DES PERES, MO · Warren County

LAKE SHERWOOD SUBD Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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 Missouri’s official records. Always confirm current status with Missouri before making decisions based on this information.

System facts

System ID (PWSID): MO6036039
System type: Community Water System
Population served: 1,100
Service connections: 493
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Toluene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Benzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Styrene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2025 – December 31, 2025
Archived
Monitoring, Regular
—
Toluene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Xylenes, Total
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Vinyl chloride
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Benzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Ethylbenzene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Styrene
July 1, 2025 – September 30, 2025
Archived
Monitoring, Regular
—
Nitrate-Nitrite
January 1, 2025 – December 31, 2025
Archived
LSL Reporting
—
LEAD AND COPPER RULE REVISIONS
October 17, 2024 – January 23, 2025
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
October 1, 2024
Unaddressed
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – June 4, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 2010 – October 31, 2010
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2008 – December 31, 2013
Archived
Monitoring, Regular
—
Radium-226
January 1, 2008 – December 31, 2013
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1996 – April 30, 1996
Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2025 – December 31, 2025	Monitoring, Regular	Toluene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Benzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Styrene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
October 1, 2025 – December 31, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Toluene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Xylenes, Total	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	DICHLOROMETHANE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	o-Dichlorobenzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Vinyl chloride	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,2-Dichloropropane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Tetrachloroethylene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	CHLOROBENZENE	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Benzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Ethylbenzene	—	Archived
July 1, 2025 – September 30, 2025	Monitoring, Regular	Styrene	—	Archived
January 1, 2025 – December 31, 2025	Monitoring, Regular	Nitrate-Nitrite	—	Archived
October 17, 2024 – January 23, 2025	LSL Reporting	LEAD AND COPPER RULE REVISIONS	—	Resolved
October 1, 2024	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
July 1, 2014 – June 4, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2010 – October 31, 2010	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2008 – December 31, 2013	Monitoring, Regular	Radium-228	—	Archived
January 1, 2008 – December 31, 2013	Monitoring, Regular	Radium-226	—	Archived
April 1, 1996 – April 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

No enforcement actions on record for this system.

Contact

SASSEN, ISABEL

314-464-3964

DES PERES, MO 63131-0000