Cross Connections: How Your Potable Water Source Becomes Contaminated
February 29, 2020
The Safe Drinking Water Act of 1974 set a new standard for drinking water nationwide. But that doesn’t mean accidents don’t occur. Potable (or pure) water can sometimes become mixed with non-potable (or impure) water. When this happens, homeowners have a big problem on their hands. Of course, these contaminations aren’t always avoidable. However, knowing how a contamination occurs can help you prevent issues.
The first thing to become familiar with is the term “cross connection.” Put simply, this is any area where a public water supply and contaminated source are brought together. In your own home, these areas include the following:
- Garden hoses
- Pools
- Sprinkler systems
- Boilers
- Pressure washers
- Toilets
- Dishwashers
A contamination source can be anything from fertilizer to sewage. The threat of a contamination is highest in these particular areas.
The Two Common Causes of Contamination
There are several factors that can cause contamination. Of these, the two most frequent are unprotected piping and backflows. When these two factors occur simultaneously, massive contamination can result.
Unprotected Piping
A piping system can become unprotected when it bursts, develops mold or other plant growth, or erodes. This is often the result of poor care and failure to schedule maintenance checkups. There are a range of other pipe protection methods. Primarily, you should be sure to implement the following tips into your maintenance routine:
- Avoid putting antifreeze and other harmful chemicals into your piping system.
- Drain hoses and bring them indoors when not in use.
- Insulate cold and hot water pipes. You can do this by installing heat tape or pipe sleeves to the exterior of your pipes.
- Keep garage doors shut if the garage contains a water supply source.
- Allow water to run continuously (even at just a drip) through exposed pipes.
These common sense tips are your first step towards achieving protected pipes. If you would like to learn more, your local plumber should be able to provide more information.
Backflows
The water in your home normally flows in one direction. The flow begins in the original water supply and moves on to the piping system and finally through your home’s water fixtures. Unfortunately, certain conditions can cause the flow direction to reverse.
While these conditions are rare, they do occur. The best way to avoid these conditions is by taking action with the following steps:
Identify your home’s cross-connections.
- Install backflow prevention devices. These include vacuum breakers and double check assemblies.
- Keep hoses from becoming submerged in water.
- Turn off valves when they are not being used.
- Install thermal expansion devices on hot water pipes.
When you take these steps, you work to ensure that your water supply remains uncontaminated. This work also benefits your neighbors and community.
Schedule Regular Maintenance for Best Results
You’ve heard it before, but here it is again: regular maintenance is the best course of action. Choose a plumbing company that complies with state and federal standards. By doing so, you can avoid problems down the road. Most cross connection control services include the following:
- Backflow prevention programs that install and maintain prevention devices.
- Testing of auxiliary water sources to ensure that drinking water standards are met.
- Testing and maintenance of private fire hydrants.
- Repairs and replacements for backflow prevention devices.
Contact a Plumber for More Information about Your Cross Connection Risks
Of course, your best option will be to work with a local professional. He or she will understand your local climate and other potential threats to your water supply. You may have questions or be interested in learning more about water contamination avoidance. If so, we suggest you give a local plumber a call right away.
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You don’t worry about your garbage disposal most of the time-after all, it sits out of sight and out of mind. You only worry about it when you have to clear a backup in your sink or flush food debris down the drain. You might also feel anxious when you have to fish a ring or other valuable out of the disposal’s depths. But for the most part, you don’t think about this home feature much. Even though this device doesn’t play a starring role in your everyday comfort, you’ll notice when it doesn’t work properly. If your garbage disposal exhibits any of the signs listed below, then it either needs repair or replacement. Call your plumber right away so you can have a working disposal again as soon as possible. 1. Your Garbage Disposal Won’t Even Turn On If you flip the switch for your disposal and nothing happens, then you know you have a problem. But before you call your plumber, check the circuit breaker or fuse connected to your disposal. You may have to hit the reset button on a nearby outlet, or you might have to go to your circuit breaker box and flip a larger switch there. Once you’ve checked the breakers, try to use your disposal again. If it still refuses to move or make noise, turn it off and check the interior to see if anything has jammed the blades. If you don’t see any obstructions, and if the circuit hasn’t blown, then your garbage disposal has probably burned out, and you’ll need a plumber to at least inspect the device. He or she will probably have to replace it. 2. You Have to Press the Reset Button Every Time You Use Your Disposal If you have to push the reset button on the outlet or flip the switch on the breaker every time you use your garbage disposal, then you either have insufficient wiring or your disposal has started to age. You’ll probably have to replace the disposal if it caused the problem. Again, contact your plumber for an inspection. If he or she says your disposal has worn out, then you should get a new one. On the other hand, if your plumber says that the disposal didn’t cause the problem, then you have to speak to an electrician. Even an older electrical system should support a garbage disposal. If yours doesn’t, then you could have a serious, even dangerous, wiring problem on your hands. Have a professional check it right away. 3. Your Garbage Disposal Has a Perpetually Bad Odor You’ve tried everything. You have used hot and cold water, citrus fruits, chemical agents, and other methods to try and get the smell out of your garbage disposal-but without success. At this point, you should probably consider having a professional disassemble and clean your garbage disposal. You can also replace the device and instantly have fresher air. 4. Your Disposal Takes an Excessively Long Time to Break Down Food Your garbage disposal should have the power to break down food waste in a matter of seconds. If it takes longer, then the blades have probably dulled. You don’t need to replace your entire device in this instance, but you do need your plumber to sharpen or replace the blades. 5. Your Disposal Clogs or Jams Every Time You Use It-Even When You Flush Small Food Items Again, your disposal should have the power to break down any kind of food waste. So, if this feature jams even when you put small morsels in it, then it at least needs an inspection. Call your preferred plumbing professionals, and they’ll tell you whether a repair or replacement will return your garbage disposal to normal. 6. Your Garbage Disposal Makes a Loud Metal-on-Metal Noise When It Runs When your disposal makes a sound like metal on metal, then its parts have started to grate or move incorrectly, so it needs a tune-up. If you don’t give it a tune-up, the motor could burn out or the parts could wear so much that you’ll have to replace your garbage disposal instead of repairing it. 7. You See Water Leaking From the Disposal Plumbers can fix the leaks around the device’s seals, but if the leak comes from a crack in the device, you’ll have to buy an entirely new disposal. Luckily, with a new model and a professional installation, you won’t have to worry about repairing your disposal again for a long time. Don’t try to repair your garbage disposal on your own. You could endanger yourself and anyone around you because of the device’s sharp edges and power supply. Instead, leave the repair or the replacement to the experts, who have the skill and the equipment to keep themselves safe while they work. With a professional disposal installation, you can have better confidence that your device will work properly.









