Public water system record
Northwest Harris County MUD 12
Serves an area of Harris County, TX · 7,839 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Northwest Harris County MUD 12 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 12 draws water from 2 wells.
- Record on file since 2004, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 2,589 service lines.
Check whether Northwest Harris County MUD 12 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 |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 2004
EPA's records for Northwest Harris County MUD 12 go back to 2004. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 3 |
| 2020s | 0 | 1 |
Where the water comes from
Northwest Harris County MUD 12 draws water from 2 wells. It also has an emergency connection to Harris County MUD 167. 1 other public water system has an emergency connection to Northwest Harris County MUD 12.
Emergency or part-time connections to
- Harris County MUD 167 Houston, TX
Annual water quality report
Northwest Harris County MUD 12 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