Yakima Watermill is a pool supply and service company located in Union Gap, WA, offering maintenance, repairs, and supplies for local pool owners. Whether your pool needs routine upkeep or a specific repair, our team is equipped to help you keep it clean, safe, and running all season long.

Yes, Yakima Watermill services both above-ground and in-ground pools. Whether you have a simple above-ground setup or a full in-ground installation, we carry the supplies and offer the services needed to keep either type properly maintained and functioning.

Yes, Yakima Watermill offers free in-store water testing at our Union Gap location. Bring in a sample of your pool water and we will analyze the results and recommend the right chemical adjustments to keep your water balanced and safe for swimming.

A seasonal pool opening typically includes removing and storing your winter cover, reassembling equipment, checking for any damage that occurred over the off-season, and getting your water chemistry balanced so the pool is ready to use. Starting the season with a proper opening protects your equipment and keeps your water safe from day one.

A seasonal pool closing typically includes balancing your water chemistry, lowering the water level, blowing out and plugging the plumbing lines, adding winterizing chemicals, and securing your cover to protect the pool through the colder months. Proper winterization prevents freeze damage and makes reopening much easier in the spring.

Yes, Yakima Watermill installs automatic and safety pool covers. Automatic covers add convenience for everyday use, while safety covers provide critical protection for children and pets, and both options help reduce heat loss and keep debris out of your pool.

Yakima Watermill carries a selection of trusted pool chemical brands at our Union Gap location, covering everything from chlorine and shock treatments to algaecides, pH adjusters, and clarifiers. Stopping in for a water test is a great way to find out exactly which products your pool needs.

Pool water should generally be tested at least once a week during active swimming season to keep chemical levels in a safe and balanced range. Bringing a sample to our Union Gap store for a professional water analysis is a reliable way to get an accurate read and personalized chemical recommendations.

Common signs your pool needs professional attention include a noticeable drop in water level that suggests a leak, cloudy or discolored water that does not clear with chemical treatment, unusual noises from the pump or filter, and visible cracks or damage to the shell or decking. Addressing these issues early typically prevents more costly repairs down the road.

Yes, you do not need to have purchased your pool from Yakima Watermill to use our services or shop our store. We provide water testing, chemical recommendations, supplies, and service support to pool owners throughout the Union Gap and Yakima area regardless of where their pool came from.

Proper pool maintenance keeps your water free of harmful bacteria, prevents equipment wear, and protects the structural components of your pool from chemical imbalances. Consistent care throughout the season — including regular water testing and timely repairs — extends the life of your pool and helps you avoid expensive problems.

Yes, Yakima Watermill is conveniently located in Union Gap, just outside Yakima, making it an accessible option for pool owners throughout the area. We offer in-store water testing, a range of pool chemicals and supplies, cover installation, and seasonal pool services to support you from opening day through winterization.