CORNARE Permits for Building Near the Reservoir: Which Apply

Four CORNARE permits cover most rural builds near the Guatapé reservoir: tree felling (aprovechamiento forestal), water use (concesión de aguas), wastewater discharge (permiso de vertimientos), and occupation of a watercourse (ocupación de cauce) for docks, bridges or bank works. You find out which apply by taking the parcel's registry number and cadastral ID to the municipal planning office and to CORNARE before you pay an architect.

The order matters. People design the house, then discover the septic field cannot be approved where they drew it, or that the shoreline strip they wanted to pave is public land under the environmental authority's control. Redesign is cheaper on paper than in concrete.

Which CORNARE permits actually apply to a rural house

Tree felling. Clearing for a house platform, an access road or a view line requires authorization if you are removing standing trees, including isolated ones. CORNARE is the regional environmental authority for the reservoir area and issues these. Species, number and location all go in the request, and replanting conditions usually come back with the approval.

Water supply (concesión de aguas). If your water comes from a stream, spring or well rather than a municipal or veredal aqueduct, you need a concession stating the source, the flow and the use (domestic, irrigation, livestock). Many rural parcels in El Peñol and Guatapé are served by a veredal aqueduct association instead, in which case what you need is a connection availability letter from that association, not a concession. Ask which situation you are in before anything else, because a lot with no legal water is a lot you cannot live on.

Wastewater (permiso de vertimientos). No sewer network reaches most rural parcels. You will build a septic system, and discharging treated effluent to soil or to a watercourse is a permitted activity, not a free one. The request involves a soil infiltration test, a system design and a defined discharge point. This is the permit that most often forces a change to the house's position on the lot.

Occupation of a watercourse. Docks, retaining walls, bank stabilization, pipe crossings and anything built in or over water fall here. The reservoir's level is managed by the utility that operates it, so the shoreline you see in March is not the shoreline in November. Anything you build at the edge has to survive both, and the strip that floods is not yours to treat as garden.

How to find out before you design

Collect three documents first. The certificate of tradition and freedom, requested with the registry number, which shows the registered owner, mortgages, liens and encumbrances. The cadastral record, with the parcel's official area and identifier. And the municipal land-use certificate.

Then make two visits.

Municipal planning (Secretaría de Planeación) in the municipality where the parcel actually sits. Note that El Marial and La Cristalina are in El Peñol, not Guatapé, even though they face the Guatapé side of the water, so the planning office and the POT that govern them are El Peñol's. Ask for the uso de suelo certificate in writing: what the territorial plan allows on this specific parcel, country housing, subdivision, or agricultural use only, plus setbacks, maximum footprint and minimum lot size. A clean title does not by itself mean a house can be built.

CORNARE's regional office. Take the same documents and ask which permits your intended build triggers, whether any part of the parcel falls in a protected or retiro area, and whether there is an existing file on the property. Previous owners sometimes have open obligations, an unfulfilled replanting order or an expired concession, and those travel with the land.

What to put in the offer before you commit money

Make the promesa de compraventa conditional on the land-use certificate and on the permits you actually need being obtainable. Written conditions, with a deadline. Closing normally takes 30 to 45 days once the deal is agreed, which is enough time to get planning's answer in hand if you start on day one.

If the seller already holds permits, get copies and check the dates, the holder's name and the conditions attached. Permits are tied to the property and to obligations that are checkable, so do not accept a verbal "it's all approved".

Budget the surrounding costs honestly too: buyer closing costs run about 2 percent of the price (notary 0.27 percent, registry 0.67 percent, beneficencia 1 percent), plus your lawyer's fee, and annual property tax runs from 0.3 to 1.2 percent of cadastral value depending on the municipality. Permit studies, the infiltration test and the technical drawings are separate and come before construction, not during it.

One last point on price. In Guatapé and El Peñol a lot starts at about US$128,000 with a typical asking price near US$431,000. That is real money for land whose buildability you have not confirmed. The certificates cost a fraction of it.

How we knowFigures as of November 6, 2026. Prices: active listings we verified ourselves; USD rate: TRM 3,228.26 COP per US$1, valid November 6, 2026 (Banco de la República, via datos.gov.co).

Frequently asked questions

Do I need a CORNARE permit to build a house on rural land?

Not for the house itself. CORNARE permits cover specific activities: felling trees, taking water from a stream or well, discharging wastewater, and building in or over a watercourse. Municipal planning controls whether a house is allowed at all, through the land-use plan.

What is a permiso de vertimientos and when do I need one?

It is the wastewater discharge permit. You need it when your septic system discharges treated effluent to soil or to a watercourse, which is the normal situation on rural parcels with no sewer. It requires an infiltration test, a system design and a defined discharge point.

Can I build a dock on the reservoir?

Docks fall under occupation of a watercourse and need authorization. The reservoir's level is managed by the utility that operates it, so the water line moves through the year, and the strip that floods is not private garden.

Who do I ask about land use, CORNARE or the municipality?

The municipality. Each municipal territorial plan determines whether a parcel allows country housing, subdivision, or agricultural use only. Ask the Secretaría de Planeación for a written uso de suelo certificate, then take it to CORNARE to confirm which environmental permits apply.

Are permits for a lot in El Marial handled by Guatapé?

No. El Marial and La Cristalina are in the municipality of El Peñol, even though they sit on the Guatapé side of the water. El Peñol's planning office and land-use plan govern those parcels.

Keep reading

El Peñol: prices and inventory·Guatapé: prices and inventory