Lynn Porta Pros sets these up alongside standalone units or as an add-on to any portable restroom rental order, and delivery scheduling follows the same route we run for porta potty rental in Lynn.
How does a portable sink station work?
A portable sink station holds fresh water in a sealed tank, feeds it through a foot pump or small electric pump to the faucet, and catches the waste water in a second tank underneath. No hose bib, no drain line. You fill the fresh tank, use the sink, and someone empties the gray tank on the same visit as your regular service. That's it.
Most models pair a soap dispenser and paper towel holder right on the unit, which matters because 29 CFR 1910.141(d)(2) requires washing facilities to have soap and towels or a hand drying device on hand, not just water. Hand sanitizer alone does not meet that standard. If your crew is spraying paint, coatings, herbicides or insecticides, OSHA 1926.51(f)(1) is the rule that specifically calls for washing facilities in that situation, separate from general sanitation. For straight toilet and sanitation counts on a jobsite, that's covered under OSHA portable toilet requirements and OSHA 1926.51(c). We size stations the same way we size restrooms on any construction site services order in Lynn.

Can I get hot water in a portable sink rental?
Yes. Hot water portable sink units run a small heating element or hold pre-heated water in an insulated tank, and they're the model most people ask for when the job involves food service, medical use, or washing up after outdoor work in cold months. A cold water only unit is lighter and cheaper to move, so it works fine for handwashing at a festival or a construction trailer. For hair washing setups, whether it's a camping portable sink or a portable sink to wash hair at a film shoot, you want the hot water option and a slightly deeper basin.
We pair these with shower trailer rental orders often, since crews doing both want hot water at the sink and in the stall. For a straight comparison of what's involved with water tanks and refill intervals, our handwashing station rental page breaks down the standard tank-only models next to the hot water line.

What size water tank do portable sink stations use?
Tank size depends on expected use, and this is where most people either overbuy or underbuy. A small event station might carry a 4 to 5 gallon fresh tank good for a few dozen hand washes before refill. Larger crew or hair-washing stations step up to bigger fresh and gray water tanks so you're not refilling every hour. ANSI/PSAI Z4.3 sets the baseline portable sanitation service interval at once a week for up to 10 users over a 40 hour week, and we use that same rhythm for planning refill and pump-out visits on sink stations tied to a jobsite.
| unit | duration | typical price |
|---|---|---|
| standard porta potty | day | $150 |
| standard porta potty | week | $200 |
| ada unit | day | $230 |
| deluxe flushable | week | $250 |
Sink stations get quoted individually based on tank size and hot water needs, so ask for a number specific to your job when you request a quote. For comparison pricing on the units these often pair with, see porta potty rental cost and porta potty rental per day.
Where do portable sink stations get placed on site?
Placement follows the same logic as restroom units: stable, level ground, close enough to the work area that people actually use it. ADA Standards section 302.1 calls for stable, firm, slip resistant surfaces, which matters on a gravel lot or a muddy site edge. If you're setting up an accessible station, ADA Standards section 308.2.1 sets the reach range at 48 inches high and 15 inches low, and section 309.4 says the faucet and dispenser controls need to work with one hand and no more than 5 pounds of force. Our porta potty placement guide covers ground and clearance rules that apply the same way to sink stations.
If you're running a site in Lynn near Salem, 5.5 miles northeast, or Peabody, 6.0 miles north, delivery timing usually lines up with whatever restroom or temporary fence rental order you've already got scheduled. Crews doing home projects lean on our home renovation porta potty page for the same delivery logic. For agricultural operations, OSHA 1928.110 requires potable water, toilets and handwashing within a quarter mile walk of hand-labor employees, which is exactly the setup a portable sink station on a farm needs to satisfy, and our farm and agricultural restrooms page walks through that placement.
How many hand washes does one tank last?
Depends on tank size, but a 4 to 5 gallon fresh tank on a basic unit handles roughly 30 to 50 quick hand washes before it needs a refill. Larger crew stations with bigger tanks stretch several days between fills. Ask us to size it against your headcount when you book.
Do portable sinks need a drain hookup?
No. That's the point of a portable sink rental. Fresh water sits in one sealed tank, waste water collects in a separate tank below the basin, and both get serviced on-site. Nothing connects to a building drain or sewer line.
Can I rent a portable sink alone, without a restroom unit?
Yes, standalone sink stations are common for events, food vendors and film sets that already have restrooms nearby but need extra handwashing. Lynn Porta Pros delivers them on their own or bundled with a portable toilet rental order.
Is a portable sink station enough for OSHA compliance?
It depends on the work. General sanitation counts fall under OSHA 1926.51(c), while washing facilities specifically for paint, coatings or pesticide work fall under 1926.51(f)(1). Check our OSHA portable toilet requirements page to match your crew size and task to the right setup.
How often does someone service the tanks?
Standard interval is once a week for typical use, based on the ANSI/PSAI Z4.3 baseline for up to 10 users over a 40 hour week. High-traffic events or larger crews need more frequent visits, which we schedule alongside your restroom service in Lynn.

Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.