MORE ABOUT WATER

1. The water with which Wudhu or Ghusl has been made is called MUSTA’MAL (used) WATER. This itself is TAAHIR, but Wudhu or Ghusl is not ALLOWED with this water.
2. Water from which DOGS, PIGS or ANIMALS of PREY have drunk is NAJIS (Impure). The water which a CAT drinks immediately after eating a mouse or any other creature is NAJIS (Impure). Water left by a person who has just drunk WINE is also NAJIS (Impure).
3. Water left by a cat (if it has not just eaten a mouse), a cow, buffalo or hen that eats anything Impure (filth), lizard, crow, kite, hawk, eagle and all other Haraam birds, is MAKROOH.
4. The water which has been left over after drinking by human beings, Halaal animals’ e.g.. a cow, goats, pigeons, doves and horses, is TAAHIR (clean).
5. All types of water will become NAJIS if NAJAASAT falls into them. However, two types of water are excluded from this rule, namely: 
   1. Flowing water of river or sea and
   2. STORED water in LARGE QUANTITY, e.g. large reservoir or huge tank.
6. Stored or standing water which covers an area of approximately 21 x 21 FEET, THAT IS + (6.5m. x 6.5m) and is deep enough so that a person can take out water with his hands without baring the ground, is regarded as large quantity of water. Any tank or reservoir as big as that will be called a BIG TANK or a BIG RESERVOIR.
7. Any animal or bird which has FLOWING BLOOD and falls into water of a SMALL quantity and dies will make the water NAJIS (Impure). E.g. birds, fowls, pigeons, cats or mice, etc.
8. The water of a big tank or reservoir becomes NAJIS when the TASTE, COLOUR or SMELL of the NAJAASAT becomes apparent.
9. Animals that are born and live in water, e.g.. fish, frogs, etc. or insects that do NOT have FLOWING BLOOD, e.g.. flies, lizards, frogs or ants do not make the water NAJIS if they have to die inside the water.