Sand and Coastal Grit
Wind carries fine sand across driveways and paths near the coast. Rain then washes it into pits, where it settles into a dense layer at the bottom.
Home / Stormwater Pit Cleaning
Local licensed plumbers with over 50 years combined experience
Drain Vac provides stormwater pit cleaning in Warrnambool VIC 3280, emptying the silt, leaves, sand and litter that fill driveway, yard and car park pits. We are local licensed plumbers with over 50 years combined experience, looking after pits at homes, businesses and farms across South West Victoria.
Pit Cleaning
Stormwater pit cleaning is the removal of the sediment and debris that collects in the pits, sumps and grated drains feeding a property's underground stormwater pipes. A pit is a concrete or plastic box below a grate, and its job is to catch heavy material before it reaches the pipe.
That design only works while the pit has room. Once silt and leaves build up to the level of the outlet, the pit stops trapping debris and starts passing it into the drain, and in heavy rain the water backs up around the grate instead of draining away.
Drain Vac empties the pit and clears the grate so water can reach the outlet and flow into the drain beyond it.
What Fills a Pit
Stormwater pits in Warrnambool fill up because every shower carries loose material off roofs, paving, gardens and car parks into the nearest grate. What ends up inside depends on what surrounds the pit.
Wind carries fine sand across driveways and paths near the coast. Rain then washes it into pits, where it settles into a dense layer at the bottom.
Trees and garden beds shed leaves, bark and mulch that float into grates during a downpour and sink once they are waterlogged.
Exposed soil from gardens, building sites and unsealed areas runs off with rainwater and settles as fine silt that packs down hard over time.
Car parks and busy frontages collect wrappers, bottles and plastic that blow into grates and can block an outlet completely.
Tyres track dirt and gravel onto sealed surfaces, and each shower moves it towards the low point where the pit sits.
Where downpipes feed into a pit, anything washed out of the gutters ends up in the pit as well, including roof grit and moss.
If you can safely lift the grate after rain, take a look. A pit that is more than half full of material needs emptying.
Warning Signs
When a stormwater pit is not cleaned, it gradually loses the space it needs to hold water and debris, and the first heavy rain after that point shows it. Water pools around the grate, spreads across driveways and car parks, and can reach garages, doorways and garden beds.
A full pit also passes material into the drain beyond it. Silt and leaves that should have stayed in the pit settle in the pipe instead, which is how a pit problem turns into a blocked drain.
On commercial sites, pooled water in a car park or entry is a slip hazard for staff and customers, and it leaves a muddy residue behind once it finally drains.
Signs a pit needs cleaning:
If water still backs up after a pit is emptied, the pipe beyond it may be blocked as well.
Cleaning Frequency
How often stormwater pits should be cleaned depends on what drains into them. A pit under a big tree or at the bottom of a sandy driveway fills much faster than one in a clean, paved courtyard.
A sensible approach is to look into each pit before winter and after big storms or windy spells, and to clean any pit that is filling up before the wet months arrive. Busy car parks usually need more regular attention than homes.
Pits that tend to fill quickly:
You can scoop loose leaves out of a shallow pit yourself, but emptying a pit properly is harder than it looks. Settled silt is heavy and compacted, grates can be awkward to lift, and deeper pits and sumps are not safe to reach into.
Whatever comes out also has to go somewhere other than back into the garden or the street. For deep pits, several pits or car park sumps, a dedicated pit clean is usually the simpler option.
Pit cleaning and drain cleaning are related but separate jobs. Pit cleaning empties the box at the surface, while drain cleaning clears the underground pipe that carries water from the pit to its outlet.
Many properties need both, because a full pit often sends material on into the pipe. Drain Vac can take care of the two on the same visit.
Pits We Clean
Drain Vac cleans the common types of stormwater pit found around Warrnambool, on residential, commercial and rural properties.
Grated pits in driveways, courtyards and backyards at houses and units.
Long strip drains across garage entries, carports and shed doors.
Larger pits and sumps in car parks at shops, offices, accommodation and workshops.
Pits around sheds, dairies and yards, where mud and organic matter collect after rain.
How It Works
You book stormwater pit cleaning with Drain Vac by phone or through the contact page, and the job follows three steps.
Step 1
Call 0474 868 388 or send a message with your address and how many pits there are.
Step 2
We confirm a time, including when car parks or driveways can be kept clear of vehicles.
Step 3
Drain Vac removes the silt and debris from each pit and clears the grates so rainwater can flow in again.
Service Area
Drain Vac cleans stormwater pits in Warrnambool and in towns across South West Victoria, for houses, owners corporations, businesses and farms. Rural properties outside the towns listed are included as well.
Including:
From Roof to Drain
Gutter cleaning, drain cleaning and CCTV drain camera inspections work alongside pit cleaning because they cover the rest of the path rainwater takes. Gutters decide how much debris reaches the pits, and the drain carries water away from them.
See drain cleaning in Warrnambool, CCTV drain camera inspections and gutter cleaning, or hydro excavation when a buried pipe needs to be exposed.
FAQ
Answers for home owners, property managers and businesses.
The cost depends on how many pits there are, how deep and full they are, and how easy they are to reach. Call 0474 868 388 or send the details through the contact page for a quote.
Yes. Drain Vac cleans pits at rental properties, units and strata sites, and can arrange access with property managers.
A full pit cannot take in water as fast as it arrives, so in heavy rain the water spreads across the surface instead. Depending on the levels, that water can reach garages, doorways or neighbouring areas.
Usually, yes. Car parks collect grit from tyres, litter and leaves across a large sealed area, and all of it heads for a small number of pits.
Yes. Drain Vac cleans pits around sheds, dairies and yards on farms near Warrnambool, where mud and organic matter wash in after rain.
Late autumn, before the winter rain, is a good time because pits are often full of leaves by then. They are also worth checking after big storms and windy spells.
Related Services
Services that often go with a pit clean.
Clear the pipe beyond the pit.
See inside a line that keeps filling.
Less leaf litter reaching the pits.
Drain Vac also provides pressure washing, hydro excavation and rainwater tank cleaning in Warrnambool.
Tell Drain Vac where the pits are and how many there are, and we will arrange a time to empty them.