EARLHAM, IA · Madison County

EARLHAM MUNICIPAL WATERWORKS 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): IA6115097
System type: Community Water System
Population served: 1,446
Service connections: 520
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 1990 – December 23, 1991
Resolved
Monitoring, Regular
—
Arsenic
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Barium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Selenium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Chromium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Fluoride
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Cadmium
April 1, 1988 – March 31, 1991
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 1985 – September 30, 1986
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 1, 1984 – September 30, 1985
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 1, 1983 – September 30, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Combined Radium (-226 and -228)
October 1, 1983 – September 30, 1984
Archived
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 28, 1980 – October 27, 1980
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Combined Radium (-226 and -228)
January 1, 1980 – December 31, 1983
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 23, 1979 – January 22, 1980
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
October 1, 1990 – December 23, 1991	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Arsenic	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Barium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Selenium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Chromium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Fluoride	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Cadmium	—	Resolved
October 1, 1985 – September 30, 1986	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 1984 – September 30, 1985	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 1, 1983 – September 30, 1984	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
October 1, 1983 – September 30, 1984	Maximum Contaminant Level Violation, Single Sample	Combined Radium (-226 and -228)	Health-based	Archived
April 28, 1980 – October 27, 1980	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
January 1, 1980 – December 31, 1983	Maximum Contaminant Level Violation, Single Sample	Combined Radium (-226 and -228)	Health-based	Resolved
January 23, 1979 – January 22, 1980	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	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

February 4, 1992State Public Notification received4 linked violations
February 4, 1992State Public Notification received1 linked violation
February 4, 1992State Public Notification received2 linked violations
February 4, 1992State Public Notification received3 linked violations
February 4, 1992State Public Notification received2 linked violations
February 4, 1992State Public Notification received1 linked violation
January 16, 1992State Administrative/Compliance Order without penalty issued2 linked violations
January 16, 1992State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
January 16, 1992State Administrative/Compliance Order without penalty issued1 linked violation
January 16, 1992State Administrative/Compliance Order without penalty issued1 linked violation
January 16, 1992State Administrative/Compliance Order without penalty issued4 linked violations
January 16, 1992State Administrative/Compliance Order without penalty issued1 linked violation
December 23, 1991State Compliance achieved1 linked violation
December 12, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 12, 1991State Public Notification requested2 linked violations
December 12, 1991State Formal Notice of Violation issued2 linked violations
December 12, 1991State Public Notification requested1 linked violation
December 12, 1991State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 12, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
December 12, 1991State Formal Notice of Violation issued2 linked violations
December 12, 1991State Public Notification requested2 linked violations
December 12, 1991State Formal Notice of Violation issued3 linked violations
December 12, 1991State Formal Notice of Violation issued11 linked violations
December 12, 1991State Formal Notice of Violation issued1 linked violation
December 12, 1991State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
December 12, 1991State Formal Notice of Violation issued2 linked violations
December 12, 1991State Public Notification requested2 linked violations
December 12, 1991State Formal Notice of Violation issued4 linked violations
January 25, 1985State Bilateral Compliance Agreement signed2 linked violations
September 30, 1984Federal issued Formal Notice of Violation2 linked violations
February 15, 1984State Public Notification requested3 linked violations
February 15, 1984State Public Notification requested2 linked violations
February 15, 1984State Formal Notice of Violation issued2 linked violations

Contact

EARLHAM MUNICIPAL WATERWORKS

515-250-9558

EARLHAM, IA 50072