Public water system record
West Jefferson County MWD
Serves an area of Jefferson County, TX that includes Fannett · 9,367 people served
Federal records show 5 health-based violations and 8 monitoring/reporting issues for West Jefferson County MWD in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 8
Key facts
- West Jefferson County MWD draws water from 1 surface water intake.
- Most recent enforcement action: boil water order by Texas, January 2025.
- Record on file since 1992, with 13 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 3,265 service lines.
Check whether West Jefferson County MWD 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2025 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2021 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Mar 3, 2025 | Resolved |
|
Public Notice
OTHER
|
Jan 24, 2025 | Resolved |
|
Public Notice
OTHER
|
Aug 1, 2023 | Resolved |
|
Public Notice
OTHER
|
Nov 19, 2022 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2022 | Resolved |
|
Chlorite
Monitoring and reporting
|
Sep 1, 2021 | Resolved |
|
Chlorite
Monitoring and reporting
|
Feb 1, 2021 | Resolved |
|
Chlorite
Monitoring and reporting
|
May 1, 2017 | Resolved |
Full record since 1992
EPA's records for West Jefferson County MWD go back to 1992. Before October 19, 2016 they list 13 health-based violations (12 resolved, 1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 1 |
| 2000s | 12 | 2 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 5 | 7 |
Most recent health-based violation before October 19, 2016: Total Coliform, began December 2008, Resolved.
Show all 13 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2007 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2006 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit)
|
Apr 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.091 mg/L, federal limit 0.06 mg/L (1.5 times the limit)
|
Jan 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.1 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
|
Jan 1, 2005 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.102 mg/L, federal limit 0.06 mg/L (1.7 times the limit)
|
Oct 1, 2004 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.098 mg/L, federal limit 0.06 mg/L (1.6 times the limit)
|
Jul 1, 2004 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.122 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
Jul 1, 2004 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2004 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2004 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Feb 1, 2004 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1993 | Archived |
Enforcement actions
Texas regulators issued 1 boil water order to West Jefferson County MWD in 2025. The most recent was a boil water order in January 2025.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jan 22, 2025 | Texas | Boil water order | 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule |
What the violations mean
Interim Enhanced Surface Water Treatment Rule
5 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
West Jefferson County MWD draws water from 1 surface water intake. 1 other community water system buys water from West Jefferson County MWD.
Community systems that buy water from it
- Belle Oaks Water Conroe, TX
Annual water quality report
West Jefferson County MWD 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