| URI Watershed Watch |  |
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2002
Pawcatuck River at Avondale
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.
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.
