KIMBERLING CITY, MO · Stone County
OAK SHADOWS WATER ASSN Water System
Consumer Confidence Report status
OAK SHADOWS WATER ASSN 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 OAK SHADOWS WATER ASSN 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)
- MO5036250
- System type
- Community Water System
- Population served
- 75
- Service connections
- 45
- Ownership
- privately owned
- Water source
- groundwater (wells)
OAK SHADOWS WATER ASSN is one of 1,412 community water systems in Missouri in the 500 or fewer people size category, serving 75 people from groundwater.
As of August 1, 2026, its federal record holds 12 entries between 1981 and 2025, of which 1 remains open; none are health-based.
Of the 12, 9 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 Radionuclides and Revised Rad Rule, the Lead and Copper Rule, and the Groundwater Rule.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 30, 2025
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
March 30, 2023 – September 12, 2022
ResolvedMonitoring, Source Water (GWR)
—E. COLI
August 1, 2022 – July 28, 2022
ResolvedMonitoring, Source Water (GWR)
—E. COLI
March 1, 2022 – July 28, 2022
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
March 1, 2016 – March 31, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – June 29, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – June 29, 2015
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2012 – December 31, 2012
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2011 – August 23, 2015
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
August 19, 1981 – September 18, 1984
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
August 19, 1981 – September 18, 1982
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
August 19, 1981 – September 18, 1983
Archived
Unaddressed no corrective action on record yetResolved 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 |
|---|---|---|---|---|
| December 30, 2025 | Lead Consumer Notice | Lead and Copper Rule | — | Unaddressed |
| March 30, 2023 – September 12, 2022 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| August 1, 2022 – July 28, 2022 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| March 1, 2022 – July 28, 2022 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| March 1, 2016 – March 31, 2016 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2014 – June 29, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2013 – June 29, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| December 1, 2012 – December 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2011 – August 23, 2015 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| August 19, 1981 – September 18, 1984 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| August 19, 1981 – September 18, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| August 19, 1981 – September 18, 1983 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is OAK SHADOWS WATER ASSN required to publish a Consumer Confidence Report?
- Yes. OAK SHADOWS WATER ASSN 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 OAK SHADOWS WATER ASSN’s next Consumer Confidence Report due?
- OAK SHADOWS WATER ASSN’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does OAK SHADOWS WATER ASSN have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for OAK SHADOWS WATER ASSN 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
YENDES, NANCY
417-894-8031
KIMBERLING CITY, MO 65686-0000