[Pontiac]

But 13,000 gallons is not that much water.

I agree.

The average family uses 400 gallons of water per day.

This tank is supposed to be for watering a garden however.

If use drip sprinklers it might be ok. A regular soaker sprinkler loses too much to evaporation.

[jcon40]

Good point

Drip eeks it out sparingly