OAKDALE, IA · Johnson County
IOWA MEDICAL & CLASSIFICATION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of September 3, 2003. 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, IA.
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 Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.
System facts
- System ID (PWSID)
- IA5200938
- System type
- Community Water System
- Population served
- 1,100
- Service connections
- 1
- Ownership
- state government
- Water source
- groundwater (wells)
Violation history
Monitoring, Regular
—Nitrite
December 1, 1994 – December 31, 1994
ArchivedMonitoring, Regular
—Antimony, Total
July 1, 1992 – June 30, 1995
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1989 – June 30, 1989
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 1994 – December 31, 1994 | Monitoring, Regular | Nitrite | — | Archived |
| July 1, 1992 – June 30, 1995 | Monitoring, Regular | Antimony, Total | — | Archived |
| June 1, 1989 – June 30, 1989 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- February 24, 1992State Formal Notice of Violation issued8 linked violations
- February 24, 1992State Public Notification requested9 linked violations
- April 17, 1991State Formal Notice of Violation issued2 linked violations
- October 4, 1989State Formal Notice of Violation issued1 linked violation
- August 8, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- June 15, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
319-626-2391
OAKDALE, IA 52319