LAKE OZARK, MO · Camden County
BLACKHAWK ESTATES Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 17, 2024. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in Camden County, MO.
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)
- MO3036103
- System type
- Community Water System
- Population served
- 0
- Service connections
- 50
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Treatment Technique, Corrective/Expedited Actions (RTCR)
Health-basedRevised Total Coliform Rule
July 9, 2019 – December 6, 2019
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2014 – October 2, 2015
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
July 1, 2013 – October 2, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2012 – February 5, 2020
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – May 15, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
November 1, 2004 – November 30, 2004
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 2004 – October 31, 2004
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2004 – July 31, 2004
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2004 – November 21, 2005
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2003 – November 21, 2005
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
May 1, 2003 – May 31, 2003
ResolvedMonitoring, Repeat Major (TCR)
—Coliform (TCR)
April 1, 2003 – April 30, 2003
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2002 – November 21, 2005
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
April 1, 1992 – April 30, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 9, 2019 – December 6, 2019 | Treatment Technique, Corrective/Expedited Actions (RTCR) | Revised Total Coliform Rule | Health-based | Resolved |
| July 1, 2014 – October 2, 2015 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2013 – October 2, 2015 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2012 – February 5, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2006 – May 15, 2007 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| November 1, 2004 – November 30, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2004 – October 31, 2004 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2004 – July 31, 2004 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2004 – November 21, 2005 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2003 – November 21, 2005 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| May 1, 2003 – May 31, 2003 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2003 – April 30, 2003 | Monitoring, Repeat Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2002 – November 21, 2005 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 1992 – April 30, 1992 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 5, 2020State Compliance achieved1 linked violation
- December 6, 2019State Compliance achieved1 linked violation
- September 24, 2019State Public Notification received1 linked violation
- August 22, 2019State Public Notification requested1 linked violation
- August 22, 2019State Formal Notice of Violation issued1 linked violation
- November 30, 2018State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- January 5, 2016State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- October 2, 2015State Compliance achieved2 linked violations
- January 22, 2014State Compliance achieved10 linked violations
- January 22, 2014State Compliance achieved3 linked violations
- January 22, 2014State Compliance achieved1 linked violation
- May 15, 2007State Compliance achieved3 linked violations
- November 27, 2006State Violation/Reminder Notice2 linked violations
- December 3, 2004State Public Notification requested3 linked violations
- December 3, 2004State Violation/Reminder Notice2 linked violations
- May 26, 2004State Public Notification requested3 linked violations
- June 30, 2003State Public Notification requested1 linked violation
- May 29, 2003State Violation/Reminder Notice3 linked violations
Last known contact on file (system is inactive)
MACKEY, JOHN
573-216-6668
LAKE OZARK, MO 65049-0000