There are many river in Petaling Jaya. Most popular is River Klang (Sg. Klang). People also noted that there are two river which continuously undergo monitoring programme which are River Penchala (Sg. Penchala) and River Klang. Popular rivers in Petaling Jaya are:
- Sg. Buloh
- Sg. Damansara
- Sg. Gasi
- Sg. Kayu Ara
- Sg. Kelang
- Sg. Klang
- Sg. Kuyoh
- Sg. Penchala
- Sg. Rumput
- Sg. Tembul
"Save our reserve water"