No Cold Water Pressure Into My Home?

It seems I have a problem with cold water and warm to me just for me. The pressure is good (not too large), I have hot water, cold water, but if I have to meet its own load washing machine to wash coth can take 1 / 2 hour or more. Is the same bathtub. Can you help me and tell me what to do. I have check box, taps are in order.