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If you lived in southwest Michigan this summer, you may have seen a helicopter towing a large hoop a few hundred feet above the fields. No one was filming a movie. The crew was mapping groundwater.
Starting in April 2026, Michigan’s environment agency EGLE and the USGS ran airborne electromagnetic (AEM) surveys across 15 to 16 counties, with flights planned for three to four months. The goal was simple. Show what lies underground so the state can plan water supply, protect water quality, and make better infrastructure decisions.
Michigan is not alone. Groundwater technology has moved fast, and the best groundwater consultants now combine these new tools with old fashioned fieldwork. Here is what that means for your project.
Why aquifer data matters more in 2026
Groundwater supplies drinking water to a large share of Americans. In Michigan alone, 44% of residents rely on groundwater for drinking water. Across the country, scientists advising the White House warned that pumping now exceeds natural recharge, and that the nation needs better data on how much groundwater exists and how fast the supply is falling.
Regulators feel that gap too. In Texas this year, the state paused data center permits until an audit of energy and water impacts is complete. Developers who show up with strong aquifer data move faster. Developers who show up with guesses wait.
Technology closes the data gap faster and at lower cost than drilling alone.
Airborne electromagnetic surveys
AEM works a bit like an MRI for the ground. A helicopter carries a coil that sends an electromagnetic pulse into the earth and records the response. Sand, gravel, clay, and bedrock respond differently, so the data shows where aquifers and confining layers sit. The Michigan survey can image up to about 1,000 feet below the surface.
California adopted AEM after the Sustainable Groundwater Management Act made basin data a priority. Minnesota has proposed AEM work in the northwest of the state to cut the cost, time, and uncertainty of finding groundwater.
For you, AEM means a consultant can see the shape of an aquifer across thousands of acres before choosing where to drill. You spend money on test wells in the right places.
Satellites and remote sensing
NASA’s GRACE Follow On satellites detect tiny changes in Earth’s gravity caused by shifts in water storage. The data works at regional scale, not at the scale of one site, but shows whether a whole basin is gaining or losing water over time.
Satellite radar, known as InSAR, measures ground surface movement down to millimeters. Land subsidence often signals aquifer compaction from over pumping. A consultant can review InSAR data to flag risk areas near your site.
Sensors, telemetry, and real time monitoring
Water level loggers now cost less and last longer than a decade ago. Paired with cellular telemetry, they send readings from your monitoring wells to a dashboard every hour. Flow meters and water quality sensors can join the same network.
Real time data changes how you manage a well field. You spot drawdown trends early, catch pump problems before failure, and produce compliance reports without manual site visits. When a regulator or neighbor asks questions, you answer with records instead of estimates.
Models and machine learning
Numerical groundwater models such as MODFLOW, maintained by the USGS, remain the standard for predicting how an aquifer responds to pumping. New tools now link these models to live sensor data and use machine learning to fill gaps, test scenarios, and flag anomalies.
A model is only as good as its inputs. AEM data, pumping tests, and long term monitoring give the model a strong base. Without them, a model produces confident numbers that may be wrong.
What technology does not replace
Every survey still needs ground truth. AEM shows resistivity, not water directly. A consultant must confirm the interpretation with borehole logs and drilling records. Satellite data shows basin trends, not the yield of your well. Only a pumping test tells you what your well can sustain.
Good groundwater consultants use technology to target fieldwork, not to skip fieldwork.
How to choose groundwater consultants with the right tech stack
Ask these questions before you hire a team.
Can you access and interpret public AEM, InSAR, and USGS data for our area?
Do you run your own pumping tests and borehole geophysics to confirm remote data?
What monitoring hardware and telemetry do you install, and who owns the data?
Which groundwater models do you use, and how do you calibrate them?
Can you show an example of a project where remote data changed the drilling plan?
The right groundwater consultants will explain the limits of each tool as clearly as the benefits.
What you can do now
Check whether USGS or your state has already flown AEM over your area. Public data may cut your investigation cost. Review your monitoring wells and decide which need loggers and telemetry. If you plan new wells or a new site, ask for a desk study that combines remote data with existing well records before you commit to drilling.
The technology to see underground has never been better. Use it to drill fewer dry holes, defend your permits, and manage your water with real numbers.
