PLYMOUTH, IA · Cerro Gordo County

PLYMOUTH WATER SUPPLY Water System

Current status

1 item on record is 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): IA1759048
System type: Community Water System
Population served: 378
Service connections: 175
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
July 25, 2025
Unaddressed
Lead Consumer Notice
—
Lead and Copper Rule
December 1, 2022 – February 17, 2023
Resolved
Monitoring, Regular
—
Simazine
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
Carbon tetrachloride
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
Ethylbenzene
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
CHLOROBENZENE
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
Styrene
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
Toluene
October 1, 2018 – September 30, 2024
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 2018 – September 30, 2024
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 25, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
December 1, 2022 – February 17, 2023	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	Simazine	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	Carbon tetrachloride	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	Ethylbenzene	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	CHLOROBENZENE	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	Styrene	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	Toluene	—	Resolved
October 1, 2018 – September 30, 2024	Monitoring, Regular	Pentachlorophenol	—	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

September 4, 2025State Formal Notice of Violation issued1 linked violation
January 13, 2025State Compliance achieved3 linked violations
January 13, 2025State Compliance achieved15 linked violations
January 13, 2025State Compliance achieved23 linked violations
January 13, 2025State Compliance achieved23 linked violations
November 20, 2024State Public Notification requested5 linked violations
November 20, 2024State Public Notification requested3 linked violations
November 20, 2024State Public Notification requested4 linked violations
November 20, 2024State Formal Notice of Violation issued4 linked violations
November 20, 2024State Formal Notice of Violation issued3 linked violations
November 20, 2024State Formal Notice of Violation issued3 linked violations
November 20, 2024State Formal Notice of Violation issued43 linked violations
November 20, 2024State Formal Notice of Violation issued2 linked violations
November 20, 2024State Formal Notice of Violation issued3 linked violations
November 20, 2024State Formal Notice of Violation issued3 linked violations
November 20, 2024State Public Notification requested3 linked violations
November 20, 2024State Formal Notice of Violation issued4 linked violations
November 20, 2024State Formal Notice of Violation issued23 linked violations
March 9, 1998State Formal Notice of Violation issued2 linked violations
July 13, 1988State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
July 13, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record

Contact

PLYMOUTH WATER SUPPLY

641-696-3363

PLYMOUTH, IA 50464