1100 Gallon Vertical Liquid Storage Tank - Natural White (87" x 53") #42591: Complete Buyer's Guide
1,100-gallon white liquid storage tank built for agricultural chemical and fertilizer storage. Manufactured by Norwesco from virgin linear polyethylene (HDPE) rated to handle liquids up to 12.5 pounds per gallon. FDA approved for contact with potable water, ensuring safe storage for drinking water and food-grade liquids.
Specifications at a Glance
Every figure below is pulled straight from the live product record for this exact tank — the same data on the product page, so what you read here and what you buy never disagree.
Standards & Materials
- ASTM D1998 — Standard Specification for Polyethylene Upright Storage Tanks. Governs wall-thickness and hydrostatic design for vertical rotomolded poly tanks of this class.
- FDA 21 CFR 177.1520 — Olefin polymers. The food-contact regulation the FDA-grade resin in this tank is compounded to meet.
- Specific gravity rating 1.5 — the tank is engineered for liquids up to 1.5× the density of water (water is about 8.34 lb/gal). Confirm your fluid’s SG before storage.
Product Overview
The 1100 Gallon Vertical Liquid Storage Tank, part number 42591, is a mid-size chemical and fertilizer tank with an unusually low, wide stance — just 53 inches tall on an 87-inch base. That squat proportion makes it the stable, easy-access way to store 1100 gallons of chemical, ideal for sites with overhead limits or operators who want the lid and fittings within easy reach.
Molded seamlessly from virgin linear polyethylene with a 1.5 specific gravity rating, it serves dense farm and industrial liquids to 12.5 pounds per gallon. The translucent white wall lets operators check the level from the ground and reflects sunlight to keep the stored chemical cooler through the day.
The wide 87-inch base spreads the load over roughly 41 square feet. Empty weight is 185 pounds; filled with a 1.5-SG liquid the foundation carries about 13,946 pounds. A factory 2-inch NPT outlet handles discharge and a 16-inch lid opens the top. No inlet is fitted, so you drill and install a bulkhead at the height your plumbing requires.
Key Features and Specifications
- 1,100-gallon capacity — sized for agricultural chemical and fertilizer storage
- Constructed from virgin linear polyethylene (HDPE) with 1.5 specific gravity rating — handles liquids up to 12.5 lbs/gal
- 53" tall x 87" diameter — compact vertical footprint
- 185 lbs empty, approximately 13,946 lbs when full at rated specific gravity
- 2" fitting with 2" siphon NPT outlet fitting — factory installed and leak-tested
- 16" lid opening for fill, venting, and interior access
- FDA approved for potable water and food-grade liquid contact
- Translucent white walls allow visual level monitoring without opening the tank and reflect sunlight to keep contents cooler
- Rated for continuous service up to 120 F / 48 C
- Seamless one-piece rotational molding — no seams, no welds, no leak points
- Manufactured by Norwesco — a leading name in rotomolded polyethylene tanks
- Install on a level, compacted surface. Ensure adequate clearance above for lid access and around the perimeter for plumbing connections and visual inspection
- Ships via LTL freight — allow 2-3 weeks for delivery. Lift gate and residential delivery available at additional cost
Installation and Setup Guide
This 1100-gallon tank, model 42591, is all about its low, wide profile: at 53 inches tall on an 87-inch base it is far wider than it is high, so the full 13,946-pound load spreads broadly over 41 square feet at low ground pressure, and the squat body shrugs off wind entirely. The trade is the usual one for a wide tank — an 87-inch flat bottom mirrors every imperfection in the pad, so flatness across that span is the whole install.
Site Preparation
Design the foundation around the full diameter of the base. A reinforced concrete slab or a deep, well-compacted crushed-stone ring should extend past the 87-inch base and sit flat to a quarter inch across the full width. With 13,946 pounds bearing down over a wide footprint, any high or low spot concentrates the load onto less area than intended and fatigues the wall there first; have a structural professional specify the slab for your soil.
Placement and Connections
Connect the discharge at the factory 2-inch outlet using a chemically compatible flexible coupling so thermal movement never bears on the bulkhead, routing the run short and low. No inlet is provided, so you choose the fill height and drill a compatible bulkhead there. Use chemical-rated plumbing throughout and hand-tighten the poly threads a quarter turn past snug, never with a wrench.
Venting
Even a low, wide chemical tank must breathe as it cycles. Keep air moving through the 16-inch lid's relief path, adding a chemical-rated pressure/vacuum relief vent for any volatile contents. A blocked vent on a full tank pulls a vacuum that can dish the broad top inward during a hard draw-down, so confirm the vent first and check its rating against the stored liquid.
Maintenance and Long-Term Care
A low, wide 1100-gallon chemical tank is easy to inspect — the lid and fittings sit low and the translucent wall reads the level from the ground. Because chemical service and structural load govern upkeep, the routine below protects both the vessel and its broad foundation.
Quarterly Inspection Checklist
- Wall sweep: Circle the 87-inch shell and use the translucent wall to spot any low bulge or stress whitening pointing to a settled pad or overweight chemical.
- Outlet and bulkhead check: Review the 2-inch outlet and your installed inlet for chemical weeping, confirming continued compatibility with the stored liquid.
- Foundation audit: Walk the wide perimeter for settling or washout, since over a 41-square-foot footprint one soft spot takes more load than it should.
- Vent verification: Ensure the pressure/vacuum relief or vent remains clear and rated for the current chemical.
Cleaning
Clean by decontamination to the chemical manufacturer's procedures whenever you switch products; a rinse alone is not enough when changing chemistries. The 2-inch outlet drains the bulk, and the low body keeps the 16-inch lid easy to reach for inspection, with interior work following confined-space and chemical-handling protocols. The tank is for chemical storage, never potable water.
UV and Weather Protection
The translucent white wall both reflects sunlight, keeping contents cooler, and resists UV through stabilizer in the resin; check its sunny face annually for chalking. On a wide outdoor tank the reflective pigment trims the thermal load the broad surface gathers over a hot day.
Alternatives and Comparisons
This low, wide 1100-gallon tank (model 42591) is the stable, accessible take on mid-size chemical storage, where a taller 1100-gallon profile would trade footprint for height. Below, the 850-gallon and smaller verticals ease the foundation; above, the 2000-gallon-plus tanks step capacity up. Choose by the footprint your pad allows and the volume you cycle.
Vertical vs. Horizontal: Vertical tanks use less floor space for the same capacity but require more overhead clearance. If you have height restrictions, consider a horizontal or low-profile tank. Vertical tanks also drain more completely due to gravity — the liquid column above the outlet creates positive pressure all the way to the last few gallons.
Other 1100-Gallon Options
Frequently Asked Questions
How long will the 1100 Gallon Vertical Liquid Storage Tank - Natural White (87" x 53") #42591 last?
On an engineered pad, within its 1.5 SG and temperature limits, and serviced for the chemicals it holds, this low, wide 1100-gallon tank comfortably passes fifteen years. The seamless wall has no weld to fail, and the squat body makes wind and tipping non-issues; a settling foundation or incompatible chemical is what ends a tank early, never the polyethylene.
What chemicals can I store in this tank?
Its 1.5 SG rating accommodates agricultural chemicals, liquid fertilizers, and most industrial solutions up to 12.5 pounds per gallon, after you verify each one against a polyethylene compatibility chart. Leave fuels, solvents, and flammables out and reserve it as a dedicated chemical vessel.
What kind of foundation does a 1100-gallon tank need?
With roughly 13,946 pounds over an 87-inch base, plan an engineered reinforced slab or a deep compacted crushed-stone ring extending past the base and held flat to a quarter inch, specified by a structural professional for your soil.
Does this tank come with a warranty?
Yes — Norwesco's 3-year warranty protects against manufacturing defects in normal use, covering factory faults but not overfilling past 1.5 SG, foundation problems, chemical attack, or impact. Store the receipt and install photos where you can find them.
Can I install this tank underground?
No. The flat wall is meant for above-ground duty and has no resistance to soil pressure; burial risks collapse and voids the warranty. When the tank must go underground, a ribbed underground tank is the engineered answer.
Buying Considerations
Confirm roughly 41 square feet of pad area where you want it, have a structural professional size the slab for the 13,946-pound load over an 87-inch base, and arrange LTL freight with the equipment and access to offload a tank this wide.
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