Since HYDRAA began its lake protection drives in Hyderabad, a quiet question has moved to the top of every serious buyer's list. Is this plot sitting inside a lake boundary or its buffer? The agency was formed on 19 July 2024 under the Telangana Municipal Administration and Urban Development department, and it has since inspected and cleared structures built on tank beds and drain margins across the city. For a buyer, an FTL and buffer zone check in Hyderabad is no longer a technicality. It is the difference between a home you keep and a structure that can be pulled down.

The short answer. Before you pay for any Hyderabad property near a lake, tank or drain, confirm it is outside the Full Tank Level and the buffer zone. As a rule under the Telangana building norms, construction is kept back 50 metres from a river within municipal limits, 30 metres from the boundary of a lake or tank of 10 hectares or more, and 9 metres from a smaller lake or tank. The upside of checking is obvious, you avoid a demolition risk asset. The trade-off is patience, because final lake boundaries are still being notified, so a clean look today needs a written confirmation for that specific water body. Quick fact: HYDRAA was formed on 19 July 2024 under the Telangana MA and UD department, per reporting by LiveLaw and Deccan Chronicle.

This guide explains what FTL and buffer zones mean, the distances that apply, how a buyer checks a survey number, and where the system still has gaps you must plan around.

What is HYDRAA, and why does it matter to a buyer?

HYDRAA is the Telangana agency created to protect lakes, government land and public assets in and around Hyderabad from encroachment. It was set up on 19 July 2024 under the Municipal Administration and Urban Development department, and it operates across the core urban region up to the Outer Ring Road. Its demolition drives on tank beds and drain margins are the reason FTL and buffer questions now decide whether a deal is safe.

For a buyer, the agency changes the risk map. A property that looks ordinary, with power, water and even a registered document, can still be inside a protected boundary and exposed to action. HYDRAA has publicly urged people not to buy houses, flats or land in FTL or buffer areas of any lake. That warning is the cleanest signal a buyer can act on. If a plot is inside these lines, walk away, however attractive the price.

What do FTL and buffer zone actually mean?

Full Tank Level, or FTL, is the maximum level that a lake, tank or other water body can hold, which marks the outer edge of the water body's own footprint. The buffer zone is the strip of land around that FTL boundary that is kept clear of construction, and its width changes with the size of the water body. A large lake carries a wider buffer than a small tank, and a drain carries its own margin.

The reason both matter is that the two lines stack. A plot can sit outside the water itself yet fall inside the buffer, and that is enough to make it a no construction zone. So a buyer is really checking two boundaries, the FTL and the buffer around it, against the exact survey number in the sale document.

What are the buffer distances in Telangana?

The standard buffer distances flow from the Telangana building rules and the irrigation and revenue guidelines, and they are set by the type and size of the water body. The table lists the norms a Hyderabad buyer will meet most often.

Two older orders sit above these norms for specific zones. G.O. 111 of 1996 restricts development within a 10 kilometre catchment of the Osman Sagar and Himayat Sagar reservoirs, and the building rules under G.O. 168 of 2012 anchor the buffer framework. If a plot falls in a special catchment, the wider restriction, not the general buffer, is the one that binds.

How do you check if a Hyderabad plot is in an FTL or buffer zone?

You confirm the notified FTL and buffer for that specific water body, then map it against the plot's survey number. In practice that means asking HYDRAA and the Hyderabad Metropolitan Development Authority for the notified boundary of the nearest lake, tank or drain, and cross checking the survey number on the state land records portal. Since Telangana moved its land records to Bhu Bharati, you can pull the survey level details there as part of the same check. Our guide to Bhu Bharati land records in Hyderabad covers how to read that record.

Do not rely on the seller's assurance or on the fact that a document was registered in the past. Registration records a transaction, it does not certify that a plot sits outside a protected boundary. The safe sequence is a written FTL and buffer position for the water body, the survey number match, and, where any doubt remains, a site inspection with a professional who knows the local tanks.

What are the limits and grey areas right now?

The biggest limit is that the boundaries are still being finalised. Final FTL and buffer notifications had been issued for only around 150 lakes by September 2024, and the process has been running under court monitoring since. That means an absence of a notified boundary is not proof of safety, it can simply mean the lake near your plot has not been mapped yet. In that situation, treat proximity to any visible water body as a reason for extra caution, not comfort.

The second grey area is that a buffer plot can look identical to clean land. There is no fence that announces a buffer, and layouts sometimes extend right up to a tank. This is why the check is documentary and not visual, and why the price discount on a waterside plot can be a warning rather than a bargain. The value of the check is that it converts an invisible risk into a yes or no you can act on before you pay.

What should a buyer do before paying near a Hyderabad lake?

Run this sequence in order, and stop the moment any step returns a red flag.

1. Identify every lake, tank, kunta or nala near the plot, not only the one the seller mentions.
2. Ask HYDRAA and HMDA for the notified FTL and buffer boundary of each nearby water body.
3. Cross check the plot's exact survey number against those boundaries on the state land records portal.
4. Confirm the plot is clear of both the FTL and the buffer, not just the water itself.
5. Check whether the plot falls in a special catchment such as the G.O. 111 zone, where wider limits apply.
6. Get the FTL and buffer position in writing, since a verbal clearance protects no one.
7. Where any doubt survives, commission a site inspection and a legal opinion before releasing payment.

Buyers weighing a project near the city's water rich pockets, for example one like ASBL Loft in the Financial District, should still confirm the underlying survey numbers sit outside any notified FTL or buffer before booking.

How does this fit the rest of your due diligence?

The FTL and buffer check sits alongside your other Hyderabad safeguards, it does not replace them. You still verify the title, the approvals and, for a project, the RERA registration, and you still confirm the land is not in a prohibited category. For that last point, our guide to the Section 22A prohibited property check in Hyderabad is the companion to this one. Read together, they close the two gaps that hurt buyers most, a bad title and a protected boundary.

The honest summary is that HYDRAA has made Hyderabad's water boundaries a hard financial fact. A buyer who checks the FTL and buffer for the right water body, in writing, against the right survey number, removes the single risk that can erase an entire purchase. It costs a little time. It saves the whole asset.

How do I check if a property is in an FTL or buffer zone in Hyderabad?

Ask HYDRAA and HMDA for the notified Full Tank Level and buffer boundary of the nearest lake, tank or drain, then cross check the plot's survey number against it. Since Telangana moved land records to Bhu Bharati, pull the survey details there too. Get the FTL and buffer position in writing before you pay.

What are the buffer zone distances around lakes in Telangana?

Under the Telangana building norms, construction is kept back 50 metres from a river within municipal limits, 30 metres from the FTL of a lake or tank of 10 hectares or more, and 9 metres from a smaller lake or tank. Larger drains carry a 9 metre margin and smaller drains a 2 metre margin.

What is HYDRAA and when was it formed?

HYDRAA is the Telangana agency set up to protect lakes, government land and public assets around Hyderabad from encroachment. It was formed on 19 July 2024 under the state Municipal Administration and Urban Development department and operates across the core urban region up to the Outer Ring Road, running inspections and demolition drives on protected land.

Is a registered property safe from HYDRAA action?

Not necessarily. Registration records a transaction, it does not certify that a plot sits outside a Full Tank Level or buffer zone. A registered plot inside a protected boundary can still face action. Always confirm the notified FTL and buffer for the specific water body before treating a registered document as clearance.

Last updated 2026-07-10. PropNewz Team.