Water Around

PUBLIC WATER SYSTEM

Houston Water

Water testing, compliance records and water sources for this system. Check your utility bill to confirm your provider.

TX1010013Open in the atlas →

Public drinking-water record

Drinking-water testing

Houston Water · TX1010013. These are public water-system records, not a test of the tap water at your home.

PFAS testing

46 PFAS sample results had reported detections. Most recent PFAS sample shown here: .

PFOA

Not detected above reporting limit

Sample date
Reporting limit
0.004 µg/L
Sample ID
2502H96-001A

PFOS

Not detected above reporting limit

Sample date
Reporting limit
0.004 µg/L
Sample ID
2502H96-001A

PFHxA

0.0037 µg/L

Sample date
Reporting limit
0.003 µg/L
Sample ID
23111408.05

Selected latest compound samples from the published federal system record. Multiple sample points may share a date. A detection does not establish a violation. A non-detection does not mean PFAS-free. PFOA and PFOS limits and regulatory context are separate from these historical samples.

Lead and copper

Lead: 0.005 mg/L, period ending 2024-06-30. These are system 90th-percentile results, not individual household concentrations.

EPA UCMR5 source and sampling program · EPA ECHO compliance and lead/copper records

Measurement coverage

No measurements available here

We do not have measurements to show for Houston Water in this section. Explore the connections below for related waters and water providers.

No measurement history available here

We do not have historical measurements to show for Houston Water. This does not mean it is unmonitored or that its water is safe or unsafe. You can still explore the information and source links on this page.

We do not have the full history of federal test results for this system yet.

Any available samples are shown above. Missing history does not tell us whether the water meets drinking-water standards.

Water sources

Where the water comes from

Houston Water receives water from Lake Houston, Lake Livingston, Chicot Aquifer, Evangeline Aquifer, and Lake Conroe, according to the source records.

The links show sources and suppliers, not the amount being delivered today. Select one for its source record.

Sources traced upstreamSource coverage does not measure water quality or reliability.

Your water system

Where it gets water

Sources and relationships as a list

Documented current sources or suppliers for Houston Water include Lake Houston, Lake Livingston, Chicot Aquifer, Evangeline Aquifer and Lake Conroe. A relationship does not by itself establish the current delivered amount.

  1. Houston Water draws from Lake Houston. Current. The relationship is documented; a current delivered amount is not available.
  2. Houston Water draws from Lake Livingston. Current. The relationship is documented; a current delivered amount is not available.
  3. Houston Water uses groundwater from Chicot Aquifer. Current. The relationship is documented; a current delivered amount is not available.
  4. Houston Water uses groundwater from Evangeline Aquifer. Current. The relationship is documented; a current delivered amount is not available.
  5. Houston Water draws from Lake Conroe. Current. The relationship is documented; a current delivered amount is not available.
Water source types explained

Surface waterWater drawn from rivers, lakes, or reservoirs.

GroundwaterWater pumped from aquifers—bodies of rock or sediment that store and transmit groundwater, not underground lakes.

Wholesale waterA regional supplier can supply your local provider without serving your household directly.

Imported waterYour drinking-water source basin can differ from the watershed where you live.

Connected water system

Lake HoustonreservoirExplore →Lake LivingstonreservoirExplore →
Chicot Aquifer · Detail page unavailable
Evangeline Aquifer · Detail page unavailable
Lake ConroereservoirExplore →