Ground Water Management Areas
How a GWMA is created
The DNR may designate a Ground Water Management Area when data show groundwater declines, streamflow depletion, or water-quality problems. Designation triggers local management by the Natural Resources District (NRD), which must adopt a plan and rules. The DNR reviews the plan and can step in if the NRD does not act.
What the exam tests
- The difference between the DNR's designation role and the NRD's management role.
- Common controls: new-well moratoria, spacing, allocation, metering, reporting, and water-use restrictions.
- The relationship between a GWMA and other authorities: registration, permits, and UIC are separate tracks.
- The need to check GWMA rules before siting or drilling a well.
Worked example
An NRD within a designated GWMA proposes a moratorium on new irrigation wells. A developer wants a new high-capacity well. The driller should not rely only on a state registration form. The well may be barred or conditioned by the NRD's GWMA rules, and the DNR oversight role does not erase the local rule. The correct sequence is to check the GWMA plan and NRD permit requirements, then file the state registration and log if the well is allowed. Reasoning: the exam separates state registration from local management.
Traps
- Treating a GWMA as only a study area.
- Assuming DNR designation automatically imposes every control; the NRD plan supplies specifics.
- Confusing GWMA rules with UIC permits.
- Missing that a moratorium can block a well even if the driller is licensed.