Septic Tanks
Infiltrator Water Technologies IM-1250
The IM-1250 septic tank from Infiltrator Water Technologies offers long-term strength and watertightness in a lightweight, strong plastic tank design. Like other IM-Series tanks, it is an injection-molded, two-piece mid-seam polypropylene tank compatible with Infiltrator’s line of custom-fit risers. It is designed for use as a single or in-series septic tank with a total volume of 1,271 gallons. Sized between Infiltrator’s existing tank offering of 1,000-and 1,500-gallon capacity tanks, it offers installation flexibility requested by customers. Structurally reinforced access ports eliminate distortion during pumpouts and reinforced structural ribbing and fiberglass bulkheads offer additional strength. It accommodates the














