What to do if there is no safe water
Official updatesLU-Alert · RTL, 100.7 · 112
Do this now
- Stop drinking tap water that looks, smells or tastes odd. Check LU-Alert, Status: Verified or the commune for a notice. No water at all: ask a neighbour, then the supplier.
- Fill clean bottles, pans and the bathtub while the taps still run. A weak supply can stop completely later.
- Boil tap water under a boil notice for Status: Verified before you drink it, cook with it, brush your teeth or make up a baby's bottle. Let it cool in a clean, covered container.
- Use bottled water for all of that under a do-not-drink notice, for pets too. Do not rinse salad or fruit under the tap. Showers and hand-washing are fine as long as you swallow nothing.
- Ration what you have: drinking first, cooking second, washing last. Keep each adult at Status: Verified a day at the very least, and limit activity: stay cool and still, and eat foods with the most water first.
- Flush as little as possible. Without supply you may get one flush, and pouring water down the drains can make the sewers back up. Line the bowl with a bin bag instead, cover with litter or paper, double-bag it and put it in the normal waste.
- Keep following the notice even when the water looks normal again, until the supplier or the commune lifts it.
Before
Store water
- Status: Verified per person per day, for Status: Verified. Most of it is for drinking and cooking, the rest for a quick wash.
- Add Status: Verified in hot weather.
- Keep it in sealed bottles, preferably small ones, somewhere cool and dark. Check the taste and smell and swap the stock Status: Verified.
- Keep clean, empty containers with lids to fill from a tanker or a distribution point.
Older documents say
An undated infocrise kit leaflet says at least 6 L of water per person for "several days"; the 2026 guide says at least 3 L per person per day. We plan with 4 L per person per day, which covers drinking, cooking and a quick wash.
Why so much water
- The body itself needs less. At rest in a cool room an adult must replace about Status: Verified a day from food and drink together. The European reference intake for comfort is Status: Verified for women and Status: Verified for men, and Status: Verified of that normally comes from the water in food.
- The "two litres a day" rule was never measured. It descends from a Status: Verified US food allowance for total water, which added that most of it is in prepared food. Later readers dropped that sentence.
- Your water supply also needs to cover cooking and washing. Emergency food is dry or tinned, so it carries little water; rice and pasta soak up water in cooking; hands still need washing. That is why the stock is bigger than what you drink.
- Heat, hard work, a fever or diarrhoea each add about a litre a day or more. Measured daily water turnover in adults spans Status: Verified a day, so a small supply leaves no spare water.
Know how to make water safe
- Boiling is the surest method: a rolling boil for Status: Verified, then cool it covered.
- If you cannot boil: Status: Verified. Plain, unscented bleach only.
- Purification tablets or a filter make rainwater or stream water usable; follow the instructions on the pack.
- Boiling and bleach do not remove chemical pollution. If the notice says do not drink, use bottled water only.
Older documents say
The infocrise drinking-water pages (2023) say two minutes and the infocrise leaflet one minute; the Estonian guide says three to five. We say three minutes at a rolling boil: longer never makes water less safe.
Prepare the home
- Know where the main stopcock is and how to turn it off.
- Plan a toilet without water: bin bags, cat litter or sawdust, a bucket with a lid, toilet paper.
- Wet wipes and hand sanitiser mean clean hands without water.
- Stock food that needs little or no water to prepare.
- For other supplies, see the emergency kit checklist. A Loss of power in your street or part of town, usually for a few hours.Loss of power in your street or part of town, usually for a few hours.Power cuts and blackouts can stop the pumps too, so read Power is out as well.
After
- Wait until the supplier or the commune lifts the notice. Then let the cold taps run for a short while before you drink from them.
- If the water still looks, smells or tastes wrong, report it to the supplier and keep using bottled water.
- Wash and dry the containers you used, and refill your stock of bottles.
If you are…
Looking after children
- Make up bottles and baby food with bottled water, or with water you have boiled and cooled.
- Watch that small children do not drink from the tap or the bath.
Older, ill, or living with a disability
- Full containers are heavy. Agree now who will fetch water for you from a distribution point: a neighbour, family or the commune.
- Keep bottled water next to medicines that must be taken with water.
With pets
- Pets drink bottled or boiled water too. Count about Status: Verified a day for a dog and Status: Verified for a cat in your stock.
In a flat above the third floor
- Pressure drops first on the upper floors, and a booster pump stops in a power cut. Fill containers at the first sign of trouble and plan for carrying water up the stairs.
Easy-read summary
- Fill bottles and the bath while the tap still runs.
- Do not drink tap water if the authorities say it is not safe.
- Boil water before you drink it, or use bottled water.
- Give children and pets clean water too.
- Listen to the radio to hear when the water is safe again.