An independent public resourceEnglish Español
PublicWater Watch

Harris County Wcid 36

Published drinking-water records and contacts for Harris County Wcid 36. System TX1010239. Review sources and dates; not a real-time water assessment.

System ID
TX1010239
State or territory
TX
Published population served
11073
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/L2025-01-08Brownwood Plant / EP003
4:2 FTS< 0.003 µg/L0.003 µg/L2025-01-08Brownwood Plant / EP003
6:2 FTS< 0.005 µg/L0.005 µg/L2025-01-08Brownwood Plant / EP003
8:2 FTS< 0.005 µg/L0.005 µg/L2025-01-08Brownwood Plant / EP003
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-01-08Marwood Plant / EP004
ADONA< 0.003 µg/L0.003 µg/L2025-01-08Brownwood Plant / EP003
HFPO-DA< 0.005 µg/L0.005 µg/L2025-01-08Hollywood Plant / EP002
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-01-08Brownwood Plant / EP003
NFDHA< 0.02 µg/L0.02 µg/L2025-01-08Brownwood Plant / EP003
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-01-08Hollywood Plant / EP002
PFBA< 0.005 µg/L0.005 µg/L2025-01-08Marwood Plant / EP004
PFBS< 0.003 µg/L0.003 µg/L2025-01-08Hollywood Plant / EP002
PFDA< 0.003 µg/L0.003 µg/L2025-01-08Hollywood Plant / EP002
PFDoA< 0.003 µg/L0.003 µg/L2025-01-08Marwood Plant / EP004
PFEESA< 0.003 µg/L0.003 µg/L2025-01-08Hollywood Plant / EP002
PFHpA< 0.003 µg/L0.003 µg/L2025-01-08Brownwood Plant / EP003
PFHpS< 0.003 µg/L0.003 µg/L2025-01-08Marwood Plant / EP004
PFHxA< 0.003 µg/L0.003 µg/L2025-01-08Hollywood Plant / EP002
PFHxS< 0.003 µg/L0.003 µg/L2025-01-08Marwood Plant / EP004
PFMBA< 0.003 µg/L0.003 µg/L2025-01-08Brownwood Plant / EP003
PFMPA< 0.004 µg/L0.004 µg/L2025-01-08Brownwood Plant / EP003
PFNA< 0.004 µg/L0.004 µg/L2025-01-08Marwood Plant / EP004
PFOA< 0.004 µg/L0.004 µg/L2025-01-08Brownwood Plant / EP003
PFOS< 0.004 µg/L0.004 µg/L2025-01-08Brownwood Plant / EP003
PFPeA< 0.003 µg/L0.003 µg/L2025-01-08Marwood Plant / EP004
PFPeS< 0.004 µg/L0.004 µg/L2025-01-08Marwood Plant / EP004
PFTA< 0.008 µg/L0.008 µg/L2025-01-08Brownwood Plant / EP003
PFTrDA< 0.007 µg/L0.007 µg/L2025-01-08Hollywood Plant / EP002
PFUnA< 0.002 µg/L0.002 µg/L2025-01-08Hollywood Plant / EP002
lithium13.3 µg/L9 µg/L2025-01-08Marwood Plant / EP004

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) 0.001 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0.0009 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.0018 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.0023 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.00244 mg/L2011-01-01 – 2013-12-312026Q3
Lead (PB90) 0.00343 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.0057 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.0074 mg/L1999-01-01 – 2001-12-312026Q3

Published compliance history

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

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)

Holder, Ronald, S: 713-453-5493

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