NEWTON, IA · Marshall County

GILMAN 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): IA6436087
System type: Community Water System
Population served: 582
Service connections: 249
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1999 – May 31, 1999
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1985 – September 30, 1986
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1985 – October 31, 1985
Archived
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
October 1, 1984 – October 31, 1984
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
October 1, 1983 – March 31, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Nitrate
January 11, 1983 – February 10, 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
May 1, 1999 – May 31, 1999	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 1985 – September 30, 1986	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
October 1, 1985 – October 31, 1985	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Archived
October 1, 1984 – October 31, 1984	Maximum Contaminant Level Violation, Average	Nitrate	Health-based	Resolved
October 1, 1983 – March 31, 1984	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived
January 11, 1983 – February 10, 1983	Maximum Contaminant Level Violation, Single Sample	Nitrate	Health-based	Archived

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

Enforcement actions

July 17, 1991State Public Notification requested2 linked violations
July 17, 1991State Public Notification requested3 linked violations
January 4, 1989State Compliance achieved3 linked violations
October 1, 1984State Public Notification requested1 linked violation
October 1, 1984State Formal Notice of Violation issued2 linked violations
October 1, 1984State Formal Notice of Violation issued4 linked violations

Contact

GILMAN WATER SUPPLY

641-521-0741

NEWTON, IA 50208