SLIDELL, LA · St. Tammany Parish County

SLIDELL WATER SUPPLY 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 Louisiana’s official records. Always confirm current status with Louisiana before making decisions based on this information.

System facts

System ID (PWSID): LA1103041
System type: Community Water System
Population served: 35,547
Service connections: 11,849
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, E. coli (RTCR)
Health-based
Revised Total Coliform Rule
September 1, 2022 – September 12, 2022
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
September 1, 2015 – November 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
September 1, 2015 – November 30, 2015
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
June 1, 2015 – August 31, 2015
Resolved
Monitoring and Reporting (DBP)
—
TTHM
June 1, 2015 – August 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2015 – June 30, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2015 – May 31, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
April 1, 2011 – April 30, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2009 – August 31, 2009
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2008 – August 31, 2008
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2005 – July 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1998 – August 31, 1998
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1998 – July 31, 1998
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 1996 – August 31, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1996 – May 31, 1996
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1992 – June 30, 1992
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
September 1, 2022 – September 12, 2022	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Health-based	Resolved
September 1, 2015 – November 30, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
September 1, 2015 – November 30, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
June 1, 2015 – August 31, 2015	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
June 1, 2015 – August 31, 2015	Monitoring and Reporting (DBP)	TTHM	—	Resolved
June 1, 2015 – June 30, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2015 – May 31, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 2011 – April 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2009 – August 31, 2009	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 2008 – August 31, 2008	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2005 – July 31, 2005	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1998 – August 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1998 – July 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
August 1, 1996 – August 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
May 1, 1996 – May 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
June 1, 1992 – June 30, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

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

Enforcement actions

September 14, 2022State Public Notification received1 linked violation
September 12, 2022State Compliance achieved1 linked violation
September 12, 2022State Public Notification requested1 linked violation
September 12, 2022State Violation/Reminder Notice1 linked violation
June 20, 2018State Compliance achieved7 linked violations
June 18, 2018State Compliance achieved12 linked violations
June 2, 2017State Site Visit for enforcement purposes5 linked violations
March 8, 2016State Public Notification received2 linked violations
February 22, 2016State Violation/Reminder Notice2 linked violations
February 22, 2016State Public Notification requested2 linked violations
December 18, 2015State Public Notification received2 linked violations
November 25, 2015State Violation/Reminder Notice2 linked violations
November 25, 2015State Public Notification requested2 linked violations
August 3, 2015State Compliance achieved2 linked violations
July 8, 2015State Public Notification received1 linked violation
July 8, 2015State Public Notification received1 linked violation
June 19, 2015State Public Notification requested1 linked violation
June 19, 2015State Violation/Reminder Notice1 linked violation
May 29, 2015State Public Notification requested1 linked violation
May 29, 2015State Violation/Reminder Notice1 linked violation
December 20, 2013State Administrative/Compliance Order without penalty issued7 linked violations
June 8, 2011State Public Notification received1 linked violation
May 9, 2011State Public Notification requested1 linked violation
May 9, 2011State Violation/Reminder Notice1 linked violation
October 19, 2009State Public Notification received1 linked violation
September 16, 2009State Public Notification requested1 linked violation
September 16, 2009State Violation/Reminder Notice1 linked violation
October 28, 2008State Public Notification received1 linked violation
September 23, 2008State Public Notification requested1 linked violation
September 23, 2008State Violation/Reminder Notice1 linked violation
September 23, 2008State Violation/Reminder Notice1 linked violation
August 14, 2008State Public Notification received1 linked violation
July 31, 2008State Violation/Reminder Notice1 linked violation
July 31, 2008State Public Notification requested1 linked violation
August 23, 2005State Public Notification requested1 linked violation
March 4, 2004Federal Public Notification requested3 linked violations

Contact

BORCHERT, BILL

985-646-4333

SLIDELL, LA 70459