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Photograph of erosion control measures on residential lot intended to prevent runoff and erosion.
Rainwater is drained into an open storm system. Close-up.
Wastewater sewage pipe dumps the dirty contaminated water into the river. Water pollution, environment contamination concept
Wastewater sewage pipe dumps the dirty contaminated water into the river. Water pollution, environment contamination concept
Water running over bricks after heavy rain storm in a city. Storm runoff.

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Nature abstract: Pattern of small pools from tidal waves across sand on a beach in the Olympic Peninsula of Washington State, USAImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/nature-abstract-pattern-small-pools-tidal-277275563">Image used under license from Freestock.com</a>
Pattern in sand caused by Atlantic tide along beach in Cape Cod, Massachusetts, about an hour after sunriseImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pattern-sand-caused-atlantic-tide-beach-141121654">Image used under license from Freestock.com</a>

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