ANKENY, IA · Dallas County
RIVER OAKS DEVELOPMENT Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
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)
- IA2570302
- System type
- Community Water System
- Population served
- 215
- Service connections
- 95
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Maximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
July 1, 2010 – July 31, 2010
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2002 – October 31, 2002
ResolvedMonitoring, Regular
—Arsenic
April 1, 2000 – March 31, 2001
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1999 – December 31, 1999
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Nitrate
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Nitrite
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—2,4-D
January 1, 1993 – December 31, 1998
ResolvedMonitoring, Regular
—Pentachlorophenol
January 1, 1993 – December 31, 1998
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 1993 – December 31, 1998
ResolvedMonitoring, Regular
—Simazine
January 1, 1993 – December 31, 1998
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 1993 – December 31, 1998
ResolvedMonitoring, Regular
—LASSO
January 1, 1993 – December 31, 1998
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2010 – July 31, 2010 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 2002 – October 31, 2002 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| April 1, 2000 – March 31, 2001 | Monitoring, Regular | Arsenic | — | Resolved |
| July 1, 1999 – December 31, 1999 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Nitrite | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | Pentachlorophenol | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | LASSO | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- September 19, 2006State Public Notification requested34 linked violations
- August 28, 2001State Public Notification requested7 linked violations
- April 24, 2001State Public Notification requested15 linked violations
- February 28, 2000State Public Notification received2 linked violations
- February 28, 2000State Public Notification received2 linked violations
- December 20, 1999State Compliance achieved2 linked violations
- December 20, 1999State Compliance achieved2 linked violations
- August 5, 1999State Compliance achieved3 linked violations
- June 15, 1999State Bilateral Compliance Agreement signed2 linked violations
- June 11, 1999State Boil Water Order2 linked violations
- June 11, 1999State Boil Water Order2 linked violations
- June 11, 1999State Public Notification requested3 linked violations
Contact
THORPE WATER DEVELOPMENT COMPANY
515-289-2345
ANKENY, IA 50021