Nehr-e-Khayyam

Nehr-e-Khayyam (Urdu: نہر خیام), situated in Clifton, Karachi, Pakistan, is a water channel originally constructed as a stormwater drain.

Features and location
Roughly 10-feet-deep, the channel is approximately two and a half kilometer in length, half exposed to the open air while the other half is covered, overbuild by road and buildings. Stretching from Bank Road at Khayaban-e-Iqbal to Khyaban-e-Saadi, the channel is linked with the sea, connecting through Boat Basin. The water flow of Nehr-e-Khayyam is bidirectional: during low tide, water moves from the ground to the sea, while during high tide, it reverses course, flowing from the sea back to the ground.

Development
Despite its original purpose of draining rainwater into the sea, and first plans as a 'recreational zone' in the 1970s, Nehr-e-Khayyam has, over the decades, become a focal point of urban interest for environmental reasons. The channel is plagued by heavy pollution, filled with garbage and sewage, a stark contrast to its location in the densely populated and upscale neighbourhood of Clifton. Numerous efforts have been made to address the pollution and enhance the aesthetic appeal of the area. However, these endeavors have been marred by challenges such as broken contracts, unclear responsibilities, and financial discrepancies, resulting in unresolved legal disputes awaiting adjudication in courts. Beyond issues of pollution and degraded water quality, scientific studies have highlighted the pervasive presence of bacteria within the channel, all of which eventually flow through the Chinna Creek into the Arabian Sea.