An independent public resourceEnglish Español

Lyndon B Johnson Space Center

Published drinking-water records and contacts for Lyndon B Johnson Space Center. System TX1010250. Review sources and dates; not a real-time water assessment.

System ID
TX1010250
State or territory
TX
Published population served
8530
System type (source code)
NTNCWS

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/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
4:2 FTS< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
6:2 FTS< 0.005 µg/L0.005 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
8:2 FTS< 0.005 µg/L0.005 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
ADONA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
HFPO-DA< 0.005 µg/L0.005 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
NEtFOSAA< 0.005 µg/L0.005 µg/L2026-01-06NASA JOHNSON SPACE CENTER / EP001
NFDHA< 0.02 µg/L0.02 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
NMeFOSAA< 0.006 µg/L0.006 µg/L2026-01-06NASA JOHNSON SPACE CENTER / EP001
PFBA0.0059 µg/L0.005 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFBS< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFDA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFDoA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFEESA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFHpA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFHpS< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFHxA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFHxS< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFMBA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFMPA< 0.004 µg/L0.004 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFNA< 0.004 µg/L0.004 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFOA< 0.004 µg/L0.004 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFOS< 0.004 µg/L0.004 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFPeA< 0.003 µg/L0.003 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFPeS< 0.004 µg/L0.004 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
PFTA< 0.008 µg/L0.008 µg/L2026-01-06NASA JOHNSON SPACE CENTER / EP001
PFTrDA< 0.007 µg/L0.007 µg/L2026-01-06NASA JOHNSON SPACE CENTER / EP001
PFUnA< 0.002 µg/L0.002 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001
lithium< 9 µg/L9 µg/L2025-10-20NASA JOHNSON SPACE CENTER / EP001

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) 0.0137 mg/L2026-01-01 – 2026-12-312026Q3
Lead (PB90) 0.0126 mg/L2025-01-01 – 2025-12-312026Q3
Lead (PB90) 0.0109 mg/L2024-01-01 – 2024-12-312026Q3
Lead (PB90) 0.0107 mg/L2023-01-01 – 2023-12-312026Q3
Lead (PB90) 0.0109 mg/L2022-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0121 mg/L2021-01-01 – 2021-12-312026Q3
Lead (PB90) 0.009 mg/L2020-01-01 – 2020-12-312026Q3
Lead (PB90) 0.0091 mg/L2019-01-01 – 2019-12-312026Q3

Published compliance history

2 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
Lead and Copper Rule / Lead Consumer Notice2024-12-30 – —ResolvedNo2026Q3
Lead and Copper Rule / Lead Consumer Notice2016-12-30 – —ResolvedNo2026Q3

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)

Schwartz, Mary Beth: 832-415-7274

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