the western trailer park in san jose to draw attention to what they call dangerous and sometimes uncleanons. they are angry that owners are not upgrading the park's sewage system. through a translator, they told us before christmas last year rain overwhelmed the pipes. >> the water of the assume system came into my whole house, it was flooding. i came into the trailer, i saw the water on the floor. and it was just a horrible smell. i was frightened and scared because i didn't know what to do to keep the water from coming out. >> the plumbing is at least 70 something years old. that needs to be changed and upgraded somehow, and they don't want to make to changes. >> reporter: the park manager says it is not true. he says after the vice mayor intervened, they passed a code inspection in july. >> we don't have a faulty system, everything is 100% working in our property. >> they say it is about 60-70 years old, needs upgrading. >> we have upgraded each year, spent at least over 15,000 a year to work on it. >> reporter: we talked to one tenant who agreed. >> i never had that problem so i don'