3000 Gallon Plastic Water Storage Tank - Black (102" x 93"): Complete Buyer's Guide
3,000-gallon black water storage tank built for safe potable water storage. Manufactured by Norwesco from virgin linear polyethylene (HDPE) rated to handle liquids up to 9.2 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 1.1 — the tank is engineered for liquids up to 1.1× the density of water (water is about 8.34 lb/gal). Confirm your fluid’s SG before storage.
Product Overview
The 3000 Gallon Plastic Water Storage Tank in black is built for operations whose water demand has outgrown the 2500-gallon class — larger irrigation runs, multi-animal livestock, rural fire reserves, and commercial sites that need a deeper buffer. At 93 inches tall on a 102-inch base, it carries 3000 gallons in a near-balanced form that stays planted under load.
Norwesco molds it in a single rotational pass from virgin linear polyethylene, producing one continuous wall with no seam or weld to leak. The 1.1 specific gravity rating engineers the shell for liquids up to 9.2 pounds per gallon, which covers water and most everyday liquids with margin. Black pigment shields the resin from UV and denies stored water the light algae would need to take hold.
This tank covers about 57 square feet and weighs 380 pounds empty. Filled with rated-density water it puts roughly 27,902 pounds onto the foundation — a load that demands a properly engineered slab, not an approximation. A factory 2-inch NPT outlet handles discharge and a 16-inch lid opens the interior for inspection, cleaning, and the installation of floats or pumps.
Key Features and Specifications
- 3,000-gallon capacity — sized for safe potable water storage
- Constructed from virgin linear polyethylene (HDPE) with 1.1 specific gravity rating — handles liquids up to 9.2 lbs/gal
- 93" tall x 102" diameter — compact vertical footprint
- 380 lbs empty, approximately 27,902 lbs when full at rated specific gravity
- 2 NPT outlet fitting — factory installed and leak-tested
- 1.5 NPT inlet fitting included
- 16" lid opening for fill, venting, and interior access
- FDA approved for potable water and food-grade liquid contact
- 3 Year Warranty from Norwesco against manufacturing defects
- UV-resistant black pigmentation provides maximum outdoor durability and inhibits algae growth in stored liquids
- 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 dedicated freight carrier due to oversized dimensions — contact us for delivery timeline and site access requirements
Installation and Setup Guide
At 93 inches by 102, this 3000-gallon tank is just slightly wider than it is tall, a stable proportion for nearly fourteen tons of full load. That 27,902-pound weight spreads over 57 square feet, but the same broad 102-inch flat bottom that distributes the load also reveals every defect in the pad, so the foundation does the heavy lifting in this install — literally.
Site Preparation
Treat the slab as a structural element. Plan a reinforced concrete pad, thickness specified by a professional for your soil, extending a foot beyond the 102-inch base, or a deeply compacted crushed-stone ring; either way, screed it flat to a quarter inch across the full width. Under 27,902 pounds, a low spot does not merely overstress the wall — it invites progressive settling that slowly tips the tank off plumb.
Placement and Connections
Run the discharge from the factory 2-inch outlet at the foot of a nearly eight-foot water column, where head pressure peaks, and protect it with a flexible coupling so the tank's expansion and creep never load the bulkhead directly. Keep the line short and low. Govern your fill so the 16-inch lid vents the displaced air freely, and snug all threads by hand a quarter turn past tight.
Venting
Three thousand gallons leaving the tank pulls three thousand gallons of air back in, and a sun-warmed black shell sharpens that pressure swing. Keep the 16-inch lid's screened vent fully open as the relief path; a blocked vent answers the first hard draw-down by buckling a wall or dishing the top, abruptly rather than over time. On a tank this size, the vent check is the habit that prevents the most expensive failures.
Maintenance and Long-Term Care
Three thousand gallons of potable water is a major reserve, and the black wall keeps algae starved of light, but a tank this size still rewards a steady seasonal rhythm. The routine below protects both the drinking water and the engineered foundation carrying nearly fourteen tons.
Quarterly Inspection Checklist
- Sidewall scan: Look across the 102-inch shell for any low bulge — on a 27,902-pound tank that is the first sign of a settling pad or overweight contents.
- Outlet check: Inspect the 2-inch bulkhead, the highest-head fitting, for weeping and hand-tighten if it has crept.
- Foundation audit: Walk the full perimeter for erosion or settling after weather, since this load magnifies any pad movement.
- Vent and 16-inch lid: Confirm the screened vent is clear and the lid gasket seats, keeping the deformation guard and the contaminant barrier both intact.
Cleaning
Drain all 3000 gallons through the 2-inch outlet annually, rinse the interior, and run a 50-ppm chlorine solution with about an hour of contact before refilling for potable use. The broad 102-inch floor gathers sediment that the yearly full drain removes, and the open lid is the moment to wipe its gasket and confirm the supply is staying sealed.
UV and Weather Protection
Black gives this large tank the strongest UV defense Norwesco builds, though the stabilizer still erodes under years of direct sun. Check the south face annually for chalking; the tank will outlast lighter-colored equivalents, and shade in severe desert exposure widens that margin further.
Alternatives and Comparisons
Three thousand gallons in black sits a step above the 2500-gallon class and a step below the 5000-gallon giants. If 3000 is more than you need, the 2500-gallon tanks ease both pad and freight; if it is not enough, the 5000-gallon black tank carries far larger reserves at a correspondingly heavier foundation. Compare loaded weights — this one already commits you to an engineered slab.
Other 3000-Gallon Options
Frequently Asked Questions
How long will the 3000 Gallon Plastic Water Storage Tank - Black (102" x 93") last?
On an engineered foundation, within its 1.1 SG and 120°F limits, and with the annual cleaning, this black 3000-gallon tank reliably reaches fifteen to twenty years. The seamless wall has no welds to fail and the black UV package is the most durable offered; a settling pad or stagnant water is what ends a tank of this size early, never the polyethylene.
What chemicals can I store in this tank?
It is made and FDA-approved for potable water and food-grade liquids, and within its 9.2-pound-per-gallon rating it handles many lighter solutions as well. Keep fuels, solvents, and flammables out entirely, and verify any chemical on a poly compatibility chart first, since the resin resists most acids and bases but not certain oxidizers.
What kind of foundation does a 3000-gallon tank need?
With roughly 27,902 pounds bearing down, this requires a professionally engineered reinforced concrete slab sized past the 102-inch base, or an equivalent deep compacted crushed-stone ring screeded flat to a quarter inch. At nearly fourteen tons, do not improvise — have the slab specified for your soil conditions.
Does this tank come with a warranty?
Yes — Norwesco's 3-year warranty covers manufacturing defects under normal use, meaning factory faults rather than overloading past 1.1 SG, foundation failure, chemical attack, or impact. Keep your receipt and install photos to support any claim.
Can I install this tank underground?
No. This is an above-ground tank whose flat wall cannot withstand soil pressure; burying it would collapse the tank and void the warranty. For below-grade storage, use a ribbed, reinforced underground cistern designed for burial.
Buying Considerations
Square away three items before ordering: confirm a 57-square-foot pad with overhead lid clearance, engage a structural professional to size the slab for the full 27,902-pound load, and book LTL freight with offload equipment and clear access for a tank this large and heavy.
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