BAY ST LOUIS, MS · Hancock County
CITY OF BAY ST LOUIS 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 Mississippi’s official records. Always confirm current status with Mississippi before making decisions based on this information.
System facts
- System ID (PWSID)
- MS0230001
- System type
- Community Water System
- Population served
- 9,284
- Service connections
- 3,847
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2024 – December 31, 2024
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2022 – December 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2018 – December 31, 2018
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Radium-228
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Radium-226
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2012 – December 31, 2012
ResolvedMonitoring, Regular
—Radium-226
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Radium-228
July 1, 2012 – September 30, 2012
ResolvedMonitoring, Regular
—Radium-226
April 1, 2012 – June 30, 2012
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2012 – June 30, 2012
ResolvedMonitoring, Regular
—Radium-226
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2012 – March 31, 2012
ResolvedMonitoring, Regular
—Radium-228
October 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2011 – December 31, 2011
ResolvedMonitoring, Regular
—Combined Uranium
April 1, 2011 – June 30, 2011
ResolvedMonitoring, Regular
—Radium-228
January 1, 2011 – March 31, 2011
ResolvedMonitoring, Regular
—Combined Uranium
July 1, 2010 – September 30, 2010
ResolvedMonitoring, Regular
—Radium-226
July 1, 2010 – September 30, 2010
ResolvedMonitoring, Regular
—Combined Uranium
October 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Radium-228
October 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Radium-228
October 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Radium-226
October 1, 2009 – December 31, 2009
ResolvedMonitoring, Regular
—Radium-226
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—Radium-228
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—Radium-228
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Regular
—Radium-226
January 1, 2009 – March 31, 2009
ResolvedMonitoring, Regular
—Radium-228
January 1, 2009 – March 31, 2009
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2009 – March 31, 2009
ResolvedMonitoring, Regular
—Combined Uranium
January 1, 2009 – March 31, 2009
ResolvedMonitoring, Regular
—Radium-226
October 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Radium-226
October 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Radium-228
October 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Radium-226
October 1, 2008 – December 31, 2008
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
July 1, 2008 – September 30, 2008
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2008 – June 30, 2008
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 2007 – December 31, 2007
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
July 1, 2007 – September 30, 2007
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2024 – December 31, 2024 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2022 – December 31, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| October 1, 2018 – December 31, 2018 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2012 – December 31, 2012 | Monitoring, Regular | Combined Uranium | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Radium-226 | — | Resolved |
| July 1, 2012 – September 30, 2012 | Monitoring, Regular | Radium-228 | — | Resolved |
| April 1, 2012 – June 30, 2012 | Monitoring, Regular | Radium-226 | — | Resolved |
| April 1, 2012 – June 30, 2012 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2012 – March 31, 2012 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2011 – December 31, 2011 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2011 – December 31, 2011 | Monitoring, Regular | Combined Uranium | — | Resolved |
| April 1, 2011 – June 30, 2011 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2011 – March 31, 2011 | Monitoring, Regular | Radium-228 | — | Resolved |
| July 1, 2010 – September 30, 2010 | Monitoring, Regular | Combined Uranium | — | Resolved |
| July 1, 2010 – September 30, 2010 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2009 – December 31, 2009 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2009 – December 31, 2009 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2009 – December 31, 2009 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2009 – December 31, 2009 | Monitoring, Regular | Radium-226 | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring, Regular | Radium-226 | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring, Regular | Radium-228 | — | Resolved |
| April 1, 2009 – June 30, 2009 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring, Regular | Radium-226 | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring, Regular | Radium-228 | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring, Regular | Combined Uranium | — | Resolved |
| January 1, 2009 – March 31, 2009 | Monitoring, Regular | Combined Uranium | — | Resolved |
| October 1, 2008 – December 31, 2008 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2008 – December 31, 2008 | Monitoring, Regular | Radium-226 | — | Resolved |
| October 1, 2008 – December 31, 2008 | Monitoring, Regular | Radium-228 | — | Resolved |
| October 1, 2008 – December 31, 2008 | Monitoring, Regular | Radium-226 | — | Resolved |
| July 1, 2008 – September 30, 2008 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Resolved |
| April 1, 2008 – June 30, 2008 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| October 1, 2007 – December 31, 2007 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| July 1, 2007 – September 30, 2007 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- May 15, 2012State Compliance achieved1 linked violation
- May 15, 2012State Public Notification received90 linked violations
- March 20, 2012State Formal Notice of Violation issued90 linked violations
- March 20, 2012State Public Notification requested90 linked violations
- December 1, 2010State Compliance achieved3 linked violations
- December 1, 2010State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- March 3, 2010State Compliance achieved6 linked violations
- February 23, 2010State Compliance achieved3 linked violations
- September 30, 2009State Compliance achieved43 linked violations
- January 21, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- September 14, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- June 7, 1984State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 11, 1983State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
Contact
FAVRE, MIKE
228-467-5505
BAY ST LOUIS, MS 39520