4. Three city plans for water use are listed in the table below. Assume that the population size and per capita use are 100% as forecasted.
Percent wastewater reclaimed - City A - 82. City B - 47. City C - 84
Percent farm water used by Cities - City A- 58. City B - 22. City C - 18
Percent environmental flow - City A - 46. City B - 62 City C - 41
a. Which city plan will result in the most sustainable groundwater stores?
b. How do you know?
c. Which city plan will result in the least sustainable groundwater stores?
d. How do you know?