Catchpits, cesspits and stormwater pits

Catchpit Cleaning Auckland

Blocked catchpits and cesspits can stop surface water entering the stormwater system, especially when leaves, silt, mulch, and driveway debris build up before heavy rain.

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Signs your catchpit may need cleaning

A catchpit is meant to collect surface water and trap debris before water flows onward. When the pit fills with silt, leaves, or rubbish, water can sit above the grate or spill across the driveway, yard, or path.

Water pooling around a grate after rain.
Silt, mud, or leaves visible inside the pit.
Water overflowing from a cesspit or sump.
Drain smells, mosquito-prone standing water, or repeated surface flooding.

What a professional may check

Cleaning may involve lifting the grate, removing debris, flushing the outlet, and checking whether the downstream stormwater line is blocked. If the pit keeps filling or backing up, the pipe may need jetting or CCTV inspection.

FAQ

Catchpit cleaning FAQ.

What is the difference between a catchpit and cesspit?

People often use both terms for stormwater pits that collect surface water and trap debris before water moves into the drainage system.

Can a full catchpit block the pipe?

Yes. Silt and debris can enter the outlet and contribute to downstream pipe blockages.

What if the catchpit is in the street?

Street catchpits are usually public stormwater assets, so Auckland Council is normally the right contact.