SOLON, IA · Johnson County
WHISPERING OAKS Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of June 1, 1975. 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 August 1, 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)
- IA5200868
- System type
- Community Water System
- Population served
- 28
- Service connections
- 11
- Ownership
- privately owned
- Water source
- groundwater (wells)
WHISPERING OAKS is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, formerly serving 28 people from groundwater.
EPA's federal records list this system as inactive in 1975; the record below is historical.
As of August 1, 2026, its federal record holds 11 entries between 1980 and 2002, all of which EPA lists as closed. Nothing has been added since 2002.
Of the 11, 8 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 inorganic chemicals, the Total Coliform Rules, and the Radionuclides and Revised Rad Rule.
Violation history
Monitoring, Regular
—Arsenic
April 1, 2002 – June 1, 1975
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
September 1, 1999 – June 1, 1975
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 1999 – June 1, 1975
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 1993 – June 1, 1975
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1993 – June 1, 1975
ResolvedMonitoring, Regular
—Combined Radium (-226 and -228)
September 30, 1980 – June 1, 1975
ArchivedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
September 30, 1980 – June 1, 1975
ArchivedMonitoring, Regular
—Barium
September 30, 1980 – June 1, 1975
ArchivedMonitoring, Regular
—Cadmium
September 30, 1980 – June 1, 1975
ArchivedMonitoring, Regular
—Chromium
September 30, 1980 – June 1, 1975
ArchivedMonitoring, Regular
—Nitrate
September 30, 1980 – June 1, 1975
Archived
Resolved 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 |
|---|---|---|---|---|
| April 1, 2002 – June 1, 1975 | Monitoring, Regular | Arsenic | — | Resolved |
| September 1, 1999 – June 1, 1975 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 1999 – June 1, 1975 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 1993 – June 1, 1975 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 1993 – June 1, 1975 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| September 30, 1980 – June 1, 1975 | Monitoring, Regular | Combined Radium (-226 and -228) | — | Archived |
| September 30, 1980 – June 1, 1975 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Archived |
| September 30, 1980 – June 1, 1975 | Monitoring, Regular | Barium | — | Archived |
| September 30, 1980 – June 1, 1975 | Monitoring, Regular | Cadmium | — | Archived |
| September 30, 1980 – June 1, 1975 | Monitoring, Regular | Chromium | — | Archived |
| September 30, 1980 – June 1, 1975 | Monitoring, Regular | Nitrate | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- October 14, 2005State Compliance achieved3 linked violations
- April 21, 2005State Public Notification requested10 linked violations
- May 5, 2003State Public Notification received1 linked violation
- May 5, 2003State Public Notification received2 linked violations
- April 21, 2003State Public Notification requested1 linked violation
- April 21, 2003State Formal Notice of Violation issued1 linked violation
- April 21, 2003State Formal Notice of Violation issued10 linked violations
- April 21, 2003State Public Notification requested1 linked violation
- October 18, 2000State Formal Notice of Violation issued5 linked violations
- August 31, 2000State Administrative/Compliance Order without penalty issued2 linked violations
- March 27, 2000State Compliance achieved3 linked violations
- September 14, 1999State Public Notification requested3 linked violations
- September 14, 1999State Formal Notice of Violation issued3 linked violations
- August 10, 1999State Formal Notice of Violation issued3 linked violations
- July 12, 1999State Violation/Reminder Notice2 linked violations
- June 12, 1998State Compliance achieved2 linked violations
- December 22, 1997State Formal Notice of Violation issued3 linked violations
- October 27, 1993State Formal Notice of Violation issued3 linked violations
- October 27, 1993State Formal Notice of Violation issued1 linked violation
- October 27, 1993State Public Notification requested1 linked violation
- October 27, 1993State Public Notification requested3 linked violations
- July 16, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- July 16, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- February 19, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- February 10, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
- February 5, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
Last known contact on file (system is inactive)
Not on record
319-286-5990
SOLON, IA 52333