Chasing Water Leaks Part I

Ten percent of homes have water leaks that waste 90 gallons or more water per day. water-meterParticipate in National Fix-a-Leak Week by fixing a water leak this month.

 

The Silent Thief

A leaky faucet that drips at the rate of  one drip per second can waste more than 3,000 gallons of water per year. If you have a dripping faucet or running toilet, these need to be fixed first and will solve the obvious water leaks. If you need to call a handyman or plumber.. the time is now. If you want to give it the DIY try, visit EHow.com for a straight forward method for fixing common faucet and toilet leaks. However before you start, make sure you have already read my post on Water Supply Cut Off and City Water Cut Off.

 

Even though fixing water leaks is not normally what I would consider as preventative maintenance, fixing a faucet or toilet is something that is hard to miss, if you see it leaking….fix it. However, some water leaks can occur in places you would not normally view. Under the sink, behind the refigerator, and under the house are just some of the places. These type water leaks can go unnoticed for weeks, months or even years. These leaks not only waste water but can cause structural damage to wood floors as well as foundations. If you have no leaks, this inspection is about 5 minutes. If you do, plan on a good part of the day.  Good luck .

 

The Inspection

This inspection method is really about finding those hidden leaks.  Insure that nothing will be turned on (dishwasher, toilet, sprinklers, etc.), or activated during this test. Before performing the inspection you must gain access to the meter. This may require a meter key that can be purchased in the plumbing section of any home improvement center. Once you have the meter box open, the meter should be visible. There are at least a dozen different water meters having different dials and gauges. Look for the “Low Flow” gauge in the meter (in the meter pictured here, the low flow indicator is the little red blob to the left of the large sweep hand, between the 7 and 8 on the dial). If you are unsure which gauge it is, turn on a faucet, leave it on and look at the meter. One of the gauges in the meter will be moving faster than any other part of the dial; this is the low flow gauge. Turn off the fixture, return to the water meter and watch the low flow indicator for approximately 3-5 minutes. If the meter progressively moves forward, you have some form of leak, if not no further investigations are required. If you do have a leak,  you can call a professional or try to further isolate the problem. Either way, it may take some time  as some the leak may not be visible.  $TIP$: Isolating the leak before calling the plumber will save you some money as the plumber will charge you by the hour whether he is looking or fixing a leak. 

water-meter-key1Before we start the leak isolation test, turn the water off here (to make sure you can). It may seem like a simple task and why should you do it just to say you 100_0178can? Because when you really need to, time is of the essence, and you don’t have time to search for the right tool. This cut-off (on the street side of the meter head may be hard to get to, so find the right wrench that will work for you).  A crescent type wrench works best for me. The cut-off is probably a ball valve and you will only need to turn it 90 degrees from its current position. 

 

Leak Isolation Group I (fixtures, faucets and toilets):

If you find a lot of  water or condensation on the fixtures, save the test for a dry or warmer day as this condition will make it difficult to find your problem.

 As mentioned in the beginning of the article, you should have already fixed any obvious dripping faucets. This isolation method is for the hard to find leaks. If the low flow meter stops after any one of the isolation steps, you have found the source of the leak. toilet_water_shutoff_valve

  1. One at a time, turn off each fixture at the wall and return to the meter to watch the low flow gauge. This should include all faucets, toilets, ice makers, water filters, dish washer and water heater (inspect last).   If the meter stops, there is a leak between the cut off and the fixture.
  2. If you find water dripping or puddles, take some unused toilet paper and wipe down the hose, pip, cut-off, fixture and both ends of the connection; everything under the sink.  TRICK: Why use TP you ask? TP is very absorbent, very pliable and you can see any water trace in the paper. Water travels down hill so look at the joints above the first sign of water.
  3. With the water turned on, start your inspection from the highest joint/connection. Look at the TP after wiping down each joint/connection/pipe section/cut-off. If you find any water deposits on the TP, you may have found the leak. Leaks are usually found at joints, couplings and connections. Assuming it can be tightened, do so by hand if possible or with a wrench, or call a plumber. TIP: Most plumbing connection are made with soft plastic, copper or brass, only tighten the joint to the point of not leaking, over tightening can cause it to leak worse.  Many plastic joints ca be tightened by hand. After tightening the joint, dry it completely and perform the TP test again. Perform the test at least twice. If the leak persists, replacing the rubber washer or seal at this joint may be required.
  4. Toilets: Toilets require the TP test as well. Since most residential toilets have a tank, you will have to verify that water is not leaking from the tank to the bowl. Remove the lid from the tank and add some food coloring or colored tank bowl cleaner to the tank water (do not flush). Give it about 5 minutes, then see if any of the color has leaked in the bowl. You may have a leaky flapper valve. 
  5. Check the water meter again. Hopefully you fixed it, but you could still have more leaks.
  6. Perform this series of tests as required for each water fixture in the house. This will include all faucets, toilets  refrigerator mounted ice maker. dishwashers and any other water consuming or delivering device.

Look for articles on Sprinklers Leaks and Plumbing-Chasing Leaks Part II for additional leak detection methods.

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One Response to Chasing Water Leaks Part I

  1. [...] leaks in feeder/pressure lines is similar to the same process as found in the Chasing Water Leaks post. Turn off the main cut-off that will isolate the sprinkler system from the remaining water [...]

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