Leaves in a gutter are easy to see. Where the water goes after it
leaves the gutter is easier to miss. I think of the roof drainage system
as one route: roof edge, gutter, downspout, and finally the ground. If
the last part sends water back toward the house, a freshly cleaned
gutter has only done half the job.
Start at ground level
After a good rain, look at the downspout outlets from a safe spot. Is
water leaving the end freely? Does it run away from the foundation,
collect beside a basement wall, or cross a walkway? An extension that
got moved while mowing can change the answer. So can a buried discharge
line that no longer carries water as intended.
Also look for gutter overflow during rain. It might mean leaves are
blocking the channel, but a poor slope, a blocked outlet, or a loose
section can produce the same symptom. Overflow at one spot is useful
information for the person who will service it. A line of dirt on the
siding below a gutter can be another clue that water has been spilling
there repeatedly.
The EPA’s
moisture-control guidance treats roof and site drainage as part of
keeping moisture out of building materials. That does not mean every wet
basement starts at a gutter. It does mean the easy-to-observe drainage
path deserves attention before the next storm.
How often is enough?
Spring and late fall are useful starting points in northern New
Jersey. A house below mature trees may need cleaning more often,
especially after a heavy leaf drop or a storm. A house with few nearby
trees might need less. The practical schedule is the one that keeps
water moving, not a calendar rule that ignores the property.
Ask the person cleaning the gutters to clear the outlets and check
the downspouts too. Some debris sits at an elbow where it is not visible
from the ground. If gutter guards are installed, they still need
periodic review; leaves can collect on top or at openings. Take a look
during the next rain to see whether the work solved the overflow.
Who should do the work?
Ground-level observation and moving a safe, accessible extension are
reasonable homeowner tasks. Roof edges, steep grades, electrical service
lines, and awkward ladder placement change the job. A qualified
gutter contractor can clean and secure the system and evaluate
drainage that continues to overflow. If water is repeatedly reaching the
foundation, a qualified drainage professional can evaluate the site
conditions as well.
For local contractor contacts, see the Professionals I
Know directory on my Helpful
Resources page. My Homeowner
Tools & Supplies guide includes useful ground-level drainage
items. Buy only what fits the layout of your house; a downspout
extension that simply moves water across a neighbor’s path isn’t an
improvement.