MANDEVILLE, LA · St. Tammany Parish County
MANDEVILLE 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)
- LA1103023
- System type
- Community Water System
- Population served
- 13,000
- Service connections
- 4,800
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Monitoring and Reporting (DBP)
—TTHM
January 1, 2009 – March 31, 2009
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2009 – March 31, 2009
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2007 – March 31, 2007
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 |
|---|---|---|---|---|
| January 1, 2009 – March 31, 2009 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| March 1, 2007 – March 31, 2007 | 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
- May 11, 2015State Public Notification received2 linked violations
- April 6, 2015State Public Notification requested1 linked violation
- May 13, 2010State Violation/Reminder Notice2 linked violations
- July 13, 2009State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- May 10, 2007State Public Notification received1 linked violation
- March 19, 2007State Violation/Reminder Notice3 linked violations
- June 30, 2004State Public Notification received2 linked violations
Contact
MADDEN, CLAY
985-626-1082
MANDEVILLE, LA 70448