SHAMROCK, TX · Wheeler County
SHAMROCK MUNICIPAL WATER SYSTEM Water System
Consumer Confidence Report status
SHAMROCK MUNICIPAL WATER SYSTEM must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for SHAMROCK MUNICIPAL WATER SYSTEM.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Texas’s official records. Always confirm current status with Texas before making decisions based on this information.
System facts
- System ID (PWSID)
- TX2420001
- System type
- Community Water System
- Population served
- 2,311
- Service connections
- 1,267
- Ownership
- local government
- Water source
- groundwater (wells)
SHAMROCK MUNICIPAL WATER SYSTEM is one of 1,859 community water systems in Texas in the 501 to 3,300 people size category, serving 2,311 people from groundwater.
As of August 1, 2026, its federal record holds 19 entries between 2004 and 2025, all of which EPA lists as closed.
Of the 19, 15 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 1 Disinfectants and Disinfection Byproducts Rule, the Total Coliform Rules, and the Public Notice Rule and Revised PN Rule.
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
March 1, 2025 – March 31, 2025
ResolvedMaximum Contaminant Level Violation, Single Sample
Health-basedNitrate
October 1, 2015 – December 31, 2015
ResolvedPublic Notification Violation without NPDWR Violation
—Public Notice
February 12, 2012 – March 20, 2012
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2009 – November 30, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2009 – October 31, 2009
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
March 12, 2009 – August 1, 2010
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2007 – March 31, 2007
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2006 – December 31, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2006 – September 30, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2006 – June 30, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2006 – March 31, 2006
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2005 – December 31, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2005 – September 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2005 – June 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2005 – March 31, 2005
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2004 – December 31, 2004
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2004 – September 30, 2004
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2004 – June 30, 2004
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2004 – March 31, 2004
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 2025 – March 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2015 – December 31, 2015 | Maximum Contaminant Level Violation, Single Sample | Nitrate | Health-based | Resolved |
| February 12, 2012 – March 20, 2012 | Public Notification Violation without NPDWR Violation | Public Notice | — | Resolved |
| November 1, 2009 – November 30, 2009 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2009 – October 31, 2009 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| March 12, 2009 – August 1, 2010 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2007 – March 31, 2007 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2006 – December 31, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2006 – September 30, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2006 – June 30, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2006 – March 31, 2006 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2005 – December 31, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2005 – September 30, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2005 – June 30, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2005 – March 31, 2005 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2004 – December 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2004 – September 30, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2004 – March 31, 2004 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 26, 2022State Public Notification requested9 linked violations
- June 9, 2016State Compliance achieved7 linked violations
- December 17, 2015State Public Notification requested2 linked violations
- March 19, 2015State Compliance achieved2 linked violations
- February 2, 2015State Public Notification received1 linked violation
- February 2, 2015State Public Notification received3 linked violations
- January 14, 2015State Violation/Reminder Notice3 linked violations
- November 10, 2014State Violation/Reminder Notice3 linked violations
- October 23, 2014State Violation/Reminder Notice2 linked violations
- August 11, 2014State Violation/Reminder Notice2 linked violations
- August 11, 2014State Public Notification requested2 linked violations
- June 30, 2014State Compliance achieved3 linked violations
- January 21, 2011State Compliance achieved1 linked violation
- September 22, 2009State Public Notification received3 linked violations
- February 23, 2009State Public Notification requested2 linked violations
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Violation/Reminder Notice1 linked violation
- July 19, 2007State Public Notification requested1 linked violation
- June 1, 1987State Injunctiongeneral compliance action — not tied to a specific violation on record
- May 1, 1987State Injunctiongeneral compliance action — not tied to a specific violation on record
- August 1, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- February 1, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
Common questions
Is SHAMROCK MUNICIPAL WATER SYSTEM required to publish a Consumer Confidence Report?
- Yes. SHAMROCK MUNICIPAL WATER SYSTEM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is SHAMROCK MUNICIPAL WATER SYSTEM’s next Consumer Confidence Report due?
- SHAMROCK MUNICIPAL WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SHAMROCK MUNICIPAL WATER SYSTEM have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for SHAMROCK MUNICIPAL WATER SYSTEM.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
RAMSEY, LYNN
806-256-3281
SHAMROCK, TX 79079-2229