What is a portable sink rental?
A portable sink is a self-contained basin with its own fresh water tank, a foot pump or hand crank, and a wastewater tank underneath. No hookup to a building line, no hose bib needed. Crews use them at construction sites, food trucks, and farm operations where 29 CFR 1910.141(d)(2) requires washing facilities stocked with soap and towels or a hand-drying device, not hand sanitizer alone. That rule is the reason most job sites in Frederick pair a sink with their portable restroom rental instead of relying on gel dispensers.
Some renters ask about a portable sink for hair, meaning a basin deep enough and a sprayer angled right for a hair wash station at a shelter, film set, or backstage area. We stock units built for that use alongside our restroom trailer rental line, since events using a trailer often want a wash station nearby too. Hot water portable sink units are available as an upgrade over cold-only models, useful in colder months. See porta potty in winter for how freezing temps affect any water-holding unit on site.
Why do job sites need a portable sink station?
Because OSHA 1926.51(c) governs toilet counts on construction sites, but crews still need a place to wash before lunch, after handling material, or after using chemicals. If your crew applies paints, coatings, herbicides or insecticides, OSHA 1926.51(f)(1) specifically requires washing facilities for that contaminant exposure, separate from the general toilet count. A portable sink station answers that requirement without trenching a water line to a trailer pad.
Frederick contractors running multi-week jobs often order a sink alongside a construction dumpster rental and a temporary fence rental for the same site, since all three show up on the same delivery run. Farms doing hand-labor work fall under a different standard: OSHA 1928.110 requires potable water, toilets and handwashing within a quarter mile walk of hand-labor employees, at a ratio of one facility per 20 workers. That standard drives most of what we deliver out to farm operations near farm and agricultural restrooms customers ask about.
How much does a portable sink and water tank rental cost?
Pricing depends on tank size, hot water, and rental length. Below are the bands we see across the units we track.
| Unit | Day | Week | Month |
|---|---|---|---|
| Standard sink station | $100 - $350 | $130 - $500 | $125 - $325 |
| Deluxe/hot water unit | $85 - $1,200 | $150 - $290 | - |
A delivery fee applies on top of the rental, typically $100 to $150 for a single day and $50 to $150 for a week, depending on distance from our yard. If you're comparing sink pricing against toilet costs for the same event, porta potty rental cost and porta potty rental per day break down that side of the budget. Longer jobs should check monthly porta potty rental for how bundled orders price out over 30 days.
Can I get a portable sink for camping or a small event?
Yes. A camping portable sink works the same way as a job site unit, just smaller and easier to move by hand. Weekend rentals for a standard basin run in the same range as our weekend toilet pricing, generally landing between $125 and $400 depending on tank size and hot water. For weddings, festivals or fairs, we usually deliver a sink station next to whatever restroom setup the event needs. Check wedding restroom rental, festival restroom rental, or county fair restrooms for how those bookings typically get sized.
We deliver into Frederick and the towns around it, including a run out to Braddock Heights, 5.8 miles west, and down to Ballenger Creek, 6.2 miles south. Bartonsville sits 8.1 miles southeast of our Frederick base, and we cover it on the same delivery schedule. For farther jobs, Hagerstown is 26.0 miles northwest and Leesburg, VA is 27.6 miles south. If your job needs a sink and a restroom trailer together for a marathon, golf tournament, or concert, look at marathon and race restrooms, golf tournament restrooms, or concert restroom rental to plan the full order at once.
Placement matters for accessibility. ADA Standards section 308.2.1 sets a maximum reach height of 48 inches for operable parts, and section 309.4 requires controls usable with one hand and no more than 5 pounds of force, both worth checking if your sink station needs to serve an accessible route. Our crew can walk that through when we plan delivery, same as we do for ADA accessible porta potty orders.
How many portable sinks does a job site need?
There's no fixed ratio in the sink rules themselves, but most Frederick sites match sink count to their toilet count under OSHA 1926.51(c): one station per cluster of units. A crew of 20 or fewer usually runs fine with one sink near the toilet bank. See how many porta potties do I need for the full breakdown by crew size.
Do portable sinks come with hot water?
Not by default. Hot water is an upgrade on select units, priced higher than a cold-only standard sink. Ask at booking if your job involves food service or cold-weather work, since hot water matters more once temperatures drop.
How often do portable sinks get refilled and serviced?
Service follows the same weekly baseline as toilets under ANSI/PSAI Z4.3, one visit per week for typical use. High-traffic sites or food events may need more frequent refills. We schedule around your job's actual headcount.
Can a portable sink replace a handwashing station requirement?
For most job sites, yes, since a sink with soap and towels satisfies 29 CFR 1910.141(d)(2). Sanitizer-only stations don't meet that standard. Check handwashing station requirements before you finalize your order.
Do I need a permit to place a portable sink in Frederick?
Placement in the public right of way needs confirming with the City of Frederick before delivery. We haven't verified a specific ordinance for sink placement, so ask your permit office directly or see porta potty permit requirements for the related toilet rule process.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.