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Midlands House Walk

Worried about?

What is worrying you?

Water where it shouldn't be

Pipes that might be old

A freeze is coming (AI picture)

A smell you can't place

Who to call and what they need

Whose water, town by town

Every picture on the walk

Back yard, stop 4 of 7

A soggy patch in the yard: septic, pipe or rain?

A soggy spot in the yard is usually septic, a water line or rain, and three checks help: does it smell, does it dry after the rain stops, does the meter move with every tap off? Soggy ground over a field is one of Clemson’s failure signs¹.

Stand at the edge of the wet patch, on dry ground, and look back at the house to see what runs under it.

Updated November 4, 2026, Midlands House Walk

If it could be sewage, don’t walk through it. Keep shoes and hands out of the wet, and don’t dig until you know what’s underneath. SC811 comes first if a shovel is ever needed⁸.

Wet band of taller, darker grass crossing a pale lawn near a wood fence — A soggy strip of greener, taller grass with a little standing water in a paler back lawn, wood fence behind. AI-generated picture.

Tall grass in an open strip through pine woods — A strip of tall green grass over a septic drain field in pine woods, state not given. Compare where your wet patch sits with a line like this.

Does it follow the septic line?

Look for: Think about where your tank and field are. Greener grass over the field, a dead grass outline and sewage odors all point that way¹.
What it tells you: Those are all signs Clemson lists for a failing system¹. Not sure where it is? Find the septic tank first, and call a licensed contractor about the rest.

Closed green meter box cover flush with lawn next to a sidewalk, brick ranch behind — A green plastic meter box, lid on, flush in a front lawn. If it lifts by hand you can check the dial; leave what’s inside alone. AI-generated picture.

Is the meter moving?

Look for: Read the meter, use no water for 2 hours, and read it again². Stay with looking at the dial. The valve and meter belong to the utility.
What it tells you: A change points to a supply leak, perhaps in the yard line. On Columbia Water, the pipe between meter and building is yours to fix, as the city can’t repair private lines³. The yard water line has more.

Rain standing on bare red ground across a broad cleared lot — A graded red clay lot standing in rainwater in the North Carolina Piedmont, not SC. Rain alone can do this on tight ground.

Does it dry out?

Look for: Check it the next day, then two or three days later. Note whether it shrinks once the rain stops, and whether it comes back on dry weeks.
What it tells you: A patch that only appears after rain and shrinks away may just be ground that holds water. In sandy yards, a hardpan below can move water sideways too⁴. See Midlands sand and clay.

Shut green riser lid in a sandy lawn, nobody near it — A closed green septic lid in a sandy yard. Your nose gives you a useful clue from a few steps back; there’s no need to get closer. AI-generated picture.

Does it smell?

Look for: Stand back and take a slow breath. Don’t kneel in the wet or stir it up. A sewage smell changes who you call.
What it tells you: Sewage surfacing is on Clemson’s list of failures¹, and failing systems can be reported to the regional environmental office, now under SC DES¹. A smell you can’t place goes further.

Three checks, and what each result points to
Check	Result	Points to
Smell	Sewage smell at the patch	Septic or sewer, so call a contractor or plumber
Meter	Number moves with all taps off	A pressurized water line
Weather	Comes with rain, goes after	Runoff or slow ground, so keep watching it

Yours to do

Run the 2-hour meter test², and note if the patch smells or follows rain.
Hold off on laundry and long showers until you know, particularly during or after rain⁵.
Keep children, pets and cars off the patch until you know what it is.

For a licensed pro

A licensed septic contractor for anything that smells or sits over the field⁶.
A plumber for a yard line leak on your side of the meter.
Your utility, if the wet is on its side of the meter or sewage is on the ground in a sewered area⁷.

A short film for this stop

Near the end, this Extension video lists the warning signs of a septic problem, including wet spots, squishy soil and unusually lush grass near the drain field. From Purdue Extension, an outside channel; it loads from YouTube only when you press play.

Where this comes from

Keep walkingA well that went under floodwater