CATTARAUGUS CREEK WATERSHED QUALITY

1
CATTARAUGUS CREEK WATERSHED QUALITY

• UB ENVIRONMENTAL
• LAW CLINIC

2
WATERSHED POLLUTION

• Types of Pollutants (2002)
• Known
• D.O./Oxygen Demand
• Nutrients (nitrogen)
• Silt/Sediment
• Algal/Weed Growth
• Suspected
• Silt/Sediment
• Priority Organics (PAHs)
• Pathogens, Aesthetics
• Nutrients
• Possible
• Nutrients
• Thermal Changes
• D.O./Oxygen Demand
• Pesticides
• Pathogens
• Silt/Sediment

• Sources of Pollution (2002)
• Known
• Agriculture
• Suspected
• Streambank Erosion
• Tox/Contam. Sediment
• Failing On-Site Systems (Lawtons, Lime Lake)
• Agriculture
• Hydro Modification
• Municipal (Springville WWTP)
• Construction
• Possible
• Agriculture
• Streambank Erosion
• Construction

3
STREAM ASSESSMENT

• Niagara River Basin Sampling Sites 2000-2001 for
  Eastern Lake Erie Watershed (including Catt.
  Creek and tributaries)
• Stream Assessment
• Non-Impacted (7)
• Slightly Impacted (10)
• Moderately Impacted (5)
• Not Classified (4)