Public water system record
Clear Lake City Water Authority
Serves Houston, Pasadena and Webster, Harris County, TX · 89,702 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for Clear Lake City Water Authority in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Clear Lake City Water Authority draws water from 6 wells.
- Record on file since 2015, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 59 unknown out of 17,797 service lines.
Check whether Clear Lake City Water Authority serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2015 | Resolved |
Full record since 2015
EPA's records for Clear Lake City Water Authority go back to 2015. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 0 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
Where the water comes from
Clear Lake City Water Authority draws water from 6 wells. It also buys water from City of Houston and City of Pasadena. It also has emergency connections to City of Nassau Bay and Lyndon B Johnson Space Center. 4 other community water systems and 1 smaller public system such as schools, businesses or campgrounds buy water from Clear Lake City Water Authority. 1 other public water system has an emergency connection to Clear Lake City Water Authority.
Buys water from
- City of Houston Houston, TX
- City of Pasadena Pasadena, TX
Emergency or part-time connections to
- City of Nassau Bay Nassau Bay, TX
- Lyndon B Johnson Space Center Houston, TX
Community systems that buy water from it
- City of Nassau Bay Nassau Bay, TX
- City of Pasadena El Cary Estates Pasadena, TX
- Harris County WCID 156 Houston, TX
- Harris County WCID 161 Houston, TX
Annual water quality report
Clear Lake City Water Authority must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Texas.
Certified drinking water labs by state EPA guidance for private wells