URI Watershed Watch 2000 Mashapaug Pond

Monitored by: Lori Richardson & family, Mark Fonseca

Water Clarity as Measured by Secchi Depth Oligotrophic > 4 meters (> 13.1 feet), excellent water clarity Mesotrophic 2-4 meters (6.6-13.1 feet), moderate water clarity Eutrophic < 2 meters (< 6.6 feet), low water clarity Refer to URI Watershed Watch's Fact Sheet Measuring Water Clarity for more information.

Algae Concentration as Measured by Chlorophyll Levels Oligotrophic < 2.6 ppb, low algae levels Mesotrophic 2.6-7.2 ppb, moderate algae levels Eutrophic > 7.2 ppb, elevated algae levels; indicates an algae bloom Hypereutrophic > 35 ppb, extremely high algae levels; "pea soup" conditions Refer to URI Watershed Watch's Fact Sheet Algae in Aquatic Ecosystems for more information.

Dissolved Oxygen > 5 mg/L, good Dissolved Oxygen 3-5 mg/L, low oxygen Dissolved Oxygen < 3 mg/L, incapable of supporting aquatic life Refer to URI Watershed Watch's Fact Sheet Dissolved Oxygen and Temperature for more information.

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