Short answer. Qatar's drinking water is produced mainly by desalinating seawater, and KAHRAMAA's 2014 overview of its water quality requirements says more than 99.6% of it is supplied through its network, the rest by water tankers 1. Phaenyx found no public list of boil-water or do-not-drink notices in Qatar. Qatar sets no official quantity of water to store at home. Water stress in Qatari cities is "extremely high" 3.
How do I know if my tap water is unsafe?
KAHRAMAA is responsible for the drinking water supply under Decree Law No. 45 of 2009 1. According to its 2014 overview, its quality requirements were developed from a review of the Gulf (GSO) standard for unbottled drinking water, WHO guidelines and other international standards 1. The same document lists water quality emergency plans and water tanker licensing among the activities it controls 1. Phaenyx found no public page where boil-water or do-not-drink notices are posted. If the authorities or KAHRAMAA tell you not to drink the water, follow that instruction. See What to do during a boil-water notice, Do-not-drink notices and our Qatar alerts page for how official warnings reach you.
What about the tank on my building?
KAHRAMAA's 2014 document names roof and ground tanks at customer properties as a weak point 1:
- water can heat up further when stored in roof tanks;
- windblown dust can get into storage tanks and cloud the water;
- where sunlight reaches roof and ground tanks at customer properties, biofilms and algae can grow, which may carry health risks.
KAHRAMAA also notes that a sudden change in taste or odour may signal pollution or a fault, and should be investigated promptly 1. If you rent, ask your building management when the tank was last cleaned and whether it is covered.
How much water should I store?
Qatar publishes no official household stockpile list and no number of days or litres; see our Qatar emergency supplies page. For the daily volumes used by other agencies, see How much water to store per person per day? and Water storage containers.
Is Qatar short of water?
On the natural-resource side, yes. In WRI's Aqueduct 4.0 model, the population-weighted median of Qatari cities is in the "extremely high" category for current water stress and stays "extremely high" in the 2050 business-as-usual projection 3. These are city medians: a given area can sit higher or lower. Connection is not the issue: KAHRAMAA reports 100% water supply coverage in all eight municipalities for every year from 2020 to 2025 2. The risk is a supply that depends on plants, pipes and power, so a home reserve is the practical buffer. See No running water at home and Drought preparedness.
What should I do after a flood?
Follow official instructions on tap water. See Water safety after a flood and How to purify water. A household plan can keep your water stock and emergency contacts in one place.
Frequently asked questions
Where does Qatar's tap water come from?
Mainly from thermal seawater desalination plants; in KAHRAMAA's 2014 overview, its network supplied more than 99.6% of it and water tankers the remaining 0.4% 1.
Who is responsible for drinking water in Qatar?
KAHRAMAA, under Decree Law No. 45 of 2009 1.
Where are boil-water notices published?
Phaenyx found no public list. Follow instructions from the authorities and KAHRAMAA, and see our alerts page.
How many days of water does Qatar recommend?
Qatar sets no official number of days or litres. See our water-per-person guide.
Sources
- Qatar General Electricity & Water Corporation (KAHRAMAA) — Overview on: KAHRAMAA Drinking Water Quality Requirements (2014) — https://www.km.qa/MediaCenter/Publications/KAHRAMAA%20Drinking%20Water%20Quality%20Requirment.pdf (accessed 2026-10-27)
- KAHRAMAA, via the Qatar Open Data Portal (data.gov.qa) — Water Supply Coverage by Municipality — https://www.data.gov.qa/explore/dataset/water-supply-coverage-by-municipality/ (accessed 2026-10-27)
- World Resources Institute (WRI) — Aqueduct 4.0 (water stress and 2050 projection) — https://www.wri.org/aqueduct (accessed 2026-10-27)
Turn this into action
Your plan for Qatar, worked out for your household.
- Water, food and equipment counted for each person and pet
- The nuclear plants and zones around your home
- Phaenyx Safe: one tap to tell your people you are safe
Sources
- Qatar General Electricity & Water Corporation (KAHRAMAA) · Overview on: KAHRAMAA Drinking Water Quality Requirements (2014) checked 2026-10-27
- KAHRAMAA, via the Qatar Open Data Portal (data.gov.qa) · Water Supply Coverage by Municipality checked 2026-10-27
- World Resources Institute (WRI) · Aqueduct 4.0 (water stress and 2050 projection) checked 2026-10-27