Name of the River : Penna or Pennar
Rises from : Chenna Kesava hills of the Nandi ranges of Karnataka
Outfalling into : Bay of Bengal (at a place called Utukuru, 15 km east of Nellore)
Principal tributaries : Jayamangal (Left side), Kunderu or Kundu (Left Side) , Sagileru (Left Side), Chitravati (Right Sode), Papagni (Right Side) and Cheyyeru (Right Side)
Length (in Km) : 597
Catchment Area (Sq.km.) : 55213
Average Water Resource Potential (MCM) : 6320
Utilizable Surface Water Resource (MCM) : 6900
Live Storage Capacity of Completed Projects (MCM) : 2809.00
Live Storage Capacity of Projects Under Construction (MCM) : 440.0
Total Live Storage Capacity of Projects (MCM) : 3249.0
No. of Hydrological Observation Stations (CWC) : 8
No. of Flood Forecasting Stations (CWC) : 1