On a weekday morning in a gated layout off the Outer Ring Road, a family that had paid the full price for a plot watched an excavator arrive at the tank bund nearby. Their plot sat inside the buffer of a water body that no one in the deal had thought to check. Since HYDRAA, the Hyderabad Disaster Response and Assets Protection Agency, was constituted on 19 July 2024, that scene has stopped being rare, and it has changed the first question a careful Hyderabad buyer asks about any plot.

The short answer. HYDRAA enforces the buffer rules set by Government Order Ms No 168, issued by the Telangana Municipal Administration and Urban Development department on 7 April 2012. No construction is permitted within 30 metres of the Full Tank Level (FTL) of a lake or tank of 10 hectares and above, and within 9 metres for smaller water bodies and shikam land. The trade off buyers keep missing is that a clean registered sale deed, and even a sanctioned bank loan, do not prove a plot lies outside an FTL or buffer zone, because neither registration nor lending runs an FTL check.

Two facts anchor every decision here: the 30 metre lake buffer and the 19 July 2024 start of HYDRAA, both of which a buyer can confirm against Telangana lake records and the HMDA layers before paying a rupee. Everything else in this guide is about turning those two facts into a checklist you actually run.

What exactly is HYDRAA, and what can it act against?

HYDRAA is a Telangana government agency created to protect lakes, parks, government land and other public assets across the Hyderabad core urban region, broadly up to the Outer Ring Road. It does not register your property and it does not approve your building plan. Its job is enforcement: identifying construction that sits on Full Tank Level land or inside a notified buffer, and removing encroachments on public water bodies. For a buyer, the practical meaning is simple. A layout can look finished, sold and occupied, and still contain plots that HYDRAA considers built on tank land. The agency acts on the physical footprint of the water body, not on the paperwork of the sale.

What are FTL and buffer zones, and what are the exact distances?

Full Tank Level is the maximum level to which a lake or tank fills at full storage, mapped to survey boundaries. The buffer is the protective strip measured outward from that FTL boundary, and its width depends on the size of the water body. Under GO Ms No 168 of 2012, no development is allowed within 30 metres of the FTL of lakes, tanks and kuntas of 10 hectares and above, and within 9 metres of the FTL of water bodies smaller than 10 hectares and of shikam land. For rivers, the restriction is wider: no activity within 100 metres of the river boundary outside municipal limits, and 50 metres within municipal, corporation or nagar panchayat limits. The one line every buyer should memorise is that no construction at all is permitted at the FTL itself.

These distances are not negotiable at the counter of a sales office. They are the reference HYDRAA uses, and they are published in the government order and reproduced by the Hyderabad Metropolitan Development Authority. Read the numbers before you fall in love with a plot, not after.

Does a registered sale deed protect a plot inside a buffer zone?

No, and this is the single most expensive misunderstanding in the Hyderabad market. Registration under the Registration Act records who transferred what to whom and collects stamp duty and registration fee. It does not certify that the land is outside FTL, that the layout was approved, or that the plot can legally be built on. A sub registrar can register a plot that later turns out to sit on tank land. A bank can lend against it, because valuation and title search are not the same as an FTL overlay. So the deed and the loan tell you the transaction happened, not that the plot is safe. That gap is exactly what HYDRAA has exposed, and it is why the verification below matters more than the seller assurances that come with it.

How do Hyderabad buyers check FTL and buffer status before booking?

The check is a sequence of overlays, and each one is public. Start with the survey number of the plot, then place it on the water body layers so you can see how close the boundary sits to any tank or nala. Confirm the layout approval separately through the sanctioned LP number, because an approved layout has already cleared a level of scrutiny that an unapproved one has not. Read our companion guide on how to verify an HMDA layout LP number for that step in detail, and cross read the RERA and HMDA position in our note on what to verify with TGRERA and HMDA before booking. The point of stacking these checks is that any single document can be forged or stale, but an FTL overlay, an LP number and a RERA registration rarely fail together for a genuinely clean plot.

What happens to homes built before July 2024?

Officials have indicated that residential structures built before July 2024 with valid government approvals are treated differently from fresh encroachments, and are not the first target of demolition, while commercial buildings inside FTL or buffer face firmer action. For a buyer, that distinction is useful but thin. It rests on the words valid approvals, and an old house with a shaky approval trail is not the safe harbour a seller may present it as. Treat the pre 2024 status as a reason to demand the approval documents, not as a reason to skip the FTL overlay. The safest plot is one that is outside the buffer on the map, not one that is merely arguing for leniency.

How should FTL risk change the price you pay?

A plot with any FTL or buffer doubt should trade at a discount, or not trade at all. The reason is that the risk is binary rather than gradual. A plot is either outside the buffer, in which case it carries normal market risk, or it is inside, in which case the downside is demolition and near total loss regardless of what you paid. There is no middle price that makes buffer risk acceptable, because a bulldozer does not respect the premium you negotiated. This is the honest trade off of chasing lake facing plots at a discount: the discount often exists precisely because the market has priced in the risk the seller is hoping you will not check.

A seven point FTL and buffer verification checklist

1. Get the exact survey number and boundaries of the plot in writing before any token payment.
2. Overlay the plot on the water body and FTL layers to measure the distance to the nearest lake, tank or nala.
3. Confirm the sanctioned layout through its LP number and match the plot number to the approved plan.
4. Check the plot against the Telangana prohibited property list so it is not flagged as government or tank land.
5. Read the RERA registration for the project and compare the sanctioned extent with what is being sold.
6. Insist on seeing building or layout approvals dated before any structure was raised, especially for pre 2024 construction.
7. Put an FTL and buffer warranty into the agreement, with the advance refundable if the plot is later found inside a buffer.

Frequently asked questions

Does HYDRAA apply outside the Outer Ring Road?

HYDRAA was set up to protect public assets across the Hyderabad core urban region, broadly up to the Outer Ring Road. Areas beyond that are governed by the same water body and buffer principles under the wider Telangana rules, but the day to day enforcement agency and jurisdiction can differ, so confirm which authority covers your specific survey number.

Can I get a home loan on a plot inside a buffer zone?

Sometimes, and that is the danger. A bank may lend because its valuation and title checks do not always include an FTL overlay. A sanctioned loan is not evidence that the plot is outside a buffer, so run the FTL check yourself rather than treating the loan approval as clearance.

What is the difference between FTL and buffer zone?

FTL is the full storage boundary of the water body itself, where no construction is allowed at all. The buffer is the protective strip measured outward from that FTL boundary, 30 metres for lakes of 10 hectares and above and 9 metres for smaller water bodies, where development is also restricted.

Is a plot approved by a gram panchayat safe from HYDRAA?

Not necessarily. A gram panchayat approval does not override FTL and buffer protection, and many disputed plots carry only panchayat level paperwork. Prefer plots inside a sanctioned HMDA layout and always run the FTL overlay regardless of who issued the approval.

Last updated 2026-07-03. PropNewz Team.