Key takeaways
- Know where your main shutoff and fixture shutoffs are before you need them.
- A water bill that climbs with no change in habits is often the first sign of a hidden leak.
- Ohio winters put pipes in exterior walls, garages, crawl spaces and hose bibs at the highest risk of freezing.
- Pressure that is too high does as much harm as pressure that is too low.
- Much of Ohio has hard water, and the scale it leaves shortens the life of fixtures and water heaters.
Where leaks start in Ohio homes
Most household leaks begin in the same few places: supply lines under sinks, toilet connections, washing machine hoses, water heater fittings and the joints on older pipe. Many Ohio homes were built decades ago, and older houses can still have galvanized steel supply lines that corrode from the inside, or copper that has worn thin at bends and joints. Newer homes have their own weak points, usually a fitting that was never fully seated or a plastic connector that has aged.
A slow leak rarely announces itself. You are more likely to notice a stain, a soft spot in a cabinet floor, peeling paint, a musty smell in the basement or a faint sound of running water when nothing is on. Make a habit of looking under every sink and behind every toilet a few times a year. A dry paper towel held against a fitting will show moisture that your eyes miss.
Basement dampness is not always a plumbing leak. In Ohio, heavy rain and clay-heavy soil can push groundwater through foundation walls and floors. If the water shows up after storms, look at drainage and a sump pump before you assume a pipe has failed. For a step-by-step method of telling the difference, see how to find a hidden water leak.
What your water bill can tell you
Your water bill is the cheapest leak detector you own. Pull out a few past bills and compare the same season year over year. If usage has risen and nothing in your household has changed, such as more people, a new pool or a lawn watering schedule, something is probably leaking.
The most common hidden culprit is a toilet. A worn flapper lets water trickle from the tank into the bowl, often silently, and it can run around the clock. Irrigation lines, outdoor spigots and a leaking water heater connection are also frequent causes.
To confirm a leak, use the water meter. Turn off every fixture and appliance in the house, then check whether the meter is still moving. Most meters have a small dial or triangle that spins when any water flows. If it moves with everything off and the toilets ruled out, water is escaping somewhere between the meter and your fixtures. If the leak is in the pipe running from the street to your house, it may be buried and will need locating equipment. That is a job for a plumber, and our leak repair service page explains what to expect.
Know where your shutoff valves are
When a pipe fails, the first few minutes matter. Every household member who is old enough should know where the main shutoff valve is. In many Ohio homes it sits in the basement or utility area, near where the water line enters the house and close to the meter. In a slab home it may be in a utility closet, a garage wall or a crawl space.
Operate it once while nothing is wrong. Older gate valves can seize with age, and a valve that will not turn or leaks around the stem needs replacing before an emergency, not during one. Turn it slowly and do not force a stuck handle.
Beyond the main, look for individual shutoffs. Sinks and toilets should each have a small stop valve on the supply line, and the water heater, washing machine and outdoor hose bibs usually have their own. Closing a local valve stops a problem without shutting down the whole house. If any of these valves are missing, ask a plumber to add them the next time work is done on that fixture. It is a short job that pays for itself the first time something breaks.
Frozen pipes and Ohio winters
Ohio gets enough hard freezes that pipe protection is a regular part of owning a home here. The pipes at greatest risk are those in exterior walls, unheated garages, crawl spaces, attics and the rim area of the basement where the house meets the foundation. Outdoor hose bibs are the other classic problem, especially when a hose is left attached.
Before cold weather, disconnect and drain garden hoses, shut off and drain the lines feeding outdoor faucets where there is an interior shutoff, and insulate exposed pipe in unheated spaces. During a hard freeze, open cabinet doors on exterior walls, keep the thermostat steady, and let a faucet at the far end of the house trickle if a line is known to be vulnerable.
If a pipe does freeze, open the nearest faucet and warm the pipe slowly, starting at the faucet side. Never use an open flame. If a pipe has split, shut off the main and call a plumber. The full checklist is in preventing frozen pipes in an Ohio winter.
Water pressure too high or too low
Pressure problems show up in different ways. Low pressure feels like a weak shower, slow-filling tubs or a washing machine that takes forever. High pressure is harder to spot because nothing seems wrong, but it quietly wears out fixtures, supply hoses, water heaters and appliance valves. Banging pipes, a running toilet that keeps cycling and faucets that drip soon after a new washer are common signs.
A simple pressure gauge that screws onto an outdoor hose bib will tell you what you have. Most homes do well somewhere between about 40 and 80 psi, and a reading well above that range calls for attention. Many homes have a pressure reducing valve near the main to keep street pressure in check, and these wear out over time.
For low pressure, start with the easy checks: is it one fixture or the whole house, hot water only or both? A single fixture usually points to a clogged aerator or cartridge. Hot water only suggests a problem at the water heater. Whole-house low pressure can come from a partly closed main valve, a failing regulator, or old galvanized pipe that has narrowed inside. Diagnosing those last two is a plumber's job.
Hard water and your fixtures
Much of Ohio has hard water, meaning it carries dissolved calcium and magnesium picked up from the limestone and glacial deposits the water passes through. You see it as white crust around faucets, cloudy glassware, stiff laundry and showerheads that spray in odd directions as the holes clog.
Inside the walls, the same minerals build up as scale. Water heaters suffer the most. Scale collects on the bottom of a tank or on a heating element, makes the heater work harder and can produce popping or rumbling noises as it heats. Scale also narrows pipes over many years and shortens the life of dishwashers, washing machines and faucet cartridges.
A water test tells you how hard your water is, and from there you can choose a response. Cleaning aerators and showerheads helps, flushing a water heater helps, and a water softener addresses the cause. Our guide to what hard water does to your plumbing covers signs and softener basics, and the water treatment page covers installation.
When to call a plumber
Plenty of small jobs are fine for a homeowner: replacing a toilet flapper, cleaning an aerator, tightening a loose compression nut by a quarter turn. Stop and call a plumber when the problem is behind a wall, under a slab or in a buried line, when the water meter moves with everything off and you cannot find the cause, or when a pipe has frozen and split.
Call right away if water is near electrical panels, outlets or appliances, if a water heater is leaking from the tank itself, or if the temperature and pressure relief valve is discharging. Shut off the water supply to the affected area first, and turn off power to the water heater if you can reach the switch safely and the area is dry. If you smell gas, leave the house and call your gas utility from outside. Gas piping is never a do-it-yourself repair.
A good plumber will find the source, explain what failed and show you the options. If you are unsure whether something is urgent, contact us or check the FAQ for common questions.
Frequently asked questions
How do I know if I have a hidden water leak?
Watch for a rising water bill with no change in habits, stains or musty smells, and the sound of water running when nothing is on. A meter that keeps moving with every fixture off is a strong sign of a leak.
Where is my main water shutoff valve?
In many Ohio homes it is in the basement or utility area near where the water line enters the house, usually close to the meter. Find it now and turn it once to make sure it works.
Is high water pressure a problem?
Yes. Pressure well above the normal range strains fixtures, hoses, water heaters and appliance valves, and it can cause banging pipes and early leaks. A plumber can test it and replace a failing pressure reducing valve.
Is hard water harmful to my plumbing?
It is not a safety issue, but the scale it leaves shortens the life of water heaters, fixtures and appliances and reduces flow over time. Testing your water is the first step in deciding what to do.
6 min read.