Underground
The Infiltrator 24" Replacement Lid is a direct-fit replacement for Infiltrator underground tanks, including rainwater harvesting and septic tank systems. Molded from heavy-duty, UV-stabilized polyethylene, this lid is built to withstand outdoor exposure and underground conditions while maintaining a secure, watertight seal.
It features a textured surface for traction, and is engineered for compatibility with standard Infiltrator tank risers and access ports. Whether you're replacing a damaged lid or installing a new system, this lid ensures easy access for inspection and maintenance while protecting the contents of your tank from surface water intrusion and debris.
The Infiltrator 1787 Gallon Underground Tank is a high-capacity, heavy-duty storage solution designed specifically for nonpotable water applications. Whether you're collecting rainwater, storing graywater, or managing stormwater runoff, this tank is built for underground installation with a low-profile design that simplifies excavation and placement.
Molded from high-strength polyethylene and reinforced with internal structural ribs, the tank is both lightweight and durable, making it easier to handle and install without compromising on performance. It's pre-molded with multiple inlet/outlet locations for flexible plumbing options and can be used in both residential and commercial settings.
176"L x 62"W x 55"H 320 lb. empty Stocked in Doraville warehouse. *** RISERS SOLD SEPARATELY***
Note: This tank is not rated for potable (drinking) water use.
The Infiltrator 12" Snap Riser adds a full foot of vertical access to any compatible Infiltrator underground tank, making it easy to bring access ports to grade in deeper installations. Designed for use with 24" lids and riser stacks, this riser features a snap-fit connection that locks in place without screws, sealants, or special tools.
Ideal for septic systems, rainwater harvesting tanks, or graywater storage, this riser is molded from UV-stabilized polyethylene for long-term durability in outdoor and underground environments. Multiple risers can be stacked to reach your desired height.
The Infiltrator 6" Snap Riser provides a secure and watertight 6-inch extension for underground tanks. Designed for use with Infiltrator riser systems and 24" lids, this riser improves access to tanks installed deeper underground, helping you meet grade requirements or improve inspection and service convenience.
Constructed from UV-stabilized polyethylene, the Snap Riser is lightweight yet extremely strong. Its interlocking snap-fit design ensures a tight, no-tools-required installation with other Infiltrator risers and lids. Commonly used with septic tanks, rainwater harvesting systems, and nonpotable water tanks.