Public water system record
Harris County MUD 478 Water Plant 1
On record as serving Harris County, TX · Population served not reported
Federal records show no health-based violations and 1 monitoring/reporting issue for Harris County MUD 478 Water Plant 1 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
- Harris County MUD 478 Water Plant 1 draws water from 2 wells.
Check whether Harris County MUD 478 Water Plant 1 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 |
|---|---|---|
|
Chlorine
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Where the water comes from
Harris County MUD 478 Water Plant 1 draws water from 2 wells. 1 other community water system buys water from Harris County MUD 478 Water Plant 1.
Community systems that buy water from it
- Harris County MUD 477 Houston, TX
Annual water quality report
Harris County MUD 478 Water Plant 1 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.
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