| Paunküla reservoir | |
| Location: | Kose Parish, Harju County, Estonia |
| Pushpin Map: | Estonia |
| Type: | Reservoir |
| Inflow: | Paunküla Stream, Palgissaare Stream, Sae-Paunküla Canal |
| Outflow: | Pirita River |
| Basin Countries: | Estonia |
| Date-Built: | 1960 |
| Date-Flooded: | 1960 |
| Islands: | 22 |
| Cities: | Kiruvere, Ardu |
| Part Of: | Tallinn water supply system |
| Agency: | Tallinna Vesi |
| Residence Time: | 8 weeks |
Paunküla Reservoir is located in Kiruvere Village, Kose Parish, Harju County, Estonia near Ardu.
The reservoir is part of the Tallinn water supply system and is connected to upstream Jägala river via Sae-Paunküla Canal.
Pirita river runs isolated along the southern shore of the reservoir in a ditch and is only connected to the reservoir at the north-eastern end of the reservoir.[1]
The area of the reservoir is, average depth is and maximum depth is .[2]
The reservoir was first flooded in 1960. The reservoir reached its current size in 1979.[3]