VerifiedWaterFilterData
Water troubleshooter

Something off with your water?

A strange taste, smell, or color is your water telling you something. Pick what you’re noticing and we’ll walk you through the likely cause, whether it’s a health concern or just a nuisance, how to confirm it — and the certified filter that actually fixes it. And we’ll tell you when a filter won’t help.

Water tastes…

A funny taste is your water telling you what dissolved into it — usually a mineral, metal, or the disinfectant.

Metallic taste
Iron + 4 more
Salty taste
Chloride + 2 more
Bitter / sharp taste
High total dissolved solids (TDS) + 2 more
Earthy / musty / moldy
Geosmin & MIB + 1 more

Water smells…

Most odors come from gases or the disinfectant, and some come from the drain — not the water itself.

Chlorine / pool smell
Chlorine + 1 more
Fishy smell / taste
Organic matter + chloramine + 2 more
Rotten-egg / sulfur smell
Hydrogen sulfide gas + 2 more
Sewage / musty-drain smell
Drain bacteria (most common) + 2 more
Gasoline / solvent / chemical smell
Fuel contamination + 2 more

Water looks…

Color, cloudiness, and stains point to sediment, metals, or hardness — and sometimes to something completely harmless.

Cloudy / milky water
Dissolved air (most common) + 2 more
Brown / yellow / orange water
Iron / rust + 3 more
Pink residue / slime
Serratia marcescens
Blue-green stains
Copper + acidic water
Black specks / particles
Manganese + 2 more
White scale / spots / residue
Water hardness (calcium & magnesium)
Want the full picture? Get an EPA water-quality report for your exact system by ZIP.
Check my water →

Guidance here is general and based on the most common causes; for a private well or a suspected health hazard, test your water or contact your utility or health department. See our methodology.