Summer plumbing problems in Northern Virginia: sprinklers, pools, and sewer backups

Most homeowners brace for frozen pipes in winter, but June through August brings its own run of plumbing trouble in Northern Virginia. The five we see most are sewer backups from root growth, leaking sprinkler lines, pool fill lines without backflow protection, overloaded garbage disposals, and washer drain backups. If you have mature trees and a house built before 1990, a sewer camera inspection before storm season is the single most useful thing on this list.

Why summer is hard on NoVA plumbing

Our heavy clay soil expands when it's wet and shrinks when it's dry, and that movement puts stress on underground pipes. Mature neighborhoods have decades-old tree root systems that go looking for water when the weather turns hot and dry.

Many homes built in the 1960s and 1970s also have sewer lines nearing the end of their service life. Summer is when those two problems meet.

The five most common summer plumbing problems in NoVA

Sewer backups

In hot, dry stretches, roots hunt for moisture, and your sewer line is the wettest thing in the yard. From late June through August, roots work into joints and cracks in aging sewer lines, then keep growing inside the pipe until they block it.

Add a summer thunderstorm that saturates the ground around an already root-damaged line, and a backup is likely. Heavy rain can also overload sewer lines and push sewage back up into low-lying basements.

Our drain and sewer team sees the same pattern every year: a slow drain in spring turns into an emergency call in July. Roots don't get better on their own, so what's a minor clog in spring tends to become a full backup by midsummer.

Sprinkler leaks

An irrigation system that kept your lawn green in May can stop working in July, or start leaving soggy spots in the yard. Clay soil shifts between wet and dry seasons, and roots push against buried lines, stressing the pipe and fittings until they leak.

Signs of an underground sprinkler leak:

• Soggy areas in the yard when it hasn't rained
• Weak spray at the sprinkler heads
• An unexplained jump in your water bill
• Brown patches right next to green ones

The cost of a sprinkler line repair depends on how deep the damaged pipe is buried and whether tree roots are involved. Finding the exact spot is the hard part, which is where water leak detection earns its keep. Left alone, a buried leak wastes a lot of water and can kill sections of your landscaping.

Pool cross-connections

Summer is when many NoVA homeowners discover their pool's fill line wasn't connected correctly. Without proper backflow protection on that line, a drop in supply pressure can siphon pool water, chemicals and all, back into your drinking water.

Backflow protection on pool fill lines is a code requirement, and the fix is a proper backflow device rather than a repair. If you're not sure how it works where you live, our post on backflow prevention covers it county by county.

Disposal overload

Summer entertaining asks a lot of a garbage disposal. Corn cobs, husks, watermelon rinds, and the leftovers from a few cookouts overwhelm a unit that handles everyday kitchen scraps just fine. Fibrous scraps are on the list of what never goes down a disposal, however powerful the unit claims to be.

Cold water matters too. It solidifies grease so the disposal can chop it up instead of letting it coat the grinding chamber.

Washer drain backups

Everyone comes home from vacation with bags of laundry. Running load after load overworks a washing machine drain that may already be partly clogged, and the result is suds and dirty water backing up into the laundry room or basement.

This hits hardest in older homes, where the washer drain ties into a main sewer line that may already have roots in it. If your washer drains slowly or the laundry room smells like sewage, that's worth a call now. Summer heat makes sewer odors more noticeable, and root clogs only get worse.

One more thing summer brings out: hard water scale

Summer is also when a lot of people notice white scale on faucets and showerheads. Hard water builds up on aerators and inside appliances over time, and that scale shortens appliance life.

What our technicians check before storm season

• Sewer lines: For homes with mature trees built before 1990, a camera inspection shows roots, cracks, and separated joints before a storm finds them for you.
• Slow drains: A drain that's been sluggish since spring is often the early sign of a root problem in the main line.
• Sprinkler and outdoor lines: If you've noticed heads that don't pop up fully, uneven spray, or wet spots between heads, we can track down the leak.
• Pool fill lines: We check that the connection to your home's water supply has the backflow protection it needs.

We're family-owned, licensed, bonded, and insured, and we give a written, upfront quote before any work begins. If you're seeing slow drains or soggy spots in the yard, call (703) 508-3088 and we'll get a camera in your sewer line and check the rest of the system.