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Andersen Air Force Base Water System

Published drinking-water records and contacts for Andersen Air Force Base Water System. System GU0000009. Review sources and dates; not a real-time water assessment.

System ID
GU0000009
State or territory
GU
Published population served
7700
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2025-03-24Bldg.9060-MG3 / MB9060
4:2 FTS< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
6:2 FTS< 0.005 µg/L0.005 µg/L2025-03-24Bldg.9060-MG3 / MB9060
8:2 FTS< 0.005 µg/L0.005 µg/L2025-03-24Bldg.9060-MG3 / MB9060
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-03-24Bldg.9060-MG3 / MB9060
ADONA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
HFPO-DA< 0.005 µg/L0.005 µg/L2025-03-24Bldg.9060-MG3 / MB9060
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-11-18Bldg. 680- Booster-3 / BS3
NFDHA< 0.02 µg/L0.02 µg/L2025-03-24Bldg.9060-MG3 / MB9060
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-11-18Bldg 1620-Booster-2 / BS2
PFBA< 0.005 µg/L0.005 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFBS< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFDA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFDoA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFEESA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFHpA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFHpS< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFHxA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFHxS< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFMBA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFMPA< 0.004 µg/L0.004 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFNA< 0.004 µg/L0.004 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFOA< 0.004 µg/L0.004 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFOS< 0.004 µg/L0.004 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFPeA< 0.003 µg/L0.003 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFPeS< 0.004 µg/L0.004 µg/L2025-03-24Bldg.9060-MG3 / MB9060
PFTA< 0.008 µg/L0.008 µg/L2024-11-18Bldg. 680- Booster-3 / BS3
PFTrDA< 0.007 µg/L0.007 µg/L2024-11-18Bldg. 680- Booster-3 / BS3
PFUnA< 0.002 µg/L0.002 µg/L2025-03-24Bldg.9060-MG3 / MB9060
lithium< 9 µg/L9 µg/L2024-11-18Bldg 1620-Booster-2 / BS2

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0.00085 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0.001 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0012 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0 mg/L2013-01-01 – 2015-12-312026Q3
Lead (PB90) 0 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.0029 mg/L2010-01-01 – 2012-12-312026Q3
Lead (PB90) 0.0042 mg/L2007-01-01 – 2009-12-312026Q3

Published compliance history

1 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Total Coliform Rule / Maximum Contaminant Level Violation, Acute (TCR)2011-10-01 – 2011-10-31ArchivedYes2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

Lantz, Lt. Col. Jesse: 671-366-7101

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records