Bacteriawatcult
This test identifies and cultures bacteria present in water samples to assess water safety and potential contamination.
{"This test detects harmful bacteria in water samples","Results help determine if water is safe for use or consumption","Common bacteria tested include E. coli, Salmonella, and Legionella","Sample collection method is crucial for accurate results","Positive results may require water source investigation and treatment"}
Key facts at a glance
- LOINC
- 14093-9
- Short code
- WBCID
- Synonyms
- Bacteria Wat Cult
- Category
- chemistry
- Sample
- serum
- Container
- Sterile, leak-proof, wide-mouth container (≥100 mL) with sodium thiosulfate for chlorinated water sources
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- ≥ 0 years
- Method
- culture
- CPT
- 87086
- SNOMED
- 395084000
- Specimen volume
- Minimum 100 mL of water; 1 L preferred for potable water analysis
- Stability
- Process within 2 hours of collection at room temperature; refrigerate at 2-8°C if transport delayed beyond 2 hours; do not freeze; maximum holding time 24 hours
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 48–168 hours
- Order
- routine
What is this test?
The Water Bacteria Culture Test is a laboratory analysis that identifies specific bacteria present in water samples. The test involves collecting a water sample and cultivating it in a laboratory setting to allow any bacteria present to grow and be identified. This helps determine whether the water source contains harmful microorganisms that could pose health risks to humans.
How is the sample collected?
Water samples are typically collected in sterile containers from the water source being tested, such as tap water, well water, or recreational water. The collection method is important - samples should be taken according to specific guidelines to avoid contamination during collection. The sample is then transported to a laboratory where it undergoes culture analysis.
What do the results mean?
Results indicate whether harmful bacteria are present in the water sample. If pathogenic bacteria are identified, this suggests the water source may be contaminated and could pose health risks if used for drinking, cooking, or recreation. The specific type of bacteria found determines the appropriate response and treatment measures.
Reference range
No growth of pathogenic bacteria. Reference limits vary by water source (potable, dialysate, rinse, environmental). Results reported as colony-forming units per milliliter (CFU/mL).N/A
Not applicable for environmental water testing. For patient-associated water sources (dialysate, BAL washings), no patient preparation required.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings2
Frequently asked questions
Why is water bacteria testing needed?
How long does it take to get results?
What should I do if bacteria are found in my water?
How often should water be tested?
Sources
- 1CDC - Water TestingSource
- 2
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy