Cedar, MN · Anoka County
Oak Grove - Ponds System Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of May 30, 2018. 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 Anoka County, MN.
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 Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.
System facts
- System ID (PWSID)
- MN1020039
- System type
- Community Water System
- Population served
- 516
- Service connections
- 221
- Ownership
- local government
- Water source
- groundwater (wells)
Oak Grove - Ponds System is one of 330 community water systems in Minnesota in the 501 to 3,300 people size category, formerly serving 516 people from groundwater.
EPA's federal records list this system as inactive in 2018; the record below is historical.
As of August 1, 2026, its federal record holds 1 entry in 2012, all of which EPA lists as closed. Nothing has been added since 2012.
All 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 Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring and Reporting (DBP)
—Chlorine
October 1, 2012 – December 31, 2012
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2012 – December 31, 2012 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- February 28, 2013State Public Notification received2 linked violations
- February 5, 2013State Formal Notice of Violation issued2 linked violations
- February 5, 2013State Public Notification requested2 linked violations
- January 9, 2013State Compliance achieved1 linked violation
- January 2, 2013State Compliance achieved1 linked violation
Last known contact on file (system is inactive)
City of Oak Grove
7634341441
Cedar, MN 55011-9204