Question

which of the following is part of the water quality standards of americas surface waters? amount of sugar content of water the legal, designated uses of water estimates on the cost of water

Explanation:

Water quality standards focus on aspects related to water usage and protection. The amount of sugar content is not a typical standard for surface water quality. Estimates on the cost of water are economic aspects, not quality - related. The legal, designated uses of water (such as for drinking, fishing, etc.) are part of water quality standards as they define what the water is intended for and help set appropriate quality criteria.

Answer:

the legal, designated uses of water