A lake project can generate questions long before a dredge, truck, or construction crew ever appears. Around Mirror Lake, those questions are understandable: What exactly is the Town planning? Where will the removed material go? Will roads, water access, noise, or nearby properties be temporarily affected?

The Town of Highlands has been moving its phases of the Mirror Lake dredging project through preliminary engineering, disposal planning, surveying, permitting preparation, cost refinement, and additional design work.  A formal update was presented to the Board of Commissioners on May 21, 2026, and dredging engineering remained on Town meeting materials in July 2026.

An earlier privately funded phase involved in-lake dredging near the Mirror Lake bridge. The larger Town-administered phases have continued through engineering, disposal planning, permitting preparation, and preconstruction work. The status of each phase should be confirmed through the Town of Highlands’ latest agendas, minutes, and project presentations. 

First Things First: What Does Dredging Actually Do?

In plain language, dredging removes sediment that has accumulated beneath the water. Sediment can enter a lake gradually through runoff, erosion, streams, organic material, and other natural or human-influenced processes.

As that material builds up, portions of a lake may become shallower. Dredging is being considered as a way to remove accumulated material and address existing lake conditions, but it should not be presented as a permanent solution to every source of future sediment.

The project also involves much more than removing material from the lake. Engineers must determine how dredging will occur, how the sediment will be handled, where it can legally and safely be placed, how water and erosion will be controlled, which permits are required, and how the disposal area will eventually be stabilized.

The Project Has Already Moved Beyond the Idea Stage

The May 21, 2026 presentation identified several completed steps, including preliminary scoping, a preliminary engineering report, the Board’s selection of Option 2A, and approval by the Town and Macon County of an interlocal agreement involving use of the Highlands transfer-station or former landfill area for dredged-material disposal. 

The preferred Option 2A had been selected by the Highlands Board in April 2025 following a presentation of project alternatives. Town records described it as a hybrid approach intended to optimize recreation, rather than relying on only one dredging method across every part of the project area. 

What the May 2026 Update Said Was Still Being Worked Out

The Town’s May presentation described several recent or active tasks related to the disposal site. These included expanding the survey area, testing and evaluating disposal alternatives, creating preliminary grading scenarios, refining cost estimates, calculating soil quantities, defining solid-waste permitting requirements, and planning improvements to the vegetation-management area used by Macon County.

The project team was also developing concepts for erosion and sediment controls, access phasing, dredged-material management, grading, an alternate access road, sediment basins, tree removal, eventual site closure, and possible changes to the landfill’s operating permit.

That list helps explain why the project timeline is not determined by lake work alone. The disposal location must be able to receive, manage, drain, grade, and contain the material under the applicable rules.

Why the Disposal Plan Can Control the Schedule

Dredged sediment does not disappear when it leaves the lake. Depending on the selected method, it may contain substantial water and require temporary handling, draining, transport, containment, testing, or treatment before final placement.

The Highlands and Macon County interlocal agreement allows planning to proceed around the Rich Gap Road transfer-station or former landfill location. However, the May update indicated that the site still required surveying, grading design, erosion-control planning, operational coordination, testing, and permit-related work. Macon County identifies the Highlands Transfer Station at 1080 Rich Gap Road as part of its solid-waste system.

For homeowners, this means the eventual construction plan may involve two connected areas: the lake itself and the route and site used to handle the removed sediment.

Hydraulic and Mechanical Dredging Are Not the Same Experience

Town engineering staff have evaluated both hydraulic and mechanical approaches.

Hydraulic Dredging

Hydraulic dredging generally uses equipment to loosen sediment and pump a mixture of water and material through a pipeline. It may provide greater control of suspended sediment in appropriate lake areas, but it also requires a plan for managing and removing the water contained in the pumped mixture.

Mechanical Dredging

Mechanical dredging physically removes material with equipment such as excavators or buckets. Town engineering documents noted that mechanical dredging may be more effective for heavier sediment, including coarse sand, gravel, and cobble, and may be better suited to shallow or confined areas. Those same materials indicated that mechanical dredging can be harder to control for turbidity and may create greater environmental disturbance in some settings.

A hybrid plan can use different methods where each is most practical. The final experience for nearby owners will depend on the approved construction documents, equipment locations, access points, environmental controls, and sequencing.

Current Project Status 

The Town of Highlands scheduled another Mirror Lake dredging update for its August 20, 2026 Board of Commissioners meeting. Because project details can change as engineering, permitting, funding, and contracting progress, readers should review the resulting agenda materials and approved minutes before relying on a construction schedule or access plan. 

The Town-administered work should not be confused with the earlier privately funded phase near the Mirror Lake bridge. Any description of whether dredging has ‘started’ should identify the specific phase being discussed. 

What Nearby Homeowners Should Ask Before Work Begins

Until final construction documents and schedules are released, it is reasonable for nearby owners to ask practical questions without assuming the answers.

Where Will Crews Enter the Lake?

Homeowners should watch for information identifying equipment staging areas, shoreline access, temporary easements, pipeline routes, work zones, and any properties or roads needed for entry.

What Noise and Working Hours Are Expected?

Pumps, excavators, generators, trucks, backup alarms, and site-grading equipment may create temporary noise. Final bid documents or construction contracts should identify allowable working hours and operational restrictions.

Could Lake Use Be Temporarily Limited?

Certain sections may need to be restricted for safety while equipment, pipelines, or active dredging operations are present. Owners should seek official guidance regarding fishing, boating, shoreline access, and any temporary closures.

How Will Water Conditions Be Monitored?

Ask what controls will be used to manage turbidity, sediment movement, erosion, runoff, and water discharged from dredged material. Residents may also want to know which agency will inspect compliance and where monitoring results will be available.

What the Project Should Not Be Promised to Do

The dredging project should not be marketed as guaranteeing higher nearby property values. Real estate value depends on many property-specific and market-wide factors, including condition, location, access, views, ownership rights, neighborhood demand, and broader economic conditions.

The project also should not be described as permanently resolving every lake concern. Sediment can continue entering a lake unless its contributing sources are understood and managed over time.

Finally, impacts will not necessarily be identical for every nearby property. A home directly beside a work-access point may experience a different temporary effect from one positioned farther away. Individual properties may also have different boundaries, lake-access arrangements, drainage conditions, and private maintenance obligations.

The Smartest Next Step Is to Keep Following the Paper Trail

The Mirror Lake dredging project has moved through preliminary engineering, selection of a preferred alternative, intergovernmental disposal coordination, surveying, grading concepts, testing, cost refinement, and additional engineering authorization.

Important details still deserve continued monitoring, particularly permits, funding, bidding, construction access, truck routes, environmental controls, phasing, and the final schedule. Temporary uncertainty is normal during a project of this scale, but it also makes accurate, current information especially important.

Own a home near Mirror Lake, or considering buying or selling one? Follow the Town of Highlands Board of Commissioners agendas and connect with Berkshire Hathaway HomeServices Meadows Mountain Realty for property-specific guidance about location, access, neighborhood documents, and how the official project plans may relate to a particular home.

FAQs

Has dredging construction started at Mirror Lake?

An earlier privately funded phase involved in-lake dredging near the Mirror Lake bridge. The Town-administered phases have followed a separate engineering, permitting, funding, and construction process. Buyers and homeowners should confirm the status of each phase through the Town’s latest official records. 

Why does Mirror Lake need dredging?

The project is intended to remove accumulated sediment and address existing lake conditions. The amount and type of sediment differ across the project area, which is one reason multiple dredging approaches have been evaluated.

Which dredging option did the Town select?

The Highlands Board selected Option 2A, described in Town materials as a hybrid approach intended to optimize recreation. Detailed implementation remains subject to engineering, permitting, funding, and construction planning.

Will the project increase nearby home values?

No specific value outcome can be promised. Property values depend on the individual home, location, market conditions, access, condition, rights, and many other factors. The project may also affect nearby properties differently during construction.

About Berkshire Hathaway HomeServices Meadows Mountain Realty

Berkshire Hathaway HomeServices Meadows Mountain Realty is a locally established real estate brokerage helping buyers and sellers navigate Highlands, Cashiers, and the surrounding Highlands-Cashiers Plateau. Its local professionals help Mirror Lake-area buyers and sellers evaluate property-specific considerations, including location, access, disclosures, neighborhood documents, and how official project plans may relate to a particular property.