One advantage to hypolimnetic withdrawal is that it is relatively inexpensive to install an Olszewski tube or any similar device. Along with low initial cost, it also has a relatively low annual maintenance cost. The following are four systems installed in the United States (2002), their area in hectares, the rate of flow in cube-meters per minute, and their initial installation costs in US dollars:
* Lake Ballinger
41 ha<br />
3.4 m/min<br />
* Lake Waramaug
287 ha<br />
6.3 m/min<br />
* Devil's Lake
151 ha<br />
9.1 m/min<br />
* Pine Lake
412 ha<br />
5.3 m/min<br />