11 Easy Ways to Slash Your Water Bill and Prevent Day Zero in South Africa (2026)

How to Reduce Your Water Bill While Helping Avert the Next Day Zero

With reports of looming "water bankruptcy" and the City of Cape Town urging residents to drastically cut consumption during the hot summer months, water conservation has become a priority. South Africa is a water-scarce country, receiving only half the global average annual rainfall. As we face the heat, saving water not only prevents "Day Zero" but also saves money on utility bills and reduces the energy required to pump and treat water.

Here's how to reduce your household water footprint:

Bathroom

The bathroom is often the largest consumer of household water. Here are some tips to start water conservation in the bathroom:

1. The "Yellow Mellow" Rule: Avoid dry taps by flushing only when necessary. Use greywater (recycled from baths, laundry, or showers) poured from a bucket rather than using the handle, if possible.
2. The Stop-Start Shower: Keep showers to a maximum of two to five minutes. Use the "stop-start" method: wet your body, turn off the tap to soap up, and turn it back on only to rinse.
3. The "Washbasin" Strategy: Place a bucket or a washbasin in your shower to capture the water that usually runs down the drain while it warms up or while you rinse. This collected greywater can be used to flush toilets.
4. Modify Your Cistern: If you must use municipal water to flush, ensure your cistern isn't wasting it. You can reduce the flush volume by placing a one or two-litre plastic bottle filled with water into the cistern mechanism.

Kitchen and Laundry

1. Full Loads Only: Whether using a washing machine or a dishwasher, ensure you wait for a full load before running a cycle. Modern washing machines have become more efficient, but running them half-empty negates this benefit. For dishwashers, skip the pre-rinse; scrape plates instead to save up to 1,000 litres a year.
2. The Basin Method: Never wash dishes or vegetables under a running tap. Using a plug or a plastic tub in the sink can save a lot of water. This water can be repurposed for the garden.
3. Smart Cooking: Fill your kettle only with as much water as you need for that specific cup of tea. Keep a jug of water in the fridge so you don't have to run the tap waiting for the water to cool down.

Summer Gardening and Pool Maintenance

1. Cover Up: If you own a pool, a cover is non-negotiable. It significantly reduces evaporation, saving thousands of litres. During drought restrictions, topping up pools with municipal drinking water is strictly prohibited.
2. Mulch and Timing: Apply a layer of mulch (bark chips, straw, or leaves) to the soil to increase soil moisture retention by up to 50%. Irrigate only at sunrise or sunset to prevent immediate evaporation.

The 'Silent' Leaks

1. Check Your Meter: Leaks can account for 5% of all water used in a home. To check for underground leaks, turn off all taps and check your water meter. If the digital reading changes or the star wheel on a dial meter turns while no water is being used, you have a leak.
2. The Toilet Test: A leaking toilet can waste up to 100,000 litres a year. Test for a silent leak by putting a few drops of food colouring in the cistern. If the water in the bowl turns coloured after 15 minutes without flushing, you have a leak that requires a washer replacement.