Runwell Durham Drainage Company

Field notes

Is the Problem a Blocked Drain or a Roadside Ditch?

Separate signs of a private drain blockage from a roadside restriction. Identify the responsible party before arranging work on a Durham ditch or culvert.

Find the low point.
Concept diagram · not to scale

Last Updated: November 5, 2026

When a yard inlet and the ditch by the road both fill up, it is tempting to order a cleanout for the nearest visible grate. Before spending money, separate two questions. Is water being held up within the private system? Or is the downstream area already so full that the private line has nowhere to empty?

Look from the safe, private side

Record the visible water level at the inlet and, if it is visible safely from your property, at the known outlet. Note the time during or after rain. Avoid the road edge, moving water and culvert openings. There is no need to enter a ditch or lift a heavy cover to make a useful report.

Water at a grate does not prove debris is beneath it. Leaves on the surface may block entry. A downstream obstruction may keep the basin full. A high receiving ditch can also restrict discharge from an otherwise sound pipe. These conditions can coexist, which is why the timing matters.

What the sequence can tell you

Suppose the ditch recedes and the private basin drains at nearly the same time. That suggests checking receiving conditions before replacing an entire private run. Now imagine the ditch is open and appreciably lower while the accessible private inlet remains full long afterward. A private blockage, pipe level or buried defect deserves closer attention. Neither observation establishes a concealed fault by itself.

Add the history of the system. Did it work before driveway work or recent landscaping? Has the outlet been identified, or are you assuming the yard drain connects to the ditch because the two line up on a map? An unconfirmed connection belongs on the list of questions.

Identify the party responsible for the feature

Within Durham city, distinguish private drainage from city systems and rights-of-way. Outside city limits, Durham County says it does not maintain stormwater ditches and culverts and can help identify the relevant road, HOA or private responsibility. A mailing address or roadside location alone does not resolve ownership. Describe the property, the road and the specific feature when contacting the responsible office.

If the concern involves a shared system, look for a recorded maintenance agreement. If it involves a regulated stormwater feature, obtain the available plan and inspection record. The right first step can be an enquiry to the responsible party rather than a private excavation quote.

Define the portion you can authorize

A private scope can still make sense while a separate public question is resolved. Clearing an accessible private grate or redirecting roof water may have an independent benefit. A new underground line that depends on an unapproved ditch connection does not have that same independence. Ask where the proposal begins, where it ends and which conditions must be settled before work starts.

Runwell Durham Drainage Company offers outdoor drainage repair. For a concern outside the city, start with the Durham County responsibility guide. If you call about an estimate, include your observations from both ends of the route.

Local information behind these choices

Damp patch on pavers at the low corner of a patio

WHAT THE WORK INVOLVES

Connections, collection and a receiving route that work together.

GET AN ESTIMATE

Tell us about your drainage problem.

+1 (984) 983-6234
1822 E Highway 54, Durham, NC 27713

Describe where water collects, when it appears and what you want to change. Include known drains, access constraints and any planned landscaping.

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Your drainage situation

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