Tests to order in VA
- Iron bacteria
- Total coliform
- Iron
- Manganese
Virginia well water problem / Slime in Toilet Tank from Well Water
Slime in Toilet Tank from Well Water in Virginia
Orange, black, or clear slime grows in toilet tanks or filters. For Virginia private wells, the safest path is to match the symptom with lab testing before choosing treatment.
Likely causes
- Iron bacteria
- Manganese bacteria
- Biofilm
- Bacterial contamination
What to do next
- Do not rely on appearance alone
- Test bacteria
- Discuss shock chlorination and source correction
Related Virginia well water topics
Rotten Egg Smell in Well Water
Water smells like rotten eggs, sulfur, or sewage.
Orange or Rust Stains from Well Water
Sinks, tubs, toilets, or laundry develop orange-brown stains.
Black Stains in Well Water
Black staining appears on fixtures, laundry, or toilet tanks.
Blue-Green Stains from Well Water
Blue or green stains appear around drains and fixtures.
Salty Tasting Well Water
Water tastes salty, brackish, or mineral-heavy.
Metallic Taste in Well Water
Water tastes metallic, bitter, or like pennies.
Keep your well history
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Save test history, set annual reminders, compare results over time, and create a shareable report for your family or water professional.
Track symptoms and lab results in the app