The 525 Gallon Plastic Water Storage Tank (MPN N-41491) is a vertical-cylinder potable-water storage tank built to ASTM D1998 standards for polyethylene atmospheric tanks, with NSF/ANSI 61–listed resin for drinking-water system service.
Design
- Translucent natural-color option permits visible fill-level inspection without an external gauge
- One-piece rotomolded construction — no welded seams, no bolted joints (failure paths in steel or fiberglass alternatives)
- NSF/ANSI 61–listed resin certified for drinking-water-system component service
- UV-stabilized polyethylene compound rated for direct outdoor sun exposure without coating
- Self-supporting flat-bottom design — no internal bracing, no external support cage required
Installation
Set on a level concrete pad, compacted base ring, or 2x6 wood platform sized at least 6 inches wider than the tank diameter. A filled water column at 525 gallons exerts approximately 4,378 lb of point load — confirm the supporting structure meets this load case before commissioning. For wind-exposed installations or seismic IBC Risk Category III/IV jurisdictions, anchor the tank with steel strapping to a structural foundation per ASCE 7 Chapter 13 non-structural component anchorage requirements.
Common applications
- Fire-protection auxiliary supply per NFPA 1142 for rural residential and small-commercial sites
- Construction-site water staging for concrete mixing, dust suppression, and equipment wash-down
- Rainwater harvesting downstream of gutter collection systems
- Greenhouse and nursery irrigation buffer for drip and overhead systems
- Agricultural orchard, vineyard, and row-crop drip-irrigation supply tank
- Rural homestead and off-grid cabin whole-house potable water buffer
Compatibility & compliance
Rotomolded HDPE wall meets ASTM D1998 (Polyethylene Upright Storage Tanks for Storage of Aggressive Chemicals) for non-pressurized atmospheric service. NSF/ANSI 61 listing applies to drinking-water-system components when the OEM model carries the certification mark. Not rated for petroleum products, organic solvents, or liquids of specific gravity above 1.0 unless the tank is explicitly labeled for heavy-duty service.
Shipping
Ships LTL freight from the nearest manufacturing plant. ZIP-specific freight quotes are available through the freight estimator or by phoning 866-418-1777 with MPN N-41491.
3 Year Warranty
