Electronic Water Meters for Showers, Drains and the Household Budget

1. Shower Timer

Did you know that a ten-minute shower consumes at least 120 liters of water? That sounds like a lot, especially if there are four people living in a house. If each of them is in the habit of taking a shower twice a day, that amounts to 960 liters used daily just washing. Reducing shower time by only two minutes would help a family of four save up to 192 liters of water per day. You don’t need a waterproof stopwatch to do this – a shower timer would work perfectly. You program your shower time, and when the time’s up, the timer lets you know with a nasty loud buzz. Read more

Facts and figures about Sudan

  • Annual rainfall varies from 25 mm in the Sahara desert, in the north, to over 1,500 mm in the south.
  • Sudan is so vast (about 2,000 km from north to south and 1,800 km from east to west) that it lies in multiple climatic zones. In the north, where the Sahara extends into much of the country, the climate is arid, while the south is influenced by a tropical wet-and-dry climate. This variation directly affects rainfall: a rainy season runs from April to October in southern Sudan, but the rainy period gradually diminishes in length towards the north, and rainfall is scarce in the far north.
  • In addition to geographic and seasonal variability in rainfall distribution, there are indications of a decreasing trend in the amount of rainfall in the last 30 years, with the dry zone increasingly extending towards the south.
  • Almost 80% of the country falls in the basin of the Nile River and its two main tributaries: the White Nile, originating in the equatorial lake region (shared by Burundi, Kenya, Rwanda, Uganda, the United Republic of Tanzania and Zaire), and the Blue Nile, which rises in the Ethiopian highlands. The two join at Khartoum to form the Nile, which flows northwards through Egypt to the Mediterranean Sea.  Read more

Facts and figures about the La Plata River Basin (Argentina, Bolivia, Brazil, Paraguay and Uruguay)

  • Extending over 3.1 million km2, La Plata River basin is the second largest river system in South America and the fifth largest in the world. Shared by Argentina, Bolivia, Brazil, Paraguay and Uruguay, it covers about one-fifth of South America. With over 100 million inhabitants, close to 50 big cities and 75 large dams, La Plata River basin is at the core of the region’s socio-economic activities, which generate around 70% of the per capita GDP of the five basin countries.
  • With its extensive geographic coverage, La Plata River basin is highly variable topographically, ranging from 4,000 metre high mountains in north-western Argentina and southern Bolivia to almost sea level southern plains in Argentina and Uruguay. Rainfall similarly varies, from less than 700 mm per year in the western Bolivian highlands to more than 1,800 mm per year along the Brazilian coast in the east. Read more

Facts and figures about the Han River Basin (Republic of Korea)

  • The capital, Seoul, one of the world’s largest cities, is located in the Han River basin. The population of the basin, now 41% of the national total, almost tripled between 1966 and 2005, from about 7 million to almost 20 million. Nevertheless, urban areas account for just 1% of the basin. Forests make up 78%, cultivated areas 16%, and grasslands and water bodies 5%. The Han River basin is considered the heart of South Korea.
  • Annual renewable water resources in the Han River basin are estimated at 16 billion m3. As of 2003, 8.5 billion m3 of this amount was actually in use.
  • Owing to the high rate of urbanization, the household sector – which accounts for 2.8 billion m3 (33% of overall consumption) – is the number one source of consumption, followed by agriculture (1.6 billion m3 or 19%) and industry (0.8 billion m3 or 9%). The remaining 3.3 billion m3 is allocated for environmental purposes. Read more

Water conservation facts and tips

  • Less than 2% of the Earth’s water supply is fresh water.
  • Of all the earth’s water, 97% is salt water found in oceans and seas.
  • Only 1% of the earth’s water is available for drinking water. Two percent is frozen.
  • The human body is about 75% water.
  • A person can survive about a month without food, but only 5 to 7 days without water.
  • Every day in the United States, we drink about 110 million gallons of water.
  • Landscaping accounts for about half the water Californians use at home. Showers account for another 18 percent, while toilets use about 20 percent.
  • Showering and bathing are the largest indoor uses (27%) of water domestically.
  • The average American uses 140-170 gallons of water per day.
  • If every household in America had a faucet that dripped once each second, 928 million gallons of water a day would leak away.
  • There are 7.48 gallons in a cubic foot of water. Therefore, 2000 cubic feet of water is 14,960 gallons.
  • An acre foot of water is about 326,000 gallons. One-half acre foot is enough to meet the needs of a typical family for a year. There are 7.48 gallons in a cubic foot of water. Read more