Attachment C1- Sample Quarterly Legionella Report_Redacted.pdf

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F103--Legionella and HPC Water Testing
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36C26126Q0131
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This document is a Legionella water testing report for the VA Central California Healthcare System (VA Central California HCS) conducted on May 21-22, 2025. The detailed report includes water sample testing from multiple buildings, floors, and sources such as sinks, showers, and ice machines, categorized by hot, cold, and mixed water types.

The testing results reveal several instances of Legionella detection across different locations. Notable findings include Legionella non-pneumophila species detected at various concentrations (ranging from 0.4 to 26.0 CFU/mL) in multiple rooms, and some Legionella pneumophila serogroup 2-14 detections in hot and mixed water sources. The samples were processed in accordance with ISO 11731:2017 standards and the CDC's procedures for Legionella recovery, with a minimum detection limit of 0.4 CFU/mL. A flow chart for interpreting routine quarterly environmental water testing is included, following VHA Directive 1061 guidelines for preventing healthcare-associated Legionella disease.

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VA Central California HCS, May 21-22, 2025 - 1 of 7

ELAP Lab ID: | NELAC Lab ID: | EPA Lab ID:

Travis Horn VA Central California HCS 2615 E Clinton Ave.

Fresno, CA 93703

(o) 559-225-6100 ex5735 travis.horn@va.gov

June 05, 2025

Subject: VA Central California HCS, Q3 FY2025 Legionella Results

Dear Mr. Horn, In accordance with VHA Directive 1061: Prevention of Healthcare-Associated Legionella Disease and Scald Injury from Potable Water Distribution Systems, samples submitted from your facility were tested for the presence of various Legionella species, including Legionella pneumophila. Additionally, the following water quality parameters were measured at the time of collection: pH, temperature, and residual biocide.

Sample analysis was performed by the Laboratory at a minimum detection limit of 0.4 CFU/mL.

VA Central California HCS, May 21-22, 2025 - 2 of 7

ELAP Lab ID: | NELAC Lab ID: | EPA Lab ID:

Summary Flow Chart for Interpretation of Routine Quarterly Environmental Water Testing

File details come from the government source that posted it. Updated .