Water Storage Tanks for Water Refill Stations: What Size and Type?

Quick answer: A water refill station needs two kinds of storage: a raw-water tank (at least one day of supply, so outages do not stop sales) and a clean product-water tank after treatment (enough for your busiest 2–3 hours). Use food-grade plastic or stainless steel for product water, keep it covered and clean it on a schedule.
Key facts
- Raw water: hold at least one full day of expected sales
- Product water: cover the busiest 2–3 hours so a smaller plant keeps up
- Food-grade plastic or stainless steel only for treated water
- Clean and disinfect product tanks regularly and keep records
On this page
How big should the tanks be?
| Daily sales | Raw-water tank | Product-water tank |
|---|---|---|
| 1,000 L | 1,000–2,000 L | 300–500 L |
| 2,500 L | 3,000 L | 500–1,000 L |
| 5,000 L | 5,000–10,000 L | 1,000–2,000 L |
Plastic or stainless steel?
- Food-grade plastic: low cost, light, good for raw water and product water indoors.
- Stainless steel: easy to clean and sanitise, looks professional, lasts longest; the choice for product water and bottling.
Tank prices
Storage tanks from our shops:
500l Reliance water storage tankKSh 5,500
1000L Reliance Loft Tank – No More Water Shortages!KSh 12,500
50 liters stainless tankKSh 7,000| Product | Price |
|---|---|
| 500l Reliance water storage tank | KSh 5,500 |
| 1000L Reliance Loft Tank – No More Water Shortages! | KSh 12,500 |
| 50 liters stainless tank | KSh 7,000 |
Current listed prices incl. VAT (updated 30 September 2026).

Built-in storage options
| Model | Size / capacity | Price |
|---|---|---|
| 200 LITERS WATER VENDING MACHINE | 200 L | KSh 150,000 |
| 250 LITERS WATER ATM MACHINE | 250 L | KSh 170,000 |
| H-Tech 3-in-1 Municipal UF 250L | 250 L | KSh 240,000 |
| 300 LITERS WATER ATM MACHINE | 300 L | KSh 190,000 |
| H-Tech 3-in-1 Municipal UF 500L | 500 L | KSh 280,000 |
Current listed prices incl. VAT (updated 30 September 2026). Full range: Water vending machines price list.
Tank hygiene
- Keep lids closed and vents screened.
- Drain, scrub and disinfect product tanks on a fixed schedule; record the dates.
- Keep treated water out of direct sun.
Frequently asked questions
What size tank does a water refill shop need?
Hold at least one day of sales as raw water, plus a product-water tank for your busiest 2–3 hours.
Can I use a plastic tank for purified water?
Yes, if it is food-grade, covered and cleaned regularly. Stainless steel is easier to keep hygienic.
How often should I clean the storage tank?
On a fixed schedule set in your hygiene plan, and whenever tests or inspections require; record every cleaning.
Do refill machines come with tanks?
Many H-TECH stations include built-in stainless storage (200 L to 1,000 L); see the table above.
