Sump, cowshed sand traps, and culvert cleaning
Prevent blockages, flooding, and costly site disruption
Keep your site running smoothly with professional culvert, sump and cowshed sand trap cleaning services across South Taranaki. We remove sludge, debris, and blockages quickly and safely, helping you avoid flooding and costly downtime.
As a council-approved contractor with South Taranaki District Council (STDC), we can also report issues beyond your site directly to council to help get them resolved faster.
Don’t wait for a small problem to turn into a major one. Get it sorted today.
Sump cleaning services
Is your sump starting to fill up with sludge, sand or debris?
Without regular cleaning, buildup can quickly put your site at risk, causing blockages, overflows, infrastructure damage, and costly repairs.
Our team uses high-capacity vacuum trucks and jetting unit with specialist nozzle attachments to efficiently clear blockages and restore proper function.
Contact us now to get your sump or sandtraps cleaned quickly.
Culvert cleaning services
Blocked culverts can be just as disruptive as a failing sump.
If silt, sand, debris, or vegetation is restricting flow, it can quickly lead to flooding, erosion, or damage to surrounding areas.
We’ll clear any blockages and clean your culverts thoroughly to restore proper flow, helping protect your site and prevent costly issues during heavy rain or peak runoff.
How we clean your sump, sandtrap or culvert
1. Access the system safely
How we clean your sump, sandtrap or culvert
2. Remove built-up sediment and debris:
Using high-capacity vacuum equipment, we remove sludge, silt, sediment, debris and other accumulated material that may be restricting flow or affecting performance. We can also clean your sump, sand trap or culvert using our specialised Jetter unit after debris has been removed. Where required, we'll also identify any underlying issues.
3. Dispose of waste responsibly
All sludge, sediment, debris and other waste is disposed of at approved facilities in line with compliance standards.
No mess left behind
No matter how messy the job, our goal is to leave your site spotless and fully operational.
Book your no-mess clean today to keep your culverts, portaloos or sumps well maintained.
What People Are Saying
“Thank you Thomas and team for providing a fast, friendly, and professional service. This company goes that extra mile to achieve customer satisfaction. I would highly recommend this company to anyone that needs quality service. Extra shout out to Mike who is a top man and awesome to deal with.”
— Stephen“Very Professional, very good advice & very quick service. Would definitely use Septicworks again. Couldn't recommend them enough.”
— Mark“Fast, efficient and professional service from this company. Highly recommended. We used them after hours in terrible weather conditions and they were incredible to deal with. Lifesavers! Thanks again.”
— SophieAnswering your questions about waste cleaning
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We service all towns across South Taranaki, including Hāwera, Eltham, Manaia, Ōpunake, Patea, Waverley and all surrounding rural areas. Our team can also travel further upon request. Just get in touch to discuss your site requirements.
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We’d recommend getting your sump tank professionally cleaned at least once a year, depending on usage and the amount of sludge and debris entering the system.
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A drain carries wastewater or stormwater away through pipes or channels, while a culvert allows water to flow underneath roads or structures to prevent flooding.
Think you need your drains cleaned? Explore our drain cleaning service to see how we can help.
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The most effective way to clean a culvert is using high-powered vacuum and water jetting equipment to remove built-up silt, debris, and blockages. This will ensure the culvert is fully cleared and water can flow freely again, preventing flooding and damage.