and the group says bay area lawmakers helped rack up the bottle water bill with representatives joe lofmanaker nancy pelosi more $22, $22,000. >> bottle water is a wasteful expense then the bottles go into the water. >> so when congress spends unnecessary funds on bottled water it's sending money down the drain that could actually be going into infrastructure investment. >> reporter: some say here's the solution. water filtration systems that on the high end cost about $1,400 a pop. but if you take the amount of money the u.s. house spends on bottle water every year, you can buy this for every single congressional office on capitol hill. many offices already bought the filtration system. >> everybody has to look at their expenditures and do what's right. >> reporter: but he said we shouldn't demonize an industry that provides jobs. still, it looks like america may want congress off the bottle. >>> congresswoman lofren's office sent us a message that says that the office now has a filtration. congresswoman wolfman's office says that they still use bottle water because excessive lead was fou