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Common Water Quality Issues and What They Mean

Home | Blog | Published on April 28th, 2025

The quality of the water flowing through your home’s pipes has a direct affect on your health, your plumbing system, and your appliances. Many homeowners assume their water is clean and safe if it looks clear—but appearances can be deceiving.

Water can contain a wide range of contaminants, minerals, and bacteria that aren’t always visible to the eye. Identifying water quality issues early allows you to take action before damage occurs. If you’ve noticed unusual tastes, odors, staining, or other signs, it may be time to test your water and consider treatment solutions.

Hard Water and Mineral Buildup

One of the most common water quality issues is hard water. Hard water contains elevated levels of minerals—primarily calcium and magnesium—which can leave behind scale buildup on faucets, fixtures, and appliances. Over time, this mineral accumulation can restrict water flow, damage internal plumbing components, and shorten the lifespan of dishwashers, washing machines, and water heaters.

Solution: Installing a water softener can effectively remove hardness minerals and protect your home’s plumbing system. You’ll also notice cleaner dishes, smoother skin, and reduced soap scum.

Unpleasant Odors or Chlorine Taste

Does your water smell like rotten eggs or have a strong chemical taste? Odors can be caused by sulfur, chlorine, or organic materials in the water supply. Municipal water systems often use chlorine for disinfection, but excessive amounts can affect taste and irritate sensitive skin or eyes.

Solution: A carbon filtration system or whole-home water filter can help reduce chlorine, odors, and other chemical residues, leaving your water fresh, clean, and better tasting.

Discoloration or Cloudiness

Brown, yellow, or cloudy water may indicate the presence of rust, sediment, or organic materials. This is often the result of old galvanized plumbing, corroded pipes, or a disturbance in the municipal water supply. While it may not always pose a health risk, discolored water is a sign that your plumbing may need attention.

Solution: Sediment filters and whole-house filtration systems can remove particles from your water before they enter your fixtures or appliances. Pipe inspection may also be recommended in older homes.

Bacterial Contamination

If your water comes from a private well, it’s particularly important to test for microbial contamination. Bacteria such as E. coli, coliforms, and viruses can infiltrate well water due to poor sealing, runoff, or nearby septic systems. These contaminants can lead to gastrointestinal illness and pose a serious health threat.

Solution: UV purification systems and reverse osmosis filters are highly effective in eliminating bacteria, viruses, and protozoa, making your water safe to drink and use.

Stains on Sinks or Laundry

Orange or reddish stains on your sinks, bathtubs, or laundry can be caused by excess iron in the water. Similarly, bluish-green stains may indicate elevated copper levels or corrosive water. These stains are unsightly and can damage clothing and surfaces over time.

Solution: Iron filters and pH balancing systems can help correct these problems and protect your plumbing and fixtures from damage and discoloration.

Low Water Pressure and Clogged Fixtures

If your water pressure has dropped or you’re frequently cleaning out faucet screens, you may be dealing with mineral buildup or sediment in the lines. Left unchecked, these problems can lead to larger plumbing issues.

Solution: Addressing the root cause—usually hard water or sediment—is the key. A professional water test can help pinpoint the issue, and filtration or softening equipment can resolve it long term.

Don’t Guess—Test

Because water quality issues aren’t always obvious, the best first step is a comprehensive water test. Professional water testing reveals the exact makeup of your water supply, allowing you to choose the right filtration or treatment solution for your home’s unique needs. Many water issues can be solved quickly and affordably with the right equipment in place.

For HVAC service you can rely on, trust Mahalo Heating and Air Conditioning. We’re proud to serve Douglas County with excellence, one customer at a time!

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