Toilet Repair in Arvada, CO

My Arvada toilet keeps running. Is it the water?

Probably not. Arvada treats water from Denver Water's North System and Clear Creek at its Ralston and Arvada plants, and the 2026 report lists average hardness of about 43 ppm and 65 ppm. That's soft by Front Range standards, so heavy mineral crust is less common here than in hard-water suburbs. A running tank in Arvada is more often a flapper that has stiffened with age, a chain that catches, or a fill valve whose seal has worn. Those are inexpensive parts, and a plumber can usually replace them without taking the toilet off the floor.

Why does fixing a leak at the base turn into a bigger job in older homes?

Arvada's median home was built in 1979, and about 52% of houses are older than 1980. Much of that stock grew up after World War II around Olde Town and along Wadsworth, Ralston and Kipling. In those homes the toilet has often been replaced once or twice, but the flange it bolts to, the closet bend below it and the angle stop behind it may be original. When a plumber lifts the bowl to replace a wax ring, a flange that's cracked at the bolt slots or sitting below a newer floor has to be repaired before the toilet can seal again. Catching a base leak early, before the subfloor softens, keeps that repair small.

What can and can't go down an Arvada toilet?

Arvada is specific about this. City code says flushing wipes or paper towels is a violation, even when the package says flushable, and sump pumps can't discharge into the sanitary sewer. Wipes don't break down the way toilet paper does; they snag in the trap or collect further down the line. That matters because homeowners maintain their own sewer service line from the house to the city main, and the city does not clean or televise residential laterals. A clog past the toilet is a private repair.

A note on permits and districts

Most Arvada addresses get water and sewer from the city, but a few areas are served by districts such as Ralston Valley Water and Sanitation, Clear Creek Sanitation or Consolidated Mutual; the city's district maps show which. Arvada Building Services handles residential plumbing permits, and the plumber can tell you whether a toilet replacement at your address needs one. For a water or sewer main emergency, Arvada Utilities' line is 720-898-7070.