Water pressure problem? Hi, I hope someone can help me here. Lately our wet pressure...

Hi, I hope someone can help me here. Lately our wet pressure is not as good as it be. For instance, if I were to run the sea in the hip bath and the sink at the same time, the hose would be just a mild stream contained by one or the other. Also, in my bathroom down within the basement, when the hot dampen is turned on in the shower, near is this wierd humming noise. If I turn the wet to cold, it goes away. I walk in the laundry room of late today and heard a wierd clanking din coming from the water heating system. What can this all imply?
How can I speak about if I am...
Answers:    Not sure about the pressure loss.
Have you checked w/the river folks?
There might be system problems explaining the pressure loss and possibly entrained air.

For the noise try reading these links for ideas:
http://www.irrigationtutorials.com/water...

http://www.plbg.com/forum/read.php?1,158...
Smell of sewer gas within cellar-we own a...
could plan your water stove needs to be flushed, sometimes gunk approaching calcuim deposits from water build up within there and grounds the line to become clogged, flush your system and see if that help.