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FTL & Buffer Zone Risk Check

Before you pay for property anywhere near a lake, tank, nala or storm-water drain in Hyderabad, there are checks that take an afternoon and can save your life's savings. Answer six questions and get a personalised checklist of exactly what to verify and what to demand in writing.

Nothing is submitted or stored. The checklist is generated in your browser.

What FTL and buffer zone actually mean

Full Tank Level (FTL) is the level a lake or tank reaches when full — and the land area within that boundary. Buffer zone is a prescribed no-construction strip beyond the FTL. The widths commonly applied are 30 metres for lakes above 10 hectares and 9 metres for smaller lakes and nalas. Construction within the FTL is impermissible, and construction within the buffer is restricted.

In practice, disputes are rarely about the principle. They are about where the boundary actually falls on your plot, and what record fixes it. That is exactly what these checks establish — before you are the one arguing about it.

Already received a notice?

This tool is for checking before you buy or build. If a notice has already been issued or a signboard erected, the position and the timelines are different.

Your rights if you received a notice →

Frequently asked questions

Where do I officially check whether a property is in an FTL or buffer zone?

The HMDA lakes portal at lakes.hmda.gov.in is the primary public source. You select district, mandal or circle and village, or search by lake name or lake ID. For each lake it publishes the lake ID, the dates of preliminary and final notification, the FTL map, the cadastral map, and a statement of survey numbers and areas affected in the FTL and buffer zone.

What is the difference between preliminary and final notification?

A lake's boundary is first published as a preliminary notification, inviting objections, and later as a final notification. The stage matters: where only a preliminary notification exists, the demarcation is not yet concluded, and that can be relevant both to objections you may file and to any later challenge. Always note which stage applies to your lake and the dates shown.

How wide is the buffer zone?

The widths commonly applied are 30 metres for lakes larger than 10 hectares and 9 metres for smaller lakes and nalas. Because the applicable width depends on the classification of the water body, confirm the figure for your specific lake rather than assuming.

The seller says the property has all approvals. Is that enough?

Approvals matter a great deal but do not by themselves answer an FTL or buffer claim, and a seller cannot convey a better title than they hold. Verify the FTL and cadastral position independently on the portal against your survey number, and keep every approval, plan and receipt.

The plot is not next to a lake, so am I safe?

Not necessarily. Buffer restrictions also apply around nalas and storm-water drains, which are often built over or invisible on the ground while still appearing on drain alignment records. Check the drain alignment as well as the lake polygons.

What if my survey number appears in the affected list?

It does not automatically mean the whole plot is affected, because the listing is by survey number and area, and boundaries can pass through a survey number. This is precisely the point at which to obtain the FTL and cadastral maps, get the position on the ground examined, and take advice before paying any further amount.

Is this tool legal advice?

No. It produces a checklist of public records to verify and documents to obtain, as a free public awareness resource. It gives no opinion on any particular property. Have the actual documents examined before you commit money.

Want the documents examined before you pay?

Contacting the firm is your own initiative and creates no advocate–client relationship.

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