Answer :
Nutrient and sediment pollution are the main causes of poor water clarity. When excess nutrients run into nearby waterways, they can fuel the growth of water-clouding algae.
Water clarity is a measure of the amount of sunlight that can penetrate through the water. Similarly, when soil erodes and washes into rivers, streams, and the Bay, particles of sediment can become suspended in the water. Water clarity fluctuates naturally depending on the weather conditions. Storms wash dirt and pollutants into waterways, which can muddy the water. Because of this, the waters tend to be clearer during drier conditions.
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