M-1 Tanks concrete pre-cast products


Serving Grant and surrounding counties of Washington

700, 1000, 1250, and 1500 gal. standard size septic tanks. Larger capacity tanks are achieved by linking tanks together and is commonly cheaper to do it that way rather than installing a very large single tank.

Drywell systems

Catch Basins

Manhole systems

Potable water, irrigation box, and livestock water tanks.

Concrete steps; 1,2,3 step risers and stackable solutions. Each riser is 7" and all widths are 6'. The standard deck is 4'x6'. The depth can be customized.