TIPTON, IA · Johnson County

CORALVILLE LAKE TERRACE 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): IA5200817
System type: Community Water System
Population served: 340
Service connections: 85
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – September 28, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – September 16, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2011 – July 1, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2010 – July 1, 2011
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2010 – September 25, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2010 – September 25, 2012
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
April 1, 2010 – May 11, 2010
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
April 1, 2010 – May 12, 2010
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2010 – December 31, 2010
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2009 – September 25, 2012
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2009 – September 25, 2012
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2006 – July 1, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2003 – July 6, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2002 – July 31, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 2002 – March 31, 2002
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2001 – June 30, 2002
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2001 – June 30, 2002
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 2001 – July 16, 2001
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
June 1, 2001 – July 16, 2001
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2001 – June 30, 2001
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2001 – May 31, 2001
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2001 – December 31, 2001
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1996 – November 30, 1996
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
August 1, 1996 – August 31, 1996
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Resolved
Monitoring, Regular
—
Mercury
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
—
Nitrate
September 30, 1980 – September 29, 1983
Archived
Monitoring, Regular
—
Chromium
September 30, 1980 – September 29, 1983
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
July 1, 2016 – September 28, 2016	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2013 – September 16, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2011 – July 1, 2012	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2010 – July 1, 2011	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2010 – September 25, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 2010 – September 25, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 2010 – May 11, 2010	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2010 – May 12, 2010	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2010 – December 31, 2010	Monitoring, Regular	Nitrate	—	Resolved
June 1, 2009 – September 25, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 2009 – September 25, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2006 – July 1, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2003 – July 6, 2004	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2002 – July 31, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2002 – June 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2002 – June 30, 2002	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
March 1, 2002 – March 31, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 2001 – June 30, 2002	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2001 – June 30, 2002	Monitoring, Regular	Arsenic	—	Resolved
June 1, 2001 – July 16, 2001	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2001 – July 16, 2001	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2001 – June 30, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2001 – May 31, 2001	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2001 – December 31, 2001	Monitoring, Regular	Nitrate	—	Resolved
November 1, 1996 – November 30, 1996	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 1996 – August 31, 1996	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
August 1, 1996 – August 31, 1996	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
September 30, 1980 – September 29, 1983	Monitoring, Regular	Mercury	—	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	Nitrate	—	Archived
September 30, 1980 – September 29, 1983	Monitoring, Regular	Chromium	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

September 12, 2017State Public Notification received1 linked violation
September 28, 2016State Public Notification received1 linked violation
September 28, 2016State Public Notification received1 linked violation
September 28, 2016State Public Notification received1 linked violation
September 28, 2016State Compliance achieved1 linked violation
September 19, 2016State Public Notification requested1 linked violation
September 19, 2016State Formal Notice of Violation issued1 linked violation
August 24, 2016State Compliance achieved1 linked violation
August 24, 2016State Compliance achieved1 linked violation
October 15, 2015State Formal Notice of Violation issued1 linked violation
October 15, 2015State Public Notification requested1 linked violation
June 30, 2015State Compliance achieved1 linked violation
June 30, 2015State Public Notification received1 linked violation
November 18, 2014State Intentional no-action1 linked violation
November 18, 2014State Violation/Reminder Notice1 linked violation
November 18, 2014State Formal Notice of Violation issued1 linked violation
September 30, 2014State Compliance achieved1 linked violation
July 17, 2014State Formal Notice of Violation issued1 linked violation
July 17, 2014State Public Notification requested1 linked violation
July 2, 2014State Public Notification received1 linked violation
July 2, 2014State Public Notification received1 linked violation
September 16, 2013State Compliance achieved1 linked violation
July 1, 2013State Formal Notice of Violation issued1 linked violation
September 25, 2012State Compliance achieved1 linked violation
September 25, 2012State Compliance achieved1 linked violation
September 25, 2012State Compliance achieved1 linked violation
September 25, 2012State Compliance achieved1 linked violation
August 31, 2012State Public Notification requested1 linked violation
August 31, 2012State Compliance achieved1 linked violation
August 31, 2012State Compliance achieved1 linked violation
August 31, 2012State Formal Notice of Violation issued1 linked violation
August 31, 2012State Compliance achieved1 linked violation
July 1, 2012State Compliance achieved1 linked violation
November 18, 2011State Public Notification requested1 linked violation
November 18, 2011State Public Notification requested1 linked violation
November 18, 2011State Formal Notice of Violation issued1 linked violation
November 18, 2011State Formal Notice of Violation issued1 linked violation
November 7, 2011State Compliance achieved1 linked violation
November 7, 2011State Compliance achieved1 linked violation
October 19, 2011State Public Notification requested1 linked violation
October 19, 2011State Formal Notice of Violation issued1 linked violation
July 1, 2011State Compliance achieved1 linked violation
April 13, 2011State Compliance achievedgeneral compliance action — not tied to a specific violation on record
October 24, 2007State Formal Notice of Violation issued1 linked violation
October 24, 2007State Public Notification requested1 linked violation
November 21, 2005State Formal Notice of Violation issued5 linked violations
April 6, 2005State Public Notification requested1 linked violation
April 6, 2005State Formal Notice of Violation issued1 linked violation
January 12, 2005State Compliance achieved1 linked violation
July 6, 2004State Compliance achieved1 linked violation
May 7, 2004State Compliance achieved2 linked violations
September 19, 2003State Violation/Reminder Notice3 linked violations
March 31, 2003State Compliance achieved45 linked violations
March 31, 2003State Compliance achieved3 linked violations
March 31, 2003State Compliance achieved5 linked violations
March 31, 2003State Compliance achieved3 linked violations
March 31, 2003State Compliance achieved2 linked violations
March 31, 2003State Compliance achieved2 linked violations
March 31, 2003State Compliance achieved3 linked violations
March 31, 2003State Compliance achieved1 linked violation
December 31, 2002State Compliance achieved1 linked violation
December 20, 2002State Public Notification requested1 linked violation
December 20, 2002State Formal Notice of Violation issued1 linked violation
October 2, 2002State Formal Notice of Violation issued1 linked violation
October 2, 2002State Public Notification requested1 linked violation
August 5, 2002State Formal Notice of Violation issued6 linked violations
August 5, 2002State Public Notification requested11 linked violations
August 5, 2002State Public Notification requested3 linked violations
August 2, 2002State Site Visit for enforcement purposes1 linked violation
August 2, 2002State Boil Water Order2 linked violations
July 31, 2002State Formal Notice of Violation issued1 linked violation
July 31, 2002State Public Notification requested3 linked violations
July 31, 2002State Public Notification requested9 linked violations
July 31, 2002State Formal Notice of Violation issued2 linked violations
July 23, 2002State Compliance achieved5 linked violations
April 8, 2002State Bilateral Compliance Agreement signed23 linked violations
March 18, 2002State Formal Notice of Violation issued4 linked violations
January 25, 2002State Public Notification requested1 linked violation
January 23, 2002State Compliance achieved4 linked violations
December 3, 2001State Violation/Reminder Notice20 linked violations
November 5, 2001State Formal Notice of Violation issued5 linked violations
November 5, 2001State Public Notification requested3 linked violations
October 15, 2001State Public Notification requested10 linked violations
August 21, 2001State Formal Notice of Violation issued2 linked violations
August 8, 2001State Compliance achieved1 linked violation
August 8, 2001State Technical Assistance Visit2 linked violations
July 30, 2001State Compliance achieved2 linked violations
July 30, 2001State Compliance achieved2 linked violations
July 30, 2001State Compliance achieved2 linked violations
July 9, 2001State Compliance achieved2 linked violations
July 2, 2001State Formal Notice of Violation issued1 linked violation
June 18, 2001State Formal Notice of Violation issued2 linked violations
June 18, 2001State Formal Notice of Violation issued3 linked violations
June 18, 2001State Public Notification requested1 linked violation
June 18, 2001State Public Notification requested4 linked violations
May 7, 2001State Compliance achieved3 linked violations
October 18, 2000State Formal Notice of Violation issued1 linked violation
October 18, 2000State Public Notification requested1 linked violation
June 27, 2000State Administrative/Compliance Order with penalty issued1 linked violation
June 27, 2000State Administrative/Compliance Order with penalty issued1 linked violation
May 31, 2000State Formal Notice of Violation issued1 linked violation
May 31, 2000State Formal Notice of Violation issued1 linked violation
May 31, 2000State Formal Notice of Violation issued2 linked violations
December 29, 1999State Public Notification requested2 linked violations
December 29, 1999State Formal Notice of Violation issued1 linked violation
October 22, 1999State Formal Notice of Violation issued1 linked violation
October 22, 1999State Formal Notice of Violation issued1 linked violation
October 22, 1999State Public Notification requested1 linked violation
October 13, 1999State Compliance achieved2 linked violations
October 13, 1999State Compliance achieved2 linked violations
November 17, 1997State Public Notification requested176 linked violations
June 20, 1997State Compliance achieved5 linked violations
June 20, 1997State Compliance achieved2 linked violations
June 20, 1997State Compliance achieved2 linked violations
June 20, 1997State Compliance achieved4 linked violations
December 20, 1996State Public Notification requested1 linked violation
December 20, 1996State Formal Notice of Violation issued2 linked violations
December 3, 1996State Compliance achieved1 linked violation
November 18, 1996State Public Notification requested2 linked violations
September 23, 1996State Formal Notice of Violation issued1 linked violation
September 3, 1996State Public Notification requested1 linked violation
September 3, 1996State Formal Notice of Violation issued1 linked violation
May 30, 1996State Compliance achieved3 linked violations
May 30, 1996State Compliance achieved1 linked violation
May 30, 1996State Compliance achieved1 linked violation
March 28, 1996State Compliance achieved4 linked violations
September 20, 1994State Public Notification requested3 linked violations
September 20, 1994State Public Notification requested2 linked violations
August 10, 1994State Formal Notice of Violation issued6 linked violations
October 15, 1993State Public Notification requested2 linked violations
October 15, 1993State Public Notification requested16 linked violations
October 13, 1993State Public Notification requested6 linked violations
January 20, 1992State Compliance achieved2 linked violations
October 24, 1991State Public Notification requested2 linked violations
July 31, 1990State Compliance achieved1 linked violation
November 29, 1989State Compliance achieved1 linked violation
September 28, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 28, 1988State Formal Notice of Violation issued1 linked violation
September 28, 1988State Public Notification requested2 linked violations
September 9, 1988State Formal Notice of Violation issued4 linked violations
December 15, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
November 15, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 30, 1984Federal issued Formal Notice of Violationgeneral compliance action — not tied to a specific violation on record
February 5, 1982State Unresolved1 linked violation

Contact

CORALVILLE LAKE TERRACE

319-325-8213

TIPTON, IA 52772