MONTICELLO, MS · Lawrence County

SONTAG-WANILLA 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): MS0390006
System type: Community Water System
Population served: 1,484
Service connections: 557
Ownership: public/private mix
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
January 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2023 – December 31, 2023
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2012 – September 30, 2012
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2012 – March 31, 2012
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2011 – December 31, 2011
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2011 – September 30, 2011
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2011 – June 30, 2011
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2011 – March 31, 2011
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Radium-228
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2010 – June 30, 2010
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2010 – March 31, 2010
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Radium-228
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Radium-226
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2009 – September 30, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Radium-226
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Radium-226
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Radium-228
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Radium-226
October 1, 2008 – December 31, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2008 – December 31, 2008
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 1, 2008 – June 28, 2012
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2008 – September 30, 2008
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2008 – June 30, 2008
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2008 – March 31, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2008 – March 31, 2008
Resolved
Monitoring, Regular
—
Combined Uranium
October 1, 2007 – December 31, 2007
Resolved
Monitoring, Regular
—
Combined Uranium
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
July 1, 2007 – September 30, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2007 – June 30, 2007
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2007 – June 30, 2007
Resolved
Monitoring, Regular
—
Combined Uranium
January 1, 2007 – March 31, 2007
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – July 5, 2006
Resolved
Notification, Public
—
No contaminant on record
July 1, 1981 – July 31, 1981
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, 2024 – December 31, 2024	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2023 – December 31, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	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	Radium-226	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2012 – December 31, 2012	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2012 – September 30, 2012	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2012 – March 31, 2012	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2011 – December 31, 2011	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2011 – December 31, 2011	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
July 1, 2011 – September 30, 2011	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2011 – September 30, 2011	Monitoring, Regular	Radium-228	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Radium-228	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Radium-228	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2011 – June 30, 2011	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2011 – March 31, 2011	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2010 – December 31, 2010	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Regular	Radium-228	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Regular	Radium-228	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Regular	Radium-226	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2010 – March 31, 2010	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring, Regular	Radium-228	—	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	Combined Uranium	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Radium-228	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Radium-226	—	Resolved
July 1, 2009 – September 30, 2009	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring, Regular	Radium-226	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring, Regular	Combined Uranium	—	Resolved
January 1, 2009 – March 31, 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
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	Combined Uranium	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Radium-228	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Radium-226	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2008 – June 28, 2012	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2008 – September 30, 2008	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Combined Uranium	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2008 – March 31, 2008	Monitoring, Regular	Combined Uranium	—	Resolved
October 1, 2007 – December 31, 2007	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2007 – September 30, 2007	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2007 – June 30, 2007	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 2007 – March 31, 2007	Monitoring, Regular	Combined Uranium	—	Resolved
July 1, 2006 – July 5, 2006	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 1981 – July 31, 1981	Notification, Public	—	—	Archived

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

Enforcement actions

June 28, 2012State Compliance achieved2 linked violations
June 28, 2012State Public Notification received118 linked violations
March 20, 2012State Public Notification requested117 linked violations
March 20, 2012State Formal Notice of Violation issued120 linked violations
June 29, 2009State Public Notification received7 linked violations
June 29, 2009State Public Notification received7 linked violations
June 29, 2009State Public Notification received7 linked violations
June 29, 2009State Public Notification received9 linked violations
June 29, 2009State Public Notification received6 linked violations
June 29, 2009State Public Notification received6 linked violations
June 29, 2009State Public Notification received6 linked violations
June 29, 2009State Public Notification received6 linked violations
June 29, 2009State Public Notification received6 linked violations
November 17, 2008State Public Notification requested3 linked violations
November 17, 2008State Public Notification requested4 linked violations
November 17, 2008State Public Notification requested5 linked violations
November 17, 2008State Formal Notice of Violation issued7 linked violations
November 17, 2008State Formal Notice of Violation issued4 linked violations
November 17, 2008State Public Notification requested3 linked violations
November 17, 2008State Public Notification requested4 linked violations
November 17, 2008State Formal Notice of Violation issued4 linked violations
November 17, 2008State Formal Notice of Violation issued9 linked violations
November 17, 2008State Public Notification requested7 linked violations
November 17, 2008State Public Notification requested13 linked violations
November 17, 2008State Formal Notice of Violation issued9 linked violations
November 17, 2008State Formal Notice of Violation issued7 linked violations
November 17, 2008State Formal Notice of Violation issued8 linked violations
November 17, 2008State Public Notification requested7 linked violations
November 17, 2008State Formal Notice of Violation issued8 linked violations
November 17, 2008State Formal Notice of Violation issued7 linked violations
November 17, 2008State Public Notification requested18 linked violations
November 17, 2008State Formal Notice of Violation issued7 linked violations
November 17, 2008State Public Notification requested5 linked violations
November 17, 2008State Formal Notice of Violation issued3 linked violations
November 17, 2008State Public Notification requested9 linked violations
September 30, 2008State Compliance achieved1 linked violation
July 5, 2006State Compliance achieved12 linked violations
November 13, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 12, 1982State Violation/Reminder Notice1 linked violation

Contact

LEA, TIM

601-455-0620

MONTICELLO, MS 39654