DES PERES, MO · Warren County
LAKE SHERWOOD SUBD Water System
Consumer Confidence Report status
LAKE SHERWOOD SUBD must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show 1 item for LAKE SHERWOOD SUBD that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
LAKE SHERWOOD SUBD is one of 489 community water systems in Missouri in the 501 to 3,300 people size category, serving 1,100 people from groundwater.
As of August 1, 2026, its federal record holds 50 entries between 1996 and 2025, of which 1 remains open; none are health-based.
Of the 50, 49 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals, the Lead and Copper Rule, and the Total Coliform Rules.
Violation history
Monitoring, Regular
—Toluene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Benzene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—CHLOROBENZENE
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Tetrachloroethylene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Styrene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Ethylbenzene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Trichloroethylene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Xylenes, Total
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—DICHLOROMETHANE
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—o-Dichlorobenzene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—p-Dichlorobenzene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Vinyl chloride
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-Dichloroethane
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Carbon tetrachloride
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—1,2-Dichloropropane
October 1, 2025 – December 31, 2025
ArchivedMonitoring, Regular
—Toluene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—1,2,4-Trichlorobenzene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—cis-1,2-Dichloroethylene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Xylenes, Total
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—DICHLOROMETHANE
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—o-Dichlorobenzene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—p-Dichlorobenzene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Vinyl chloride
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—1,1-Dichloroethylene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—trans-1,2-Dichloroethylene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—1,2-Dichloroethane
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—1,1,1-Trichloroethane
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Carbon tetrachloride
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—1,2-Dichloropropane
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Trichloroethylene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—1,1,2-Trichloroethane
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Tetrachloroethylene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—CHLOROBENZENE
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Benzene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Ethylbenzene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Styrene
July 1, 2025 – September 30, 2025
ArchivedMonitoring, Regular
—Nitrate-Nitrite
January 1, 2025 – December 31, 2025
ArchivedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024 – January 23, 2025
ResolvedLead Consumer Notice
—Lead and Copper Rule
October 1, 2024
UnaddressedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – June 4, 2015
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2010 – October 31, 2010
ResolvedMonitoring, Regular
—Radium-228
January 1, 2008 – December 31, 2013
ArchivedMonitoring, Regular
—Radium-226
January 1, 2008 – December 31, 2013
ArchivedMonitoring, 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.
Common questions
Is LAKE SHERWOOD SUBD required to publish a Consumer Confidence Report?
- Yes. LAKE SHERWOOD SUBD is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is LAKE SHERWOOD SUBD’s next Consumer Confidence Report due?
- LAKE SHERWOOD SUBD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does LAKE SHERWOOD SUBD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for LAKE SHERWOOD SUBD that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
SASSEN, ISABEL
314-464-3964
DES PERES, MO 63131-0000