I think is big enough to substain itself because due to difficult costline and lack of a ring road around it and low population it is not subject to the big ecological stress of small lakes near to big dwellings.
Total capacity 539,900,000 m3 (437,700 acre·ft)
Catchment area 1,882 km2 (727 sq mi)
Surface area 16.07 km2 (6.20 sq mi)
The reservoir was recently seeded artificially with European perch. The fish was taken from the Ovcharitsa reservoir.
The first historical moment of the reservoir was in the 1970s, when it was artificially seeded with catfish. Nowadays there are 100 kg representatives. Later, 45,000 carp were introduced into the reservoir as well.