The Bushman 45711 is a 420-gallon vertical rainwater harvesting tank in brown, built for above-ground collection and storage at homes, farms, and rural sites. It stands 64 inches tall on a 47-inch diameter round base — a 47 x 47-inch pad envelope — so it fits a compact foundation while giving you real reserve capacity for irrigation, livestock, garden, and non-potable household supply. The brown exterior blocks light to slow algae growth and blends into most landscaping better than a white or black tank.
Will it work for my site?
Capacity is 420 gallons. Filled with water, plan for roughly 3,503 pounds of water weight bearing down on the pad — that figure is the water alone, so add the empty shell and any fittings and plumbing on top of it, and size and level your foundation for the fully loaded load, not the empty tank. Because rainwater collection needs the tank on a flat, level, fully supported base, a poured pad matters here; our concrete pad sizing guide walks the ACI 360R-10 framework for above-ground poly tanks. The tank comes configured with a 1-inch NPT bulkhead outlet (see the technical drawing on this page for placement). A bulkhead seals through the tank wall with a gasket, so confirm two things before you install: that the 1-inch NPT thread mates to your pump, first-flush, and distribution plumbing, and that you seat the gasket squarely and torque it to spec so the wall penetration stays leak-free. If you are still deciding on volume, run your roof area and rainfall through the Tank Sizing Calculator and the Tank Sizing Guide, and size your first-flush diverter with our Bushman first-flush sizing walkthrough.
Sizing it into a larger system
Rules and expected yield vary by state, so match capacity to your regulations and rainfall — our rainwater sizing by state breakdown covers both. For larger multi-tank reserves that double as a rural fire-water supply, the NFPA 22 reservoir design guide covers sizing discipline and cold-climate freeze protection for polyethylene tanks.
The mistake to avoid
Do not treat a rainwater harvesting tank as drinking-water-ready out of the box. This is a non-potable collection and storage tank; any potable end use requires the proper filtration, first-flush, and treatment train ahead of the point of use — the tank alone does not make the water safe to drink. And do not skip the level, fully supported pad: an unsupported or uneven base under roughly 3,500 pounds of water is the fastest way to stress the shell.
This tank ships LTL freight and is quoted live to your ZIP code — get your rate with the Freight Cost Estimator or call our team at 866-418-1777 to lock in delivery and confirm fittings before you order.
