KNOB NOSTER, MO · Johnson County
OAK GROVE ESTATES Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of March 1, 2000. 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 Johnson 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)
- MO1048182
- System type
- Community Water System
- Population served
- 75
- Service connections
- 24
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 1994 – July 31, 1994
ArchivedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
January 1, 1994 – March 1, 2000
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 24, 1980 – September 23, 1984
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 24, 1980 – September 23, 1983
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
June 24, 1980 – September 23, 1982
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 1994 – July 31, 1994 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Archived |
| January 1, 1994 – March 1, 2000 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Archived |
| June 24, 1980 – September 23, 1984 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 24, 1980 – September 23, 1983 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| June 24, 1980 – September 23, 1982 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- September 30, 1984State Public Notification requested4 linked violations
- September 30, 1982State Public Notification received1 linked violation
Last known contact on file (system is inactive)
Not on record
816-429-4524
KNOB NOSTER, MO 65336