DUBUQUE, IA · Dubuque County
SHAGBARK ESTATES Water System
Consumer Confidence Report status
SHAGBARK ESTATES 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 1 item for SHAGBARK ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- IA3126345
- System type
- Community Water System
- Population served
- 38
- Service connections
- 12
- Ownership
- privately owned
- Water source
- groundwater (wells)
SHAGBARK ESTATES is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 38 people from groundwater.
As of August 1, 2026, its federal record holds 8 entries between 2001 and 2024, of which 1 remains open; none are health-based.
Of the 8, 6 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, the Groundwater Rule, and inorganic chemicals.
Violation history
Lead Consumer Notice
—Lead and Copper Rule
December 1, 2024
UnaddressedMonitoring, Source Water (GWR)
—E. COLI
August 12, 2023 – August 16, 2023
ResolvedMonitoring, Source Water (GWR)
—E. COLI
June 13, 2023 – July 5, 2023
ResolvedMonitoring, Regular
—Nitrate
July 1, 2015 – June 30, 2016
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2012 – June 30, 2012
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2007 – November 30, 2007
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 2003 – June 30, 2003
ResolvedMonitoring, Regular
—Arsenic
July 1, 2001 – June 30, 2002
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| December 1, 2024 | Lead Consumer Notice | Lead and Copper Rule | — | Unaddressed |
| August 12, 2023 – August 16, 2023 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| June 13, 2023 – July 5, 2023 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| July 1, 2015 – June 30, 2016 | Monitoring, Regular | Nitrate | — | Resolved |
| June 1, 2012 – June 30, 2012 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| November 1, 2007 – November 30, 2007 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| June 1, 2003 – June 30, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| July 1, 2001 – June 30, 2002 | Monitoring, Regular | Arsenic | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- January 24, 2025State Formal Notice of Violation issued2 linked violations
- July 3, 2024State Compliance achieved2 linked violations
- July 3, 2024State Public Notification received2 linked violations
- January 18, 2024State Formal Notice of Violation issued2 linked violations
- January 18, 2024State Violation/Reminder Notice2 linked violations
- September 20, 2023State Public Notification requested4 linked violations
- July 5, 2023State Compliance achieved4 linked violations
- January 27, 2022State Formal Notice of Violation issued3 linked violations
- June 5, 2020State Compliance achieved3 linked violations
- October 24, 2016State Public Notification received3 linked violations
- August 25, 2016State Compliance achieved3 linked violations
- July 21, 2016State Public Notification requested3 linked violations
- July 23, 2012State Public Notification received3 linked violations
- July 11, 2012State Compliance achieved3 linked violations
- June 25, 2012State Violation/Reminder Notice3 linked violations
- August 28, 2003State Public Notification requested5 linked violations
- June 16, 2003State Violation/Reminder Notice4 linked violations
- July 30, 2002State Compliance achieved8 linked violations
- February 19, 1988State Formal Notice of Violation issued1 linked violation
- February 16, 1982State Unresolved1 linked violation
Common questions
Is SHAGBARK ESTATES required to publish a Consumer Confidence Report?
- Yes. SHAGBARK ESTATES 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 SHAGBARK ESTATES’s next Consumer Confidence Report due?
- SHAGBARK ESTATES’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does SHAGBARK ESTATES have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 item for SHAGBARK ESTATES that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
SHAGBARK ESTATES
563-582-8257
DUBUQUE, IA 52003