COGGON, IA · Linn County

COGGON WATER DEPARTMENT 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): IA5722053
System type: Community Water System
Population served: 701
Service connections: 306
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
July 1, 2023 – June 30, 2024
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2022 – June 30, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2018 – August 31, 2018
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2017 – June 30, 2018
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
April 1, 2017 – March 31, 2023
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
April 1, 2017 – March 31, 2023
Resolved
Monitoring, Regular
—
Glyphosate
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Benzene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Vinyl chloride
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Atrazine
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
2,4-D
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 2013 – June 30, 2019
Resolved
Monitoring, Regular
—
LASSO
July 1, 1990 – September 30, 1990
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2023 – June 30, 2024	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2022 – June 30, 2023	Monitoring, Regular	Nitrate	—	Resolved
August 1, 2018 – August 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2017 – June 30, 2018	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2017 – March 31, 2023	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
April 1, 2017 – March 31, 2023	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Glyphosate	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Benzene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Vinyl chloride	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Atrazine	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	2,4-D	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2013 – June 30, 2019	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 1990 – September 30, 1990	Monitoring, Regular	LASSO	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

June 6, 2025State Public Notification received1 linked violation
April 16, 2025State Public Notification requested1 linked violation
April 16, 2025State Formal Notice of Violation issued1 linked violation
April 2, 2025State Compliance achieved1 linked violation
October 14, 2024State Compliance achieved1 linked violation
October 8, 2024State Public Notification received1 linked violation
September 18, 2024State Compliance achieved1 linked violation
July 18, 2024State Public Notification requested1 linked violation
July 18, 2024State Formal Notice of Violation issued1 linked violation
June 10, 2024State Public Notification received1 linked violation
November 20, 2023State Public Notification requested1 linked violation
November 20, 2023State Formal Notice of Violation issued1 linked violation
November 9, 2023State Compliance achieved1 linked violation
October 12, 2023State Public Notification received1 linked violation
October 12, 2023State Public Notification received1 linked violation
October 6, 2023State Public Notification received1 linked violation
July 20, 2023State Formal Notice of Violation issued1 linked violation
July 20, 2023State Public Notification requested1 linked violation
May 31, 2023State Compliance achieved1 linked violation
May 31, 2023State Compliance achieved1 linked violation
May 17, 2023State Formal Notice of Violation issued1 linked violation
May 17, 2023State Public Notification requested1 linked violation
May 17, 2023State Formal Notice of Violation issued1 linked violation
May 17, 2023State Public Notification requested1 linked violation
June 8, 2020State Public Notification received2 linked violations
June 8, 2020State Public Notification received1 linked violation
June 8, 2020State Public Notification received1 linked violation
June 8, 2020State Public Notification received1 linked violation
June 8, 2020State Public Notification received3 linked violations
June 8, 2020State Public Notification received3 linked violations
June 8, 2020State Public Notification received3 linked violations
June 8, 2020State Public Notification received3 linked violations
June 8, 2020State Public Notification received3 linked violations
June 8, 2020State Public Notification received5 linked violations
June 8, 2020State Public Notification received3 linked violations
June 8, 2020State Public Notification received2 linked violations
June 8, 2020State Public Notification received5 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved2 linked violations
August 27, 2019State Compliance achieved1 linked violation
August 27, 2019State Compliance achieved2 linked violations
August 16, 2019State Public Notification requested4 linked violations
August 16, 2019State Formal Notice of Violation issued2 linked violations
August 16, 2019State Formal Notice of Violation issued2 linked violations
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Formal Notice of Violation issued2 linked violations
August 16, 2019State Formal Notice of Violation issued1 linked violation
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Formal Notice of Violation issued2 linked violations
August 16, 2019State Public Notification requested1 linked violation
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Formal Notice of Violation issued2 linked violations
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Formal Notice of Violation issued2 linked violations
August 16, 2019State Public Notification requested3 linked violations
August 16, 2019State Formal Notice of Violation issued2 linked violations
August 16, 2019State Formal Notice of Violation issued3 linked violations
August 16, 2019State Public Notification requested3 linked violations
August 16, 2019State Public Notification requested4 linked violations
August 16, 2019State Public Notification requested4 linked violations
August 16, 2019State Public Notification requested3 linked violations
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Public Notification requested2 linked violations
August 16, 2019State Public Notification requested4 linked violations
August 16, 2019State Formal Notice of Violation issued9 linked violations
September 24, 2018State Compliance achieved3 linked violations
July 18, 2018State Formal Notice of Violation issued3 linked violations
January 24, 1991State Public Notification received1 linked violation
December 3, 1990State Formal Notice of Violation issued3 linked violations
December 3, 1990State Public Notification requested1 linked violation
November 19, 1990State Compliance achieved3 linked violations
February 16, 1982State Unresolved2 linked violations

Contact

COGGON WATER DEPARTMENT

319-480-3203

COGGON, IA 52218