MARATHON, IA · Buena Vista County

MARATHON LIGHT & 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): IA1150030
System type: Community Water System
Population served: 230
Service connections: 120
Ownership: local government
Water source: groundwater (wells)

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2007 – March 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2006 – September 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2006 – June 30, 2006
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
April 1, 1988 – June 28, 1988
Resolved
Monitoring, Regular
—
Selenium
July 1, 1985 – June 28, 1988
Resolved
Monitoring, Regular
—
Cadmium
July 1, 1985 – June 28, 1988
Resolved
Monitoring, Regular
—
Barium
July 1, 1985 – June 28, 1988
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2007 – March 31, 2007	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 1988 – June 28, 1988	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 1985 – June 28, 1988	Monitoring, Regular	Selenium	—	Resolved
July 1, 1985 – June 28, 1988	Monitoring, Regular	Cadmium	—	Resolved
July 1, 1985 – June 28, 1988	Monitoring, Regular	Barium	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

September 7, 2006State Public Notification requested5 linked violations
September 7, 2006State Formal Notice of Violation issued29 linked violations
August 23, 2006State Public Notification received7 linked violations
July 18, 2006State Public Notification requested5 linked violations
January 30, 1997State Compliance achieved1 linked violation
January 24, 1997State Formal Notice of Violation issued1 linked violation
May 29, 1996State Compliance achieved3 linked violations
March 12, 1993State Public Notification requested3 linked violations
January 6, 1993State Public Notification received2 linked violations
December 22, 1992State Formal Notice of Violation issued3 linked violations
December 22, 1992State Public Notification requested4 linked violations
October 26, 1990State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
October 12, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
October 12, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 12, 1990State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 25, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 28, 1988State Compliance achieved21 linked violations
June 28, 1988State Compliance achieved1 linked violation
June 28, 1988State Compliance achieved1 linked violation
June 28, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 28, 1988State Compliance achieved1 linked violation

Contact

MARATHON LIGHT & WATER DEPARTMENT

712-289-2261

MARATHON, IA 50565