The Coimbatore City Corporation has made ambitious plans to utilize treated wastewater from the Valankulam sewage treatment plant for irrigating the gardens of the upcoming Semmozhi Poonga. The state government has allocated the necessary funds to begin Phase I of the park's development. The current treatment facility processes 30 lakh liters of sewage water every day, of which 5 lakh liters will be directed to the park, while the remaining 25 lakh liters will be sent to the Valankulam tank. A project report is being prepared to ensure the safe transportation of the treated wastewater to the park. However, to lay the necessary pipes beneath the highways, the project requires clearance from the highways department. Additionally, a new sewage treatment plant with a capacity of 2MLD is being constructed at Valankulam and is expected to be completed in the next six months. The Coimbatore City Corporation has issued tenders for the revitalization and transformation of Singanallur Lake, entailing the reinforcement of the embankment, elimination of the water hyacinth menace and the installation of a state-of-the-art sewage treatment plant at an estimated cost of USD0.5 million. The selection of a qualified contractor is expected to be done within the week, with the project likely to be completed within a year.

The water quality of the lake has been severely affected by unchecked inflow of untreated sewage and the intrusion of water hyacinth. Moreover, encroachment has caused a reduction in the lake's bund size and the accumulation of silt has resulted in a decrease in its water-holding capacity. From its original size of 288 acres, the lake has now diminished to 165 acres, with a maximum flood level of 5.17 meters and full tank level of 4.25 meters. Additionally, its desilting process has not been carried out for three decades despite having 845 registered ayacuts.