--- title: "Snowbird Plumbing Checklist for Arizona Homes" url: https://dominickplumbing.com/snowbird-plumbing-checklist-scottsdale description: "Back in Arizona for winter? A snowbird plumbing checklist: turning water back on, leaks, toilets, water heater, softener, RO and irrigation." lang: en --- All articles (https://dominickplumbing.com/blog)Leaks & Repairs # Snowbird Plumbing Checklist for Arizona Homes September 25, 2026 8 min read **Short answer: when you return to your Arizona home after months away, open the main water valve slowly, then walk the house with this checklist. Look for leaks, flush every fixture, check the water heater, test the toilets, and confirm your water softener, RO system and irrigation are working. Most problems show up in the first 24 hours, so a careful first day saves costly surprises.** Snowbirds come back to Scottsdale, Paradise Valley, Fountain Hills and the rest of the Valley every fall. A home that sat empty through an Arizona summer has its own set of plumbing risks. Heat dries out rubber seals, water sits still in pipes and tanks, and hard water (12–18 grains here) keeps building scale. Small leaks can go unnoticed for months. Use the checklist below on your first day back. ## Before you turn the water back on - **Look for signs of a leak while the water is still off.** Check ceilings, walls, baseboards and cabinet floors for stains, warping, bubbling paint or a musty smell. - **Check the water heater area and pan** for rust, puddles or mineral crust. - **Check the water meter.** With everything off, the meter's leak indicator should not move once the main is on. If it spins, you have a leak somewhere. - **Make sure all faucets, hose bibbs and appliance valves are closed** before you open the main. ## Turning the water back on - **Open the main shutoff slowly**, a quarter turn at a time. Opening it fast can hammer the pipes and blow a weak supply line. - **Listen for hissing or running water** once the system is full and every fixture is off. - **Recheck the meter's leak indicator after 15–30 minutes.** Movement with nothing running means a hidden leak, possibly under the slab. - **Test your water pressure** with a hose-bibb gauge. Over 80 psi is too high and can burst lines that aged over the summer. See Is My Water Pressure Too High? (https://dominickplumbing.com/is-my-water-pressure-too-high-scottsdale) ## Faucets, showers and drains - **Flush every faucet and shower for 2–3 minutes**, hot and cold, to clear stale water and air. Start with the fixture farthest from the main. - **Watch for sputtering, discolored water or weak flow.** Rusty water that clears quickly is normal; water that stays brown may mean corroded galvanized pipe or a water heater problem. - **Pour water into every drain**, including guest baths, floor drains and laundry sinks. Dry drain traps let sewer gas into the house. - **Look under every sink** while water runs. Check supply lines and drain connections for drips. - **Check for dripping faucets and shower heads.** Dried-out cartridges and washers often leak after a long break. See dripping faucet repair (https://dominickplumbing.com/dripping-faucet-repair-scottsdale). ## Toilets - **Flush each toilet two or three times** and watch it refill. - **Listen for a toilet that keeps running** or refills on its own. Flappers often warp in summer heat. See why a toilet keeps running (https://dominickplumbing.com/toilet-keeps-running-causes-fixes-scottsdale). - **Do a dye test:** add a few drops of food coloring to the tank. If color shows in the bowl within 15 minutes without flushing, the flapper leaks. - **Check the base for water or a rocking toilet.** Wax rings can dry out. See toilet leaking at the base (https://dominickplumbing.com/toilet-leaking-at-base-repair-cost-scottsdale). - **Check the supply line and shutoff valve** behind each toilet for drips or crust. ## Water heater - **If you turned it to "vacation" or off, turn it back on** and give it an hour or two to heat. - **Run hot water at a faucet first** to clear any air before relighting or restoring power. - **Check the relief valve and discharge pipe** for dripping. - **Watch for rotten-egg smell in hot water.** Water that sat for months can react with the anode rod. Flushing the tank usually fixes it. See Is Water Heater Flushing Necessary? (https://dominickplumbing.com/is-water-heater-flushing-necessary-scottsdale) - **Consider a flush now.** Fall is a good time, since sediment settled while the tank sat idle. ## Water softener and RO system - **Check the salt level** in your softener and add salt if it's low. Break up any salt bridge (hard crust) with a broom handle. - **Run a manual regeneration** so the resin starts fresh. - **Reset the clock** if the power went out while you were away. - **Drain and refill your RO storage tank** once or twice before drinking from it. Replace filters if they're due. Our RO service (https://dominickplumbing.com/services/reverse-osmosis) and water softener service (https://dominickplumbing.com/services/water-softeners) pages cover maintenance. ## Appliances and outdoor plumbing - **Check washer hoses, the icemaker line and dishwasher supply** for cracks, bulges or drips. Replace rubber washer hoses with braided ones. - **Run the dishwasher and washer** on a short cycle while you're home to watch for leaks. - **Check outdoor faucets** for drips or cracked handles. See outdoor faucet leak repair (https://dominickplumbing.com/outdoor-faucet-leak-repair-scottsdale). - **Run each irrigation zone** and look for geysers, soggy spots or dry patches. - **Check pool and water feature auto-fill valves** for constant running. ## Signs you should call a plumber - The water meter moves when nothing is running. - A warm spot on the floor, the sound of running water, or a sudden jump in your water bill. These can point to a slab leak (https://dominickplumbing.com/slab-leak-repair-scottsdale-guide). - No hot water, or a leaking water heater. - Pressure over 80 psi, or banging pipes. - Brown water that doesn't clear after flushing. - A sewer smell that doesn't go away after running water in every drain. ## Next time you leave: set up before you go - Shut off the main water valve, or install an automatic leak detection and shutoff system (https://dominickplumbing.com/services/leak-detection-shutoff) you can monitor from your phone. - Set the water heater to "vacation" mode. - Ask a neighbor or house watcher to run the faucets and flush toilets every few weeks. - Have your softener, water heater and PRV checked in the spring so problems don't wait for you all summer. ## Frequently asked questions **How do I turn my water back on after being away?** Close all faucets and appliance valves, then open the main shutoff slowly, a quarter turn at a time. Once the system fills, check the meter's leak indicator and flush each faucet for 2–3 minutes. **Why does my water smell after being away for months?** Water that sits in the water heater can react with the anode rod and smell like rotten eggs. Dry drain traps can also let sewer gas in. Run water in every drain and flush the water heater if the smell stays in the hot water. **Why is my water brown after coming back?** Sediment and rust settle while water sits still. Run the cold water until it clears. If it stays brown, you may have corroded pipes or a water heater problem. **Should I shut off my water when I leave Arizona for the summer?** Yes, or install an automatic leak detection and shutoff system. Shutting off the main is the simplest way to prevent a leak from running for months. **How do I check for a hidden leak?** Turn off everything that uses water and watch the leak indicator on your water meter. If it moves, water is going somewhere, and a plumber can find the source with leak detection equipment. ## Keep reading - Leaks & Repairs ### Is My Water Pressure Too High? Signs & Fixes Is your water pressure too high? Signs, a 2-minute gauge test, the 80 psi limit, and 2026 Scottsdale PRV costs ($450–$850). https://dominickplumbing.com/is-my-water-pressure-too-high-scottsdale - Leaks & Repairs ### Outdoor Faucet Leak Repair in Scottsdale, AZ Licensed Scottsdale plumber's guide to outdoor faucet leak repair — why hose bibbs fail here, DIY checks, and flat-rate replacement pricing ($250–$450) in 2026. https://dominickplumbing.com/outdoor-faucet-leak-repair-scottsdale - Water Heaters ### Tankless Water Heater Descaling in Scottsdale How often to descale a tankless water heater in Scottsdale's hard water, warning signs, DIY steps and 2026 descaling costs ($150–$250). https://dominickplumbing.com/tankless-water-heater-descaling-scottsdale - Water Heaters ### Hot Water Smells Like Rotten Eggs After a Softener? Hot water smells like rotten eggs after installing a water softener? 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