Public water system record
Harris County MUD 157
Serves an area of Harris County, TX · 13,062 people served
Federal records show no health-based violations and no monitoring or reporting issues for Harris County MUD 157 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
- 0
Key facts
- Harris County MUD 157 draws water from 4 wells (1 of them for emergency, seasonal or other part-time use).
- Record on file since 2015, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 4,127 service lines.
Check whether Harris County MUD 157 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, and no monitoring or reporting violations either.
Full record since 2015
EPA's records for Harris County MUD 157 go back to 2015. Before October 19, 2016 they list 2 health-based violations (2 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2010 to October 18, 2016 | 2 | 0 |
Most recent health-based violation before October 19, 2016: Arsenic, began July 2015, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Arsenic
Contaminant limit exceeded
Measured 0.011 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Jul 1, 2015 | Resolved |
|
Arsenic
Contaminant limit exceeded
Measured 0.0109 mg/L, federal limit 0.01 mg/L (1.1 times the limit)
|
Apr 1, 2015 | Resolved |
Where the water comes from
Harris County MUD 157 draws water from 4 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from West Harris County Regional Water Author. It also has emergency connections to Harris County MUD 165, Harris County MUD 239 and Harris County MUD 105. 2 other public water systems have emergency connections to Harris County MUD 157.
Buys water from
- West Harris County Regional Water Author Houston, TX
Emergency or part-time connections to
- Harris County MUD 165 Houston, TX
- Harris County MUD 239 Houston, TX
- Harris County MUD 105 Houston, TX
Annual water quality report
Harris County MUD 157 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