Public water system record
Northwest Harris County MUD 9
Serves an area of Harris County, TX · 7,848 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Northwest Harris County MUD 9 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
- 1
Key facts
- Northwest Harris County MUD 9 draws water from 2 wells.
- Record on file since 1992, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 1,315 service lines.
Check whether Northwest Harris County MUD 9 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 |
|---|---|---|
|
E. coli
Monitoring and reporting
|
Sep 22, 2011 | Resolved |
Full record since 1992
EPA's records for Northwest Harris County MUD 9 go back to 1992. 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 |
|---|---|---|
| 1990s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
Where the water comes from
Northwest Harris County MUD 9 draws water from 2 wells. It also has emergency connections to Mills Road MUD and Cypress Creek Utility District. 2 other public water systems have emergency connections to Northwest Harris County MUD 9.
Emergency or part-time connections to
- Mills Road MUD Houston, TX
- Cypress Creek Utility District Houston, TX
Annual water quality report
Northwest Harris County MUD 9 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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