Bad Taste or Odor
Bad tasting or smelling water in Columbus, and what is causing it
Bad taste or odor in your water is always a sign of a specific problem, and every problem has a fix.
The three most common
The three most common taste and odor problems
Each problem has a distinct cause and a specific treatment. Knowing which one you have determines the right solution, which is why we test before we recommend anything.
Chlorine taste and smell
Columbus Municipal Utilities disinfects city water with chlorine, which is effective at killing bacteria but leaves a chemical taste and swimming-pool odor. Levels vary with the season and tend to be higher in warmer months when bacterial growth in the distribution system is more active. This is the most common taste complaint from Columbus city water users, and it worsens noticeably in hot water, which is why your morning shower may smell more strongly than the cold tap.
The quick read
- Smells like
- Chemical, swimming pool
- Cause
- Municipal chlorine disinfection
- Worse in
- Hot water and warm months
- Fix
- Whole-house carbon filter or K5 station
Rotten egg or sulfur smell
Hydrogen sulfide gas occurs naturally when sulfur-containing minerals in rock formations are reduced by bacteria or by the decay of organic material. It is far more common in well water but can occur in city water under certain distribution conditions. The smell is unmistakable, like sulfur matches or rotten eggs. At low levels it is unpleasant but not dangerous; at higher levels it can corrode metal plumbing and discolor fixtures.
The quick read
- Smells like
- Rotten eggs, sulfur
- Cause
- Hydrogen sulfide gas
- Common in
- Well water, hot water
- Fix
- Iron and sulfur filter
Musty or earthy smell
Algae blooms or organic matter in the source water can occur seasonally. In Ohio this tends to peak in late summer when lake and reservoir levels drop and algae growth increases. A musty smell can also come from biofilm buildup inside older pipes or a water heater that has not been flushed recently. Geosmin, a compound produced by certain soil bacteria and algae, is responsible for that classic earthy smell, and humans can detect it at extremely low concentrations.
The quick read
- Smells like
- Musty, earthy
- Cause
- Geosmin from algae or organics
- Common in
- Late summer, older plumbing
- Fix
- Carbon filtration, UV if needed
Visual problems
Cloudy, discolored, or off-color water
Color and clarity problems are related to taste and odor issues but have their own specific causes and fixes.
Milky or white water
This is dissolved air trapped under pressure, usually from recent work on the water main or changes in municipal water pressure. Fill a glass and let it sit for two minutes; if it clears from the bottom up, it is just trapped air and requires no treatment. It is the only cloudy water situation that is completely harmless. If it stays cloudy, have your water tested.
Yellow or brown water
This is most likely iron or manganese, or a disturbance of sediment deposits in aging cast iron water mains. Columbus has an aging distribution infrastructure, and main breaks or pressure changes can temporarily stir up rust sediment. If this happened only once after a main break, run cold water until it clears. If it is persistent or frequent, schedule a water test, and see our iron staining page for more detail.
Blue or green tint near fixtures
Acidic water with a low pH is dissolving copper from your pipes and fixtures, and the blue-green staining around sinks, tubs, and drains is oxidized copper. This is a sign of corrosive water, most common in well water with naturally low pH but possible with certain city water chemistries. Have your pH tested promptly, since corrosive water can cause pinhole leaks in copper pipes over time. Treatment options include neutralizing filters or chemical feed systems to raise the pH.
A clear diagnosis
Pinpointing your specific problem
Taste and odor problems are frustrating because several different issues can produce similar symptoms. Chlorine and hydrogen sulfide are both unpleasant smells but require completely different treatment. Cloudy water can be harmless trapped air or a sign of bacterial contamination. You cannot fix a water problem you have not correctly identified.
A professional water analysis resolves this. We test your water on-site for the most common Columbus issues: hardness, iron content, pH, chlorine levels, hydrogen sulfide, turbidity, and total dissolved solids. For well water, we can also arrange more comprehensive lab testing for bacteria, nitrates, arsenic, and other parameters.
Taste and odor problems are often layered. A Columbus home might have chlorine taste from city water, plus iron staining from aging distribution pipes, plus hard water affecting their appliances, all at once. The analysis identifies every issue so we can recommend the right combination of systems rather than treating one problem while leaving others in place.
A free water analysis tests for
- Hardness in grains per gallon
- Iron and manganese levels
- pH and acidity
- Chlorine and chloramine levels
- Hydrogen sulfide, the odor
- Turbidity and total dissolved solids
Test, then treat
The right answer depends on what is actually in your water
Why guessing rarely works
A chlorine taste, a sulfur smell, and a musty odor can look like one complaint but trace back to three different causes. Buy the wrong filter and the smell comes right back. This is why we do the test before recommending anything.
What the test gives you
Our analysis measures the specific levels in your water and takes about 20 to 30 minutes in your home. You get a clear picture of every issue and a recommendation matched to it, with no pressure and no obligation.
Kinetico solutions
Kinetico systems for taste and odor problems
Each system targets a specific problem. We recommend what your water actually needs, not everything in the catalog.
K5 Drinking Water Station
Reverse osmosis for your drinking and cooking tap
An under-sink reverse osmosis system that removes 99% or more of dissolved contaminants from your drinking and cooking water. If your problem is chlorine taste, a musty odor, or any concern about what is in your drinking water, the K5 solves it completely at the tap.
- Holds more NSF certifications than any other home system
- Removes chlorine, chloramines, lead, arsenic, and nitrates
- Reduces VOCs and pharmaceuticals
- Dedicated faucet at your kitchen sink
Whole-House Carbon Filter
Better-smelling water from every tap, including the shower
For households where chlorine is the primary issue, this is installed where water enters the home. Activated carbon adsorbs chlorine, chloramines, and many volatile organic compounds as water passes through, treating it before it reaches any fixture, including the shower where hot water vapors carry the smell most intensely.
- Treats water at the point of entry
- Reduces chlorine, chloramines, and VOCs
- Improves taste and odor at every fixture
- No chemicals added
Iron and Sulfur Filter
For the rotten-egg smell, often alongside orange staining
If your water smells like rotten eggs and you also have orange staining, you likely have both hydrogen sulfide and dissolved iron. This specialty filter uses an oxidizing media to convert both into solid particles that are then backwashed out of the system.
- Works without added chemicals
- Runs without electricity
- Removes hydrogen sulfide and dissolved iron
- Can be paired with a softener if water is also hard
Not sure which system your water needs, or whether you need more than one? Compare the full lineup on the specialty treatment page and the drinking water systems page, or let us test your water first and recommend the right combination.
FAQ
Taste and odor questions from Columbus residents
No. Chlorine levels in Columbus city water are regulated to stay well within EPA safety limits, so the taste and smell are unpleasant but not a health threat at the concentrations used for municipal disinfection. Removing chlorine at the point of use, either with a whole-house filter or a drinking water system, eliminates the taste and odor entirely.
Hydrogen sulfide gas, which dissolves into water as groundwater moves through sulfur-containing rock formations. In Ohio this is most common in private well water, particularly wells that tap deeper aquifers. The smell can also come from sulfur-reducing bacteria in a water heater set too low. If the smell is only in your hot water, that is a strong indication the water heater is the source.
Two reasons. First, dissolved gases including hydrogen sulfide and chlorine are more volatile at higher temperatures, so they release into the air more readily when the water is hot, and your nose detects them more easily. Second, water heaters create a warm, low-oxygen environment that can harbor sulfur-reducing bacteria, particularly when set below 140 degrees Fahrenheit. If the rotten-egg smell comes only from the hot tap, the water heater is likely contributing.
A pitcher filter does reduce chlorine taste and odor at the glass, and it is better than nothing, but it only treats the water you manually pour through it, not your sink, shower, or dishwasher. Its filters have limited capacity and need frequent replacement. For a whole-home solution that clears chlorine smell from every tap, a whole-house carbon filter is more effective. For the highest quality at your drinking tap, the K5 reverse osmosis system removes chlorine and dozens of other contaminants a pitcher cannot touch.
A professional water test is the most reliable approach. A strong chlorine or swimming-pool smell points to city water disinfection chemistry. A rotten-egg or sulfur smell points to hydrogen sulfide, almost always from well water or a water heater. A musty or earthy smell points to geosmin from algae or to biofilm in plumbing. Because multiple problems can overlap and look similar, a test that measures specific levels gives you certainty rather than guesswork. Our free analysis tests for the most common Columbus problems and takes about 20 to 30 minutes. Call (614) 555-0100 to schedule.
Stop tolerating bad water
Schedule a free water analysis and we will identify your exact problem.
Bad taste and odor problems have specific causes, and each cause has a specific fix. Stop guessing and start with a free test from a local Columbus water expert.