What is a portable sink rental?
A portable sink is a standalone basin with a fresh water tank feeding the faucet and a gray water tank catching the runoff. No sewer line, no water main, nothing buried in the ground. Bellingham Porta Pros builds these around the same 60 to 70 gallon holding tank spec used on a standard porta potty rental, so fill-ups and pump-outs follow a schedule crews already understand. Some units run cold water only. Others come as a hot water portable sink, useful when you need real hand washing after painting or coating work, since OSHA 1926.51(f)(1) covers washing facilities specifically for employees applying paints, coatings, herbicides or insecticides. Pair a sink with a handwashing station rental or a bank of standard porta potty rental units and you have a compliant setup for a work crew, a food vendor, or a weekend event near Geneva, 3.8 miles east of Bellingham. We also stage sinks for camping portable sink use, where a group needs running water at a remote site with no hookup. For jobsites already tracking OSHA portable toilet requirements, the sink slots in as the washing companion, not a replacement for the toilet count itself.
Can a portable sink be used for hair washing?
Yes. A portable sink to wash hair works fine if the basin is deep enough and the water is warm, which is why we recommend the hot water portable sink option for salons, film sets, and disaster relief camps. A shallow cold-water unit built for quick hand rinses is not the same tool as a portable sink for hair, so tell us the use case when you book. Film crews booking a film set restroom rental often add a sink station for talent between takes. Disaster relief camps covered under our disaster relief sanitation service sometimes need several hair-washing stations lined up for volunteers rotating through. If you are planning a longer stay, ask about pairing the sink with a shower trailer rental instead, since a shower unit handles full-body washing that a sink station cannot. For a wedding or reception where guests need a real washroom, look at the wedding restroom rental or luxury restroom trailer options, which include integrated sinks as standard.
How much does a portable sink station cost in Bellingham?
Pricing depends on tank size, hot water capability, and rental length. A basic portable sink station rents alongside standard toilet units on many job sites, and delivery is often bundled with an existing order to save a trip. Below is a general reference using our delivery and service fee bands, since sink-specific pricing follows the same delivery logic as our other portable units.
| item | duration | typical cost |
|---|---|---|
| delivery fee | day | $150 |
| delivery fee | week | $100 |
| delivery fee | month | $172 |
| service fee | week | $60 |
| service fee | month | $150 |
Multi-unit orders, like a sink paired with a handwashing station rental and several standard porta potty rental units, usually cut the per-unit delivery cost since one truck run covers everything. For an exact number tied to your job length, check Porta Potty Rental Cost or the Porta Potty Rental Per Day breakdown, then request a quote with your site address and headcount.
Do portable sinks need a water tank connection?
No connection to city water is needed. The whole point of a portable sink and water tank setup is independence from plumbing. Fresh water sits in one tank, usually matching the 60 to 70 gallon range standard on our units, and gray water drains into a second sealed tank that we pump out on schedule. Portable sink water tanks get topped off during the same visit we service nearby toilets, which is why bundling a sink with a portable restroom rental or portable toilet rental order keeps service simple. ANSI/PSAI Z4.3 sets a baseline service interval of one visit per week for up to 10 users across a 40 hour week, and we use that same rhythm for sink service unless your crew size pushes servicing more often. For handwashing specifically, 29 CFR 1910.141(d)(2) requires soap and towels or a hand drying device at wash stations, not just a rinse of water, so we stock sinks with a soap dispenser and paper towel holder built in. If your site runs a septic system already, note that a typical residential tank needs pumping every 3 to 5 years, a separate schedule from your rented sink's tank service. Sites planning ahead for winter should also read Porta Potty In Winter, since tank water can freeze in cold snaps and needs antifreeze treatment or heated units.
Construction sites juggling multiple facilities often check the Construction Site Services page to see how sinks, toilets, and temporary fence rental fit together on one delivery. Farms handling hand-labor crews should also know that OSHA 1928.110 sets a field sanitation standard of one facility per 20 employees within a quarter mile walk, relevant for Farm and Agricultural Restrooms bookings that pair a sink with toilet units out in the field. We deliver sinks the same routes we run for Porta Potty Rental in Bellingham, WA, and jobs out toward Ferndale, 11.0 miles northwest, or Lynden, 16.3 miles north, follow the same delivery fee bands listed above.
How many portable sinks do I need for my crew?
One station per 10 to 20 workers is a reasonable starting point, echoing the same ratio logic behind OSHA 1926.51(c)(1) toilet counts. Larger crews or food service operations should add stations near prep and break areas rather than relying on one central sink.
Can I rent a portable sink without also renting a toilet?
Yes, sinks rent standalone. Many customers add one to an existing setup instead, especially for hand washing after painting work under OSHA 1926.51(f)(1) or for hair washing needs at events and camps.
Does the portable sink come with hot water?
Only if you request the hot water portable sink option. Standard units run cold water, which is fine for basic hand washing but not ideal for hair washing or cold-weather use.
How often is the water tank refilled?
Refills typically match your regular service visit, often weekly under the ANSI/PSAI Z4.3 baseline interval. High-use events or larger crews may need refills more often, which we can schedule at booking.
Can a portable sink freeze in winter?
Yes, standing water in the tank or lines can freeze during cold snaps. We treat winter rentals differently. See Porta Potty In Winter for how we handle heated units and antifreeze during Bellingham's colder months.
Next step
Get a delivery date
Tell us the address, the dates and the headcount. We size the order and confirm the route.