoning and Erosion Model |
| Sarah Stevens |
| Slide 43 |
| House Count |
| Development Trends |
| Residential Erosion |
| Slide 47 |
| Slide 48 |
| "k-Factor" |
| Slide 50 |
| Slide 51 |
| "Lake" |
| Slide 53 |
| Roads |
| Lindsay Dreiss |
| Roads |
| Important Road Features |
| Crowning | |
| Ditches | |
| Culverts |
| Erosion Problems |
| Washouts | |
| Berms | |
| Tire Rutting |
| Water Diversions |
| Rubber Razor | |
| Open-top Culvert |
| Road Jurisdiction |
| Road Surveys |
| Good |
| Good |
| Good |
| Good |
| Acceptable |
| Acceptable |
| Acceptable |
| Acceptable |
| Fair |
| Fair |
| Fair |
| Fair |
| Poor |
| Poor |
| Poor |
| Poor |
| Results |
| Results |
| Results |
| For More Information |
| Intermission |
| Intermission |