Adams County · Denver Metro
Drain Cleaning in Westminster, CO
Most of Westminster went up between the 1960s and 1980s, so a large share of its homes are now forty to sixty years old: past the age where sewer lines are trouble-free, but often not yet replaced.

Clogged drain in Westminster?
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Westminster homes and their sewer lines
South Westminster, near the old town center along Lowell and 72nd, has the oldest homes. The city's big growth came in the 1970s and 1980s with ranches, split-levels and two-story homes spreading north and west toward Standley Lake. Newer areas near the northern edge and around Westminster Station have PVC lines.
Westminster straddles Adams and Jefferson counties; the city operates its own water and sewer utility.
What clogs drains in Westminster
Older laterals in the 1960s and 1970s neighborhoods are a mix of clay and early plastic, with roots and offset joints behind most repeat main line backups. Kitchen grease and lint from basement laundry rooms cause many of the rest. In split-levels, the lowest bathroom is the early warning.
- Main line backups through a basement or lower-level floor drain
- Kitchen sink lines coated with grease in homes with original galvanized drains
- Laundry lint clogging basement standpipes and floor drains
Call if you notice
- Water in the floor drain when the washer pumps out
- A lower-level toilet gurgling
- Repeat kitchen sink clogs
- Roots on the cable after clearing
- A dried-out floor drain trap causing sewer smell
Westminster drain questions
Does Westminster run its own sewer system?+
Yes, the city operates water and wastewater service. The lateral on your property is generally your responsibility.
Why does my laundry back up into the floor drain?+
Lint buildup in the laundry or floor drain line, or a partial main line blockage. A plumber can tell which with a quick test.
How old are most Westminster sewer lines?+
Many date from the 1960s to 1980s, so they're 40 to 60 years old, an age when roots and joint problems become common.