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Work out what to check after a sudden well water change
Use this guide first if the trouble started after flooding, well damage, a repair, a pressure loss, or another clear event.
Private well symptom guideCommon well water problems:
Common well water problems:
Spot which one matches what you see
Your nose catches a rotten-egg smell. The tub has a new orange ring. A glass from the kitchen tap looks cloudy or has grit at the bottom. Pick the guide matching what you see. Observe what it looks, smells, or tastes like and where it appears, ask a laboratory the right questions about what to test, then compare repairs or treatment after you receive the results.
Fe
Understand orange, red, or brown stains in well water
Note whether the color appears in the water or only after it sits. Check which fixtures stain, then use laboratory testing to sort through common causes.
H₂S
Find where a rotten-egg smell in well water starts
Check more than one faucet. Compare hot water with cold water, write down the pattern, then plan the test or repair.
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Tell air bubbles from sediment in cloudy well water
Fill a clear glass and watch it. Compare faucets, then note whether bubbles rise or particles settle. If you see black specks, sand, or grit, use the black particles in well water troubleshooting guide to record where and when they appear before testing.
Ca
Recognize white scale, spots, and soap that will not lather
White residue and poor soap performance can be clues to hardness. A laboratory result tells you how much hardness is present.
pH
Understand blue-green sink stains and plumbing corrosion
Blue-green stains can point to plumbing corrosion. Tell a certified laboratory where you see the stains and ask which sample location and collection method fit the question.
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Plan ahead when well water looks and smells normal
Keep routine testing on the list. Some contaminants do not change the water's taste, smell, or appearance.
Remember: clear water is not necessarily safe water, and unpleasant water is not always a health hazard. Testing separates nuisance conditions from health concerns.