The purposes of the water management programs required by sections 103B.205 to 103B.255 are to:

1. (1) protect, preserve, and use natural surface water and groundwater storage and retention systems;
2. (2) minimize public capital expenditures needed to correct flooding and water quality problems;
3. (3) identify and plan for means to effectively protect and improve surface water and groundwater quality;
4. (4) establish more uniform local policies and official controls for surface water and groundwater management;
5. (5) prevent erosion of soil into surface water systems;
6. (6) promote groundwater recharge;
7. (7) protect and enhance fish and wildlife habitat and water recreational facilities; and
8. (8) secure the other benefits associated with the proper management of surface water and groundwater.