With dozens of water delivery businesses operating across Islamabad and Rawalpindi, it can be hard to tell which ones are actually rigorous about water quality and which are just repeating industry buzzwords. Here is a practical checklist you can use with any provider, including us.
1. Ask for actual certification numbers, not just logos
Any water business can put an ISO logo on their website. A genuine one can give you the actual certificate or licence number so you can verify it independently. At minimum, ask for:
- ISO 9001 (Quality Management System) certificate number
- ISO 22000 (Food Safety Management System) certificate number
- PSQCA licence number for the Pakistan Standard Mark on bottled drinking water
- Islamabad Food Authority (or relevant provincial food authority) licence number
2. Ask what the purification process actually removes, not just what it "purifies"
"Purified" is a vague word. A provider who takes water quality seriously should be able to walk you through specific stages and what each one addresses: sediment and chlorine removal, dissolved solids and heavy metals, microbial disinfection, and mineral balance. If a provider cannot explain their process beyond "we filter it," that is worth noting.
3. Check the bottle and deposit terms
Refillable 19 litre bottles are the norm in this market, and that is a good thing for both cost and sustainability. But ask what happens between refills:
- Are bottles washed and sterilised between uses, and with what process?
- Is there a bottle inspection step, so damaged or contaminated bottles are pulled from circulation?
- What is the deposit amount, and is it clearly refundable when you end service?
4. Look at delivery reliability, not just price
The cheapest 19 litre refill is not a good deal if it never arrives on schedule. Ask about:
- Typical delivery frequency and how the schedule adjusts to your usage
- Whether rush or emergency requests are supported if you run out early
- What areas are actually covered, since "Islamabad and Rawalpindi" can mean very different things depending on the provider
5. Read reviews with some scepticism
Check recent reviews, not just the overall star rating, and look for patterns rather than one-off complaints. Also worth knowing: some water brands in this market share very similar names, so make sure the reviews you are reading are actually for the business you are considering, not a similarly named one.
6. Ask about pricing transparency upfront
You should be able to get a clear answer on the refill price, the deposit amount, and whether there are any hidden delivery or minimum-order charges, before you commit to service.
How DEOSAI measures up
We would rather you use this checklist than take our word for it. DEOSAI's 19 litre refills are Rs 350, with a refundable Rs 1,300 per-bottle deposit, ISO 9001:2015, ISO 22000:2018, PSQCA and Islamabad Food Authority certification, and a documented 12-step purification process you can review in full on our Our Water page. If it checks out for you, request service and we will get your first delivery scheduled.