LAKE OZARK, MO · Camden County
HIDDEN OAKS ESTATES Water System
Consumer Confidence Report status
HIDDEN OAKS ESTATES 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 HIDDEN OAKS ESTATES 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)
- MO3031207
- System type
- Community Water System
- Population served
- 50
- Service connections
- 31
- Ownership
- privately owned
- Water source
- groundwater (wells)
HIDDEN OAKS ESTATES is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, serving 50 people from groundwater.
As of August 1, 2026, its federal record holds 4 entries between 2014 and 2026, of which 1 remains open; none are health-based.
Of the 4, 1 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 the Total Coliform Rules and the Consumer Confidence Rule.
Violation history
Report Sample Result/Fail Monitor (RTCR)
—Revised Total Coliform Rule
January 1, 2026
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2023 – November 1, 2023
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2020 – November 9, 2020
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2014 – August 31, 2014
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2026 | Report Sample Result/Fail Monitor (RTCR) | Revised Total Coliform Rule | — | Unaddressed |
| July 1, 2023 – November 1, 2023 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2020 – November 9, 2020 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| August 1, 2014 – August 31, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- March 3, 2026State Public Notification requested3 linked violations
- October 9, 2025State Public Notification requested3 linked violations
- April 3, 2025State Public Notification received2 linked violations
- November 1, 2023State Compliance achieved2 linked violations
- August 22, 2014State Public Notification requested4 linked violations
- March 7, 2011State Compliance achieved8 linked violations
- July 5, 2006State Compliance achieved1 linked violation
Common questions
Is HIDDEN OAKS ESTATES required to publish a Consumer Confidence Report?
- Yes. HIDDEN OAKS ESTATES 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 HIDDEN OAKS ESTATES’s next Consumer Confidence Report due?
- HIDDEN OAKS ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does HIDDEN OAKS ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for HIDDEN OAKS ESTATES 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
BROWN, LIZ
573-365-6628
LAKE OZARK, MO 65049-0000