Holding Tank Rental in Brooklyn, NY
Describe the fixtures that drain into it and where a vacuum truck can park, and the tank gets sized to the pump-out schedule you want.
A tank goes where a drain has nowhere to go
Brooklyn Porta Johns connects contractors, developers and event producers with rental companies for holding tank rental in Brooklyn, NY. A holding tank is a sealed container that collects wastewater from fixtures with no sewer connection, holds it, and gets emptied by a vacuum truck on a schedule.
On a Brooklyn job, that usually means a site office trailer parked on a lot in East New York, a sales trailer outside a new condo building in Greenpoint, or a temporary sink set up for a crew. At events, it is the catering tent or food truck line that needs to wash dishes and has no drain in reach.
A standard porta potty doesn't need one; it carries its own tank. Holding tanks are for fixtures built to drain away: sinks, trailer toilets and kitchen equipment.
Fixtures that often feed a tank
- Site office or field office trailer with a sink or toilet
- Sales or leasing trailer with a restroom
- Temporary sink for a crew or a first-aid station
- Event kitchen, dish station or catering prep area
How big a tank? Start with gallons per day
Tank size is a trade-off between capacity and pump-out frequency. A bigger tank goes longer between visits; a smaller one needs the truck more often. Neither is right until you know roughly how many gallons go down the drains in a day. Rental companies list their own tank sizes, so bring this number to the call and let them match a tank to it.
Count the fixtures
List every sink, toilet, shower and appliance that drains into the tank. Trailer toilets and faucets often carry a flow or flush rating on the fixture or in the trailer's spec sheet. Ask the trailer supplier for it.
Count the users
How many people use those fixtures on a normal day, and how many on the busiest one? A leasing trailer with two staff and a trickle of visitors is a different tank from a crew office with twenty people washing up at lunch.
Pick the gap between pump-outs
Decide how often you want the truck on site. Daily gallons times the days between visits is the volume the tank has to hold, and the rental company will want room to spare on top of it.
Check your water use
If the trailer is already running on a water tank or a metered hookup, that number beats any estimate. Water in is roughly water out.
Daily gallons days between pump-outs margin the rental company asks for
The tank has to sit where both the drain and the truck can reach it
Placement pulls in two directions. The tank wants to be close to the fixtures, so the drain line is short and can run downhill. It also has to be close to where a vacuum truck can park, because the hose has to reach it every pump-out.
On a Brooklyn lot, those two spots are often the same strip of ground beside the trailer and the curb. On a tighter site, say a rowhouse lot with the office trailer at the back, they may not be. Walk the route from the street to the tank before you call and note any gate, fence or stack of material in the way.
If the drain can't run downhill to the tank, ask whether the setup needs a pump. If the tank would sit on the sidewalk or in the roadway, the city placement rules apply, covered in the permits and placement guide.
Who plumbs it in, and who you call when it's full
A holding tank touches three parties: whoever owns the trailer or fixtures, whoever connects the drain line, and the rental company that supplies and empties the tank. Settle who does what before the tank arrives, or it sits on the ground unconnected.
- Hookup
- Ask whether the rental company connects the tank to your fixtures, or whether your plumber or the trailer supplier does. If it is your plumber, get the inlet size and location from the rental company first.
- Venting
- Ask how the tank is vented and whether anything on your side needs to change so drains don't gurgle or back up.
- Level warning
- Ask whether the tank has a level gauge or alarm, and who checks it. Without one, the first sign of a full tank is a sink that won't drain.
- Pump-out schedule
- Set days, or on call when the gauge shows full. Ask what an extra pump-out costs and how quickly one can be requested.
- Cold weather
- Brooklyn winters freeze exposed lines. Ask how the tank and the drain line are protected if the job runs through January.
- Removal
- The tank gets pumped before it leaves. Ask whether the final pump-out is included in the pickup.
What a tank usually rents alongside
On a jobsite, the tank serves the office and the units serve the crew. They are often on the same truck route, so ask whether the pump-outs and the porta potty visits can be scheduled together on a monthly rental.
At an event, a tank catches greywater from sinks and kitchen equipment that has nowhere else to go. Freestanding handwashing stations carry their own greywater tank and are serviced separately.
Holding tank questions
Can a porta potty drain into the holding tank?
A standard porta potty has its own waste tank and is pumped directly, so it doesn't need one. Holding tanks are for fixtures that normally drain to a sewer: sinks, trailer toilets, showers and kitchen equipment.
What goes wrong most often with a holding tank?
It fills before the next pump-out. That usually traces back to a daily-gallon estimate made for a quiet week, or a leaking faucet or running toilet nobody noticed. Fix leaks the day you see them and tell the rental company if the headcount goes up.
Does the tank need to be level?
Ask the rental company what it needs. Many tanks sit on the ground on a firm, flat spot, and a tank on soft ground or a slope can shift once it is heavy with water. Plan the spot before the plumber sets the drain line to it.
Is greywater from a sink treated differently from toilet waste?
It can be, depending on the rental company and where the waste is disposed of. Tell them exactly which fixtures feed the tank, because it may change which tank or truck they send.
Fixture list and a truck route
Tell the rental company what drains into the tank and how close a truck can park. If you have a water meter reading or a trailer spec sheet, have it in hand.