Public water system record
Mar Lynn Subdivision
Serves an area of Parker County, TX · 48 people served
Federal records show 2 health-based violations and 15 monitoring/reporting issues for Mar Lynn Subdivision in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 15
Key facts
- Mar Lynn Subdivision draws water from 1 well.
- Most recent formal enforcement: compliance order with a penalty by Texas, September 2014.
- Record on file since 1991, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 16 unknown out of 16 service lines.
Check whether Mar Lynn Subdivision 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Resolved | No |
|
Lead and Copper Rule
Treatment technique failure
|
350 | Apr 1, 2013 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
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.
|
|
Public Notice
OTHER
|
May 1, 2025 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2024 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2024 | Resolved |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2019 | Resolved |
|
Chlorine
Monitoring and reporting
|
Jul 1, 2017 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Sep 29, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2014 | Resolved |
|
Public Notice
OTHER
|
Feb 13, 2014 | Resolved |
|
Public Notice
OTHER
|
Feb 13, 2014 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2014 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2013 | Resolved |
Full record since 1991
EPA's records for Mar Lynn Subdivision go back to 1991. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 33 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 13 |
| 2000s | 1 | 6 |
| 2010 to October 18, 2016 | 4 | 14 |
| October 19, 2016 to 2019 | 0 | 2 |
| 2020s | 1 | 6 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began March 2014, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Mar 1, 2014 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Sep 1, 2013 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Apr 1, 2013 | Resolved |
|
Lead and Copper Rule
Treatment technique failure
|
Dec 1, 2012 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2007 | Resolved |
Enforcement actions
Texas regulators took 1 formal enforcement action against Mar Lynn Subdivision in 2014. The most recent was a compliance order with a penalty in September 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 22, 2014 | Texas | Compliance order with a penalty | 9 violations (3 health-based): Lead and Copper Rule, Public Notice |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Lead and Copper Rule
1 incidentThe system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Mar Lynn Subdivision draws water from 1 well. It also has an emergency connection to New Progress Water Spring Valley.
Emergency or part-time connections to
- New Progress Water Spring Valley Houston, TX
Annual water quality report
Mar Lynn Subdivision 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Mar Lynn Subdivision for a copy.
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