BARKER, TX · Frio County
DERBY ING Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
- TX0820016
- System type
- Community Water System
- Population served
- 174
- Service connections
- 58
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
July 1, 2025 – July 31, 2025
ArchivedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2025 – June 30, 2025
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—Tetrachloroethylene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2024 – December 31, 2024
ArchivedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2022 – August 31, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2021 – August 31, 2021
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2021 – December 31, 2021
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2021 – March 31, 2021
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2020 – December 31, 2020
ResolvedMonitoring, Regular
—Benzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—Ethylbenzene
January 1, 2019 – December 31, 2019
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2018 – December 31, 2018
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2017 – November 30, 2017
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
August 31, 2017 – September 20, 2018
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2017 – December 31, 2019
ResolvedMonitoring and Reporting (DBP)
—Chlorine
July 1, 2016 – September 30, 2016
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
September 1, 2014 – September 30, 2014
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008 – July 1, 2010
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2008 – June 30, 2008
ResolvedMonitoring, Regular
—Mercury
January 1, 2008 – December 31, 2010
ResolvedMonitoring, Regular
—Fluoride
January 1, 2008 – December 31, 2010
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
January 1, 2007 – July 1, 2010
ResolvedMonitoring, Regular
—Fluoride
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Thallium, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Mercury
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Cadmium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Barium
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Arsenic
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Nitrate
January 1, 2005 – December 31, 2007
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Chlordane
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloropropane
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,2-Trichloroethane
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—CHLOROBENZENE
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Benzene
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Toluene
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—1,2-Dichloroethane
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—trans-1,2-Dichloroethylene
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—1,1-Dichloroethylene
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Vinyl chloride
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—o-Dichlorobenzene
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—DICHLOROMETHANE
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—Xylenes, Total
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—cis-1,2-Dichloroethylene
January 1, 2002 – December 31, 2007
ResolvedMonitoring, Regular
—1,1,1-Trichloroethane
January 1, 2002 – December 31, 2007
Resolved
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – July 31, 2025 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Archived |
| April 1, 2025 – June 30, 2025 | Monitoring and Reporting (DBP) | Chlorine | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | 1,1-Dichloroethylene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | Tetrachloroethylene | — | Archived |
| January 1, 2024 – December 31, 2024 | Monitoring, Regular | o-Dichlorobenzene | — | Archived |
| August 1, 2022 – August 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| August 1, 2021 – August 31, 2021 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2021 – March 31, 2021 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2020 – December 31, 2020 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2019 – December 31, 2019 | Monitoring, Regular | Ethylbenzene | — | Resolved |
| January 1, 2018 – December 31, 2018 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
| November 1, 2017 – November 30, 2017 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| August 31, 2017 – September 20, 2018 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2017 – December 31, 2019 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| July 1, 2016 – September 30, 2016 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| September 1, 2014 – September 30, 2014 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2008 – July 1, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2008 – June 30, 2008 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2008 – December 31, 2010 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2007 – July 1, 2010 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Thallium, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Cadmium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 2005 – December 31, 2007 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloropropane | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | 1,1,2-Trichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | CHLOROBENZENE | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Benzene | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Toluene | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | 1,2-Dichloroethane | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | trans-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | 1,1-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Vinyl chloride | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | o-Dichlorobenzene | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | DICHLOROMETHANE | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | Xylenes, Total | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | cis-1,2-Dichloroethylene | — | Resolved |
| January 1, 2002 – December 31, 2007 | Monitoring, Regular | 1,1,1-Trichloroethane | — | Resolved |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- October 22, 2025State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- October 1, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 12, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 23, 2025State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- March 31, 2025State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 26, 2024State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- October 30, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- July 25, 2023State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- September 29, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- April 4, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- March 24, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 8, 2021State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- July 8, 2021State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- June 4, 2021State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- November 18, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- May 15, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 16, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 16, 2020State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- April 16, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- April 16, 2020State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- May 30, 2019State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- May 30, 2019State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 10, 2019State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 2, 2018State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- September 20, 2018State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- September 20, 2018State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- June 1, 2017State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- February 2, 2017State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- October 17, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- September 14, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- March 11, 2016State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- December 11, 2015State Compliance achieved55 linked violations
- December 11, 2015State Compliance achieved83 linked violations
- June 14, 2013State Violation/Reminder Notice287 linked violations
- April 1, 2013State Public Notification requested216 linked violations
- November 27, 2012State Public Notification requested188 linked violations
- June 14, 2012State Administrative/Compliance Order with penalty issued171 linked violations
- October 1, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 21, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 10, 2009State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- April 24, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- March 27, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- January 28, 2009State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
Contact
MARTIN, CHRISTOPHER, W
281-606-5461
BARKER, TX 77413-0317