The bedrock is sandstone, and the overburden is sand and gravel. What do you know about your well? do you know the depth to water, total depth, screen interval or open borehole length ?
we took the entire company (I was painting houses for college $$) to fenway to see a game, paid for tickets and the T (from newton) for everyone, was less than $150 in total for ~20 people.
If we get a wet summer like last year, it will do fine. Otherwise, lots of watering may be needed, especially sunny south exposure, or it will die and the crab grass will fill in.
Seeding in the spring can be problematic due to crab grass and soil moisture. crab grass pre-emergent (if you use it) will interfere with seedlings, and grass started in the spring isn't as capable of withstanding summer dryness as grass started in the fall.