Long Island Sound

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Across
  1. 1. any water leaving your house, including waste, sinks, tubs
  2. 6. excessive growth of algae due to nutrient pollution
  3. 8. low levels of oxygen (in water, blood)
  4. 9. silt, sand, mud at the bottom
Down
  1. 2. plentiful
  2. 3. refers to the mud layer of an aquatic ecosystem
  3. 4. the settling of particles, laying down of (opposite of emissions)
  4. 5. digging up the bottom (as in a body of water)
  5. 7. a sign that something is happening (as in environmental indicators)
  6. 10. brackish water where fresh and salt water meet, nursery area for organisms