ANKENY, IA · Dallas County
RIVER OAKS DEVELOPMENT Water System
Consumer Confidence Report status
RIVER OAKS DEVELOPMENT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for RIVER OAKS DEVELOPMENT.
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)
- IA2570302
- System type
- Community Water System
- Population served
- 215
- Service connections
- 95
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
RIVER OAKS DEVELOPMENT is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 215 people from surface water.
As of August 1, 2026, its federal record holds 13 entries between 1993 and 2010, all of which EPA lists as closed. Nothing has been added since 2010.
Of the 13, 9 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 Total Coliform Rules, synthetic organic chemicals, and the Lead and Copper Rule.
Violation history
Maximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
July 1, 2010 – July 31, 2010
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
July 1, 2010 – July 31, 2010
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
August 1, 2006 – August 31, 2006
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
October 1, 2002 – October 31, 2002
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
January 1, 2002 – January 31, 2002
ResolvedInitial Tap Sampling for Pb and Cu
—Lead and Copper Rule
July 1, 1999 – December 31, 1999
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 1999 – May 31, 1999
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
May 1, 1999 – May 31, 1999
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
October 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—Nitrite
January 1, 1998 – December 31, 1998
ResolvedMonitoring, Regular
—2,4,5-TP
January 1, 1993 – December 31, 1998
ResolvedMonitoring, Regular
—2,4-D
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 |
| July 1, 2010 – July 31, 2010 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2006 – August 31, 2006 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2002 – October 31, 2002 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| January 1, 2002 – January 31, 2002 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 1999 – December 31, 1999 | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | — | Resolved |
| May 1, 1999 – May 31, 1999 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| May 1, 1999 – May 31, 1999 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
| October 1, 1998 – December 31, 1998 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| January 1, 1998 – December 31, 1998 | Monitoring, Regular | Nitrite | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | 2,4,5-TP | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | 2,4-D | — | Resolved |
| January 1, 1993 – December 31, 1998 | Monitoring, Regular | LASSO | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 13, 2006State Public Notification received13 linked violations
- March 28, 2002State Public Notification received4 linked violations
- February 12, 2002State Compliance achieved10 linked violations
- April 30, 2001State Compliance achieved4 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
Common questions
Is RIVER OAKS DEVELOPMENT required to publish a Consumer Confidence Report?
- Yes. RIVER OAKS DEVELOPMENT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is RIVER OAKS DEVELOPMENT’s next Consumer Confidence Report due?
- RIVER OAKS DEVELOPMENT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does RIVER OAKS DEVELOPMENT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for RIVER OAKS DEVELOPMENT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
THORPE WATER DEVELOPMENT COMPANY
515-289-2345
ANKENY, IA 50021