According to the "Study on Water Quality Improvement and Hydrological Assessment for the Klang River" report, it is found that pollution in the rivers in the Klang Valley area is due to the following:
i. Wastewater;
ii. Domestic waste water;
iii. Commercial waste;
IV. Effluent of the industry;
v. Waste water from the wet market;
vi. The garbage thrown directly into the river.

i. The River of Life (ROL) Project was launched in 2011 and is a start -up project (EPP) under the Economic Transformation Program for Greater Kuala Lumpur - Klang Valley (NKEA Greater KL/KV)

ii. Aims to transform the Gombak River and the Klang River to a dynamic and powerful Waterfront icon with high economic value through three main components: river cleaning, river transfusion and land development.

- River cleaning
- River beautification
- Land development

110km long river involved

Kerayong River, Keroh River, Jinjang River, Batu River, Gombak River, Klang River, Ampang River, and Bunus River

Rationalization and upgrading of public sewage plants, quantity control works and river water quality, sewerage pipeline construction, construction of wastewater treatment plants in wet markets around Kuala Lumpur, MPS and MPAJ, Installation of Gross Pollutant Trap To trap garbage along the river and the installation of the Communal Grease Trap in hawker centers.

Public Outreach Program (POP), Enforcement Improvement Program, Water Quality Monitoring Program and Water Quality Improvement Study for Sungai Klang.

It involves the 10.7km of the Klang River and the Gombak River, across the city center of Kuala Lumpur, from Kampung Puah to Brickfields.

Kuala Lumpur City Hall, Selayang Municipal Council and Ampang Jaya Municipal Council.

i. Sewage
ii. Pollution
iii. General Support