The Bushman 130 Gallon Black Slimline Rainwater Storage Tank is a narrow-footprint water storage tank for sites where space is tight. At 48 inches tall, 18 inches deep, and 50 inches across the wide face, it needs only 18 inches of clearance from a wall, fence line, or the side of a house - room where a round tank would never fit - while still holding 130 gallons of harvested rainwater. That is the whole point of the slimline form: real rainwater storage in a profile barely wider than a doorway, which is why slimline tanks are the standard answer for residential rainwater harvesting on tight urban and suburban lots.
Will it work for your install?
This is a polyethylene tank rated to a specific gravity of 1.0, engineered for water and water-density liquids - rainwater, fresh water storage, and similar contents. Filled to its 130-gallon capacity, the tank and contents reach roughly 1,084 pounds, so the pad or surface under it has to carry that full water weight without settling or tilting. The footprint is 18.0 x 50.0 inches; size your base to fully support that rectangle, because slimline tanks are tall and narrow relative to their footprint and depend on a flat, level, fully bearing surface to stay stable when full. To confirm 130 gallons covers your catchment and demand, run the numbers through our Tank Sizing Calculator and review the Tank Sizing Guide before you commit to a size. Inlet, outlet, and overflow configuration is confirmed at quote - call 866-418-1777 so we set up the plumbing to match your downspout and overflow routing.
Keep the water clean: first-flush first
On any rainwater tank, the water-quality step most people skip is first-flush diversion - dumping the dirtiest initial runoff before it ever reaches storage. Start with our write-up on Bushman rainwater harvesting tanks and first-flush diverter sizing, which covers how to size that per the Texas Manual on Rainwater Harvesting, 3rd Edition. Because this is an above-ground polyethylene tank carrying over a thousand pounds when full, the foundation matters as much as the tank itself; our guide on concrete pad sizing for above-ground polyethylene tanks walks through the ACI 360R-10 framework for getting the base right. If this tank is part of a rural fresh-water or fire-reserve setup, see fire-water reservoir tank design for rural and remote sites; for aggregating multiple sources or planning reuse, the industrial water reuse tank topology guide maps how rainwater, grey-water, and condensate storage trains fit together.
The mistake to avoid
The most common slimline error is treating the 1.0 specific gravity rating as a suggestion. This tank is built for water; do not put a heavier-than-water liquid in it expecting the same service life. The second mistake is the pad: a slim, tall tank set on an undersized or out-of-level base is a tip-over and stress-crack risk once it is full. Support the entire 18 x 50 footprint on a flat, level surface and you remove the single biggest failure mode for a tank this shape. Check the technical drawing on this page for exact dimensions and port locations before you build the base.
This tank ships LTL freight from Temecula, CA, with freight quoted live to your ZIP code - a freight advantage for California and West Coast buyers, and an easy number for everyone else to confirm up front. Get your exact figure with our Freight Cost Estimator or call 866-418-1777 and we will quote it for you. Questions about slimline placement, the pad, or matching this Bushman water storage tank to your rainwater harvesting setup? We are here to help before you order.
