DUBUQUE, IA · Dubuque County

GAVIN ESTATES Water System

Current status

2 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): IA3100823
System type: Community Water System
Population served: 52
Service connections: 26
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Source Water (GWR)
—
E. COLI
December 13, 2024 – December 16, 2024
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 1, 2024
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
August 21, 2023
Unaddressed
Monitoring, Regular
—
Combined Radium (-226 and -228)
January 1, 2023 – March 31, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2022 – June 30, 2022
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2022 – June 30, 2022
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2021 – December 31, 2021
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2015 – October 1, 2015
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2001 – August 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1998 – December 31, 1998
Archived
Monitoring, Regular
—
BHC-GAMMA
January 1, 1995 – January 31, 1995
Resolved
Monitoring, Regular
—
Chromium
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Arsenic
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Barium
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Cadmium
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Fluoride
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Mercury
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Selenium
April 1, 1987 – March 31, 1990
Resolved
Monitoring, Regular
—
Chromium
October 1, 1983 – September 30, 1986
Archived
Monitoring, Regular
—
Mercury
October 1, 1983 – September 30, 1986
Archived
Monitoring, Regular
—
Mercury
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Fluoride
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Chromium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Selenium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Barium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Arsenic
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Cadmium
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Nitrate
September 30, 1980 – September 29, 1983
Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
December 13, 2024 – December 16, 2024	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
December 1, 2024	Lead Consumer Notice	Lead and Copper Rule	—	Unaddressed
August 21, 2023	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
January 1, 2023 – March 31, 2023	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
June 1, 2022 – June 30, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
April 1, 2022 – June 30, 2022	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
December 1, 2021 – December 31, 2021	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2015 – October 1, 2015	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2009 – June 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 2001 – August 31, 2001	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 1998 – December 31, 1998	Monitoring, Regular	Nitrate	—	Archived
January 1, 1995 – January 31, 1995	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Chromium	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Arsenic	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Barium	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Cadmium	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Fluoride	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Mercury	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Nitrate	—	Resolved
April 1, 1987 – March 31, 1990	Monitoring, Regular	Selenium	—	Resolved
October 1, 1983 – September 30, 1986	Monitoring, Regular	Chromium	—	Archived
October 1, 1983 – September 30, 1986	Monitoring, Regular	Mercury	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Mercury	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Fluoride	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Chromium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Selenium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Barium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Arsenic	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Cadmium	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Nitrate	—	Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

February 18, 2025State Public Notification received1 linked violation
January 24, 2025State Formal Notice of Violation issued1 linked violation
January 16, 2025State Public Notification requested1 linked violation
January 16, 2025State Formal Notice of Violation issued1 linked violation
December 16, 2024State Compliance achieved1 linked violation
April 9, 2024State Compliance achieved1 linked violation
April 9, 2024State Public Notification received1 linked violation
January 18, 2024State Formal Notice of Violation issued1 linked violation
January 18, 2024State Intentional no-action1 linked violation
January 18, 2024State Violation/Reminder Notice1 linked violation
December 21, 2023State Formal Notice of Violation issued1 linked violation
December 21, 2023State Intentional no-action1 linked violation
December 21, 2023State Violation/Reminder Notice1 linked violation
September 21, 2023State Intentional no-action1 linked violation
September 21, 2023State Formal Notice of Violation issued1 linked violation
September 21, 2023State Violation/Reminder Notice1 linked violation
September 20, 2023State Public Notification requested1 linked violation
September 20, 2023State Formal Notice of Violation issued1 linked violation
August 25, 2023State Compliance achieved1 linked violation
July 25, 2023State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
May 26, 2023State Compliance achieved1 linked violation
May 25, 2023State Public Notification received1 linked violation
May 17, 2023State Public Notification requested1 linked violation
May 17, 2023State Formal Notice of Violation issued1 linked violation
March 30, 2023State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 17, 2023State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 17, 2023State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 7, 2022State Compliance achieved1 linked violation
December 7, 2022State Compliance achieved1 linked violation
November 17, 2022State Violation/Reminder Notice1 linked violation
November 17, 2022State Intentional no-action1 linked violation
November 17, 2022State Formal Notice of Violation issued1 linked violation
November 16, 2022State Formal Notice of Violation issued1 linked violation
November 16, 2022State Public Notification requested1 linked violation
August 17, 2022State Public Notification requested1 linked violation
August 17, 2022State Formal Notice of Violation issued1 linked violation
July 22, 2022State Formal Notice of Violation issued1 linked violation
July 22, 2022State Public Notification requested1 linked violation
July 18, 2022State Compliance achieved1 linked violation
March 2, 2022State Public Notification received1 linked violation
January 27, 2022State Formal Notice of Violation issued1 linked violation
January 19, 2022State Formal Notice of Violation issued1 linked violation
January 19, 2022State Public Notification requested1 linked violation
January 10, 2022State Compliance achieved1 linked violation
February 17, 2020State Public Notification received1 linked violation
February 6, 2020State Compliance achieved1 linked violation
January 22, 2020State Public Notification requested1 linked violation
January 22, 2020State Formal Notice of Violation issued1 linked violation
February 10, 2018State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 10, 2018State Compliance achievedgeneral compliance action — not tied to a specific violation on record
January 8, 2018State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
June 14, 2017State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 11, 2016State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
June 28, 2016State Public Notification received1 linked violation
January 21, 2014State Public Notification requested7 linked violations
January 13, 2014State Compliance achieved5 linked violations
February 11, 2003State Public Notification received2 linked violations
February 3, 2003State Compliance achieved6 linked violations
January 23, 2003State Public Notification requested1 linked violation
January 23, 2003State Formal Notice of Violation issued3 linked violations
September 19, 2001State Public Notification requested4 linked violations
December 2, 1996State Compliance achieved4 linked violations
December 2, 1996State Compliance achieved2 linked violations
December 2, 1996State Compliance achieved1 linked violation
December 2, 1996State Compliance achieved1 linked violation
October 25, 1996State Formal Notice of Violation issued1 linked violation
October 25, 1996State Public Notification requested1 linked violation
October 25, 1996State Formal Notice of Violation issued1 linked violation
October 25, 1996State Formal Notice of Violation issued3 linked violations
February 11, 1994State Public Notification received4 linked violations
January 28, 1994State Formal Notice of Violation issued6 linked violations
January 28, 1994State Public Notification requested5 linked violations
January 28, 1994State Public Notification requested4 linked violations
November 13, 1990State Compliance achieved3 linked violations
September 24, 1990State Administrative/Compliance Order without penalty issued2 linked violations
September 24, 1990State Administrative/Compliance Order without penalty issued3 linked violations
September 24, 1990State Administrative/Compliance Order without penalty issued1 linked violation
September 24, 1990State Administrative/Compliance Order without penalty issued2 linked violations
September 12, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 12, 1990State Compliance achieved1 linked violation
July 1, 1988State Consent Decree/Judgementgeneral compliance action — not tied to a specific violation on record
June 11, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 11, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 11, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 27, 1987State Civil Case filed in State courtgeneral compliance action — not tied to a specific violation on record
April 27, 1987State Civil Case filed in State courtgeneral compliance action — not tied to a specific violation on record
April 27, 1987State Civil Case filed in State court1 linked violation
April 27, 1987State Civil Case filed in State court1 linked violation
April 27, 1987State Civil Case filed in State courtgeneral compliance action — not tied to a specific violation on record
April 1, 1987State Formal Notice of Violation issued2 linked violations
February 16, 1987State Compliance achieved1 linked violation
February 16, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 16, 1987State Compliance achieved1 linked violation
December 1, 1986State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
November 1, 1986State Formal Notice of Violation issued1 linked violation
October 28, 1986State Administrative/Compliance Order without penalty issued1 linked violation
October 28, 1986State Administrative/Compliance Order without penalty issued1 linked violation
October 28, 1986State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
October 28, 1986State Administrative/Compliance Order without penalty issued2 linked violations
October 1, 1986State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 1, 1986State Bilateral Compliance Agreement signedgeneral compliance action — not tied to a specific violation on record
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record
January 21, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

GAVIN ESTATES

563-552-8646

DUBUQUE, IA 52002