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Water utility · serves Houston · Texas

City of Houston

No open EPA violations as of 2026-09-16.

EPA record checked 2026-10-06

Contact and official links

Contact City of Houston

From EPA's record for TX1010013. PurityMap is independent of City of Houston.

Mailing address
PO BOX 1562
HOUSTON, TX 77251-1562
Directions ↗
Phone and website832-393-1000

Your water bill lists how to pay and how to start or stop service.

Annual water quality report2025 Consumer Confidence Report

Every community water system publishes one each year.

Read the report ↗
Where it delivers water

As listed in EPA's records. Your water bill names your supplier.

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Test results

No result on record is above a federal legal limit

34 results are on record. These 5 come first: results above a listed reference, then those closest to a legal limit.

All 34 results and evidence →
  • LithiumAbove the referenced health-based guidance value
    10 µg/L EPA health reference level · not a legal limit
    33.9µg/L
  • Water hardnessAbove a secondary/aesthetic reference
    Hard on the USGS scale · aesthetic, no federal limit
    7.9gpg
  • Haloacetic acids (HAA5)Below the listed reference
    60 ppb federal MCL
    40.8ppb
  • Total trihalomethanes (TTHM)Below the listed reference
    80 ppb federal MCL
    43.6ppb
  • Lead (90th percentile)Below the listed reference
    15 µg/L action level
    5µg/L
EPA violations and monitoring

1health-based violation in the last 10 years · none open as of 2026-09-16

From EPA SDWIS. Counted once per contaminant per year in the Track record subject score. A violation record is a compliance fact, not a health verdict.

Sources behind this page
  • UCMR5 Analytical Results: CITY OF HOUSTON (TX1010013)US EPA · published 2026-01-15
    View ↗
  • Lead & Copper Rule 90th-percentile: CITY OF HOUSTON (TX1010013)US EPA SDWIS · published 2026-07-09
    View ↗
  • City of Houston 2025 Consumer Confidence Report (CCR)City of Houston · published 2025-01-01
    View ↗
Commercial · test your own tap

The system record stops at your property line

Screening tells you if something is worth a closer look; a lab result is the number you can act on.

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  • Screening: quick check, not lab-grade

    Safe Home DIY Lead in Drinking Water Combo Test Kit

    Safe Home (EnviroTestKits)

    Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb

    Turnaround: 5 minutes

    What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.

Questions

About City of Houston

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How do I contact City of Houston?

Its phone number on EPA record is 832-393-1000 and its mailing address is PO BOX 1562, HOUSTON, TX 77251-1562. These details come from the system's EPA record.

How do I pay my City of Houston bill?

PurityMap has no verified website for City of Houston. Its mailing address on EPA record is PO BOX 1562, HOUSTON, TX 77251-1562. Your water bill lists the ways to pay. PurityMap does not take payments.

Which cities does City of Houston serve?

EPA's records list City of Houston as serving Houston, Texas. Your water bill names your supplier.

Has City of Houston tested for PFAS?

PurityMap's record for City of Houston holds results for 29 PFAS substances. 4 were detected, and none is above a federal legal limit. Each result links to its source in the city report.

Does City of Houston have any EPA violations?

No open EPA violations as of 2026-09-16: that is what EPA's record shows for City of Houston. The record comes from EPA's SDWIS compliance database.

Where does City of Houston get its water?

City of Houston is on EPA record as drawing from surface water.