HOUSTON, TX · Harris County

HARRIS COUNTY MUD 189 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): TX1011809
System type: Community Water System
Population served: 6,906
Service connections: 2,302
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2019 – December 31, 2021
Archived
Monitoring, Regular
—
Endrin
January 1, 2019 – December 31, 2021
Archived
Monitoring, Regular
—
Methoxychlor
January 1, 2019 – December 31, 2021
Archived
Monitoring, Regular
—
Toxaphene
January 1, 2019 – December 31, 2021
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2019 – December 31, 2021
Archived
Monitoring, Regular
—
Atrazine
January 1, 2019 – December 31, 2021
Archived
Monitoring, Regular
—
Heptachlor
January 1, 2019 – December 31, 2021
Archived
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2019 – December 31, 2021
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
February 13, 2015 – December 29, 2015
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 26, 2014 – September 24, 2014
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2013 – October 2, 2015
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 5, 1984 – April 4, 1985
Archived
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 5, 1984 – April 4, 1985
Archived

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
January 1, 2019 – December 31, 2021	Monitoring, Regular	Benzo(a)pyrene	—	Archived
January 1, 2019 – December 31, 2021	Monitoring, Regular	Endrin	—	Archived
January 1, 2019 – December 31, 2021	Monitoring, Regular	Methoxychlor	—	Archived
January 1, 2019 – December 31, 2021	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2019 – December 31, 2021	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
January 1, 2019 – December 31, 2021	Monitoring, Regular	Atrazine	—	Archived
January 1, 2019 – December 31, 2021	Monitoring, Regular	Heptachlor	—	Archived
January 1, 2019 – December 31, 2021	Monitoring, Regular	Heptachlor epoxide	—	Archived
February 13, 2015 – December 29, 2015	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 26, 2014 – September 24, 2014	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2013 – October 2, 2015	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
April 5, 1984 – April 4, 1985	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
April 5, 1984 – April 4, 1985	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

October 3, 2016State Compliance achieved4 linked violations
November 18, 2015State Public Notification requested9 linked violations
April 10, 2015State Compliance achieved9 linked violations
June 10, 2013State Compliance achieved13 linked violations
August 26, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 26, 2009State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 27, 2008State Public Notification received1 linked violation
August 7, 2008State Public Notification requested1 linked violation
August 7, 2008State Violation/Reminder Notice1 linked violation
February 1, 1983State Public Notification received1 linked violation
December 1, 1982State Public Notification receivedgeneral compliance action — not tied to a specific violation on record

Contact

CONE, DERWOOD

713-651-5151

HOUSTON, TX 77010-3095