CHARTER OAK, IA · Crawford County

CHARTER OAK WATER SUPPLY 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): IA2417018
System type: Community Water System
Population served: 522
Service connections: 306
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
TTHM
July 1, 2019 – July 31, 2019
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2003 – May 31, 2003
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2002 – June 30, 2002
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1990 – July 31, 1990
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1990 – July 31, 1990
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1990 – July 31, 1990
Resolved
Monitoring, Regular
—
Nitrate
October 1, 1989 – December 31, 1989
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2019 – July 31, 2019	Monitoring and Reporting (DBP)	TTHM	—	Resolved
May 1, 2003 – May 31, 2003	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 2002 – June 30, 2002	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
July 1, 1990 – July 31, 1990	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 1990 – July 31, 1990	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 1990 – July 31, 1990	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 1989 – December 31, 1989	Monitoring, Regular	Nitrate	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 22, 2020State Compliance achieved1 linked violation
July 22, 2020State Compliance achieved1 linked violation
June 10, 2020State Public Notification received1 linked violation
June 10, 2020State Public Notification received1 linked violation
September 17, 2019State Formal Notice of Violation issued1 linked violation
September 17, 2019State Public Notification requested1 linked violation
September 17, 2019State Formal Notice of Violation issued1 linked violation
September 17, 2019State Public Notification requested1 linked violation
February 20, 2015State Public Notification received1 linked violation
December 16, 2014State Formal Notice of Violation issued2 linked violations
June 24, 2003State Formal Notice of Violation issued3 linked violations
June 24, 2003State Public Notification requested2 linked violations
December 31, 2002State Compliance achieved2 linked violations
June 28, 2002State Public Notification received1 linked violation
May 11, 2001State Violation/Reminder Notice2 linked violations
January 29, 1996State Formal Notice of Violation issued2 linked violations
January 29, 1996State Public Notification requested2 linked violations
December 4, 1995State Compliance achieved2 linked violations
February 14, 1994State Public Notification requested2 linked violations
February 22, 1993State Compliance achieved1 linked violation
February 22, 1993State Compliance achieved1 linked violation
February 22, 1993State Compliance achieved1 linked violation
February 22, 1993State Compliance achieved1 linked violation
February 22, 1993State Compliance achieved1 linked violation
February 22, 1993State Compliance achieved4 linked violations
February 22, 1993State Compliance achieved1 linked violation
February 22, 1993State Compliance achieved1 linked violation
February 22, 1993State Compliance achievedgeneral compliance action — not tied to a specific violation on record
February 22, 1993State Compliance achieved1 linked violation
February 9, 1993State Public Notification requested1 linked violation
February 9, 1993State Formal Notice of Violation issued5 linked violations
February 9, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Public Notification requested1 linked violation
February 9, 1993State Public Notification requested3 linked violations
February 9, 1993State Public Notification requested2 linked violations
February 9, 1993State Public Notification requested2 linked violations
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Formal Notice of Violation issued4 linked violations
February 9, 1993State Public Notification requested1 linked violation
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Public Notification requested1 linked violation
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Public Notification requested1 linked violation
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Public Notification requested2 linked violations
February 9, 1993State Formal Notice of Violation issued2 linked violations
February 9, 1993State Formal Notice of Violation issued3 linked violations
February 9, 1993State Public Notification requested1 linked violation
February 9, 1993State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 9, 1993State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 9, 1993State Formal Notice of Violation issued1 linked violation
February 9, 1993State Formal Notice of Violation issued1 linked violation

Contact

CHARTER OAK WATER SUPPLY

712-269-1106

CHARTER OAK, IA 51439