MERRILL, IA · Plymouth County

MERRILL MUNICIPAL 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): IA7548072
System type: Community Water System
Population served: 717
Service connections: 360
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
April 1, 2021 – March 31, 2022
Resolved
Monitoring, Regular
—
Beryllium, Total
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
CYANIDE
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Arsenic
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Barium
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Cadmium
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Chromium
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Fluoride
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Mercury
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Thallium, Total
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Selenium
April 1, 2013 – March 31, 2022
Resolved
Monitoring, Regular
—
Benzene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Pentachlorophenol
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Picloram
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Styrene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
Toluene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 1995 – March 31, 2000
Resolved
Monitoring, Check/Repeat/Confirmation
—
Nitrate
October 1, 1987 – December 31, 1987
Resolved
Monitoring, Regular
—
Nitrate
July 1, 1987 – June 30, 1990
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Selenium
October 1, 1981 – September 30, 1982
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
April 1, 2021 – March 31, 2022	Monitoring, Regular	Nitrate	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Beryllium, Total	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	CYANIDE	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Arsenic	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Barium	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Cadmium	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Chromium	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Fluoride	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Mercury	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Thallium, Total	—	Resolved
April 1, 2013 – March 31, 2022	Monitoring, Regular	Selenium	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Benzene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Pentachlorophenol	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Picloram	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Styrene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	Toluene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 1995 – March 31, 2000	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
October 1, 1987 – December 31, 1987	Monitoring, Check/Repeat/Confirmation	Nitrate	—	Resolved
July 1, 1987 – June 30, 1990	Monitoring, Regular	Nitrate	—	Resolved
October 1, 1981 – September 30, 1982	Maximum Contaminant Level Violation, Average	Selenium	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

May 21, 2023State Public Notification received3 linked violations
May 21, 2023State Public Notification received1 linked violation
May 21, 2023State Public Notification received5 linked violations
May 21, 2023State Public Notification received2 linked violations
April 24, 2023State Public Notification received3 linked violations
April 24, 2023State Public Notification received4 linked violations
April 24, 2023State Public Notification received2 linked violations
April 24, 2023State Public Notification received5 linked violations
April 24, 2023State Public Notification received3 linked violations
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued2 linked violations
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued4 linked violations
May 18, 2022State Public Notification requested2 linked violations
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
May 18, 2022State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
May 18, 2022State Formal Notice of Violation issued1 linked violation
May 18, 2022State Public Notification requested1 linked violation
April 27, 2022State Public Notification received1 linked violation
April 27, 2022State Public Notification received1 linked violation
April 18, 2022State Compliance achieved2 linked violations
April 18, 2022State Public Notification requested1 linked violation
April 18, 2022State Formal Notice of Violation issued1 linked violation
April 18, 2022State Public Notification requested1 linked violation
April 18, 2022State Formal Notice of Violation issued1 linked violation
April 18, 2022State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved1 linked violation
April 18, 2022State Compliance achieved2 linked violations
May 29, 2003State Compliance achieved3 linked violations
August 8, 2000State Public Notification received25 linked violations
August 8, 2000State Public Notification received3 linked violations
August 8, 2000State Public Notification received25 linked violations
August 8, 2000State Public Notification received4 linked violations
August 8, 2000State Public Notification received6 linked violations
August 8, 2000State Public Notification received8 linked violations
August 8, 2000State Public Notification received8 linked violations
August 8, 2000State Public Notification received5 linked violations
August 8, 2000State Public Notification received26 linked violations
June 19, 2000State Compliance achieved6 linked violations
June 19, 2000State Compliance achieved5 linked violations
June 19, 2000State Compliance achieved4 linked violations
June 19, 2000State Compliance achieved4 linked violations
May 17, 2000State Formal Notice of Violation issued7 linked violations
May 17, 2000State Formal Notice of Violation issued5 linked violations
May 17, 2000State Formal Notice of Violation issued8 linked violations
May 17, 2000State Formal Notice of Violation issued3 linked violations
May 17, 2000State Public Notification requested6 linked violations
May 17, 2000State Public Notification requested6 linked violations
May 17, 2000State Public Notification requested5 linked violations
May 17, 2000State Public Notification requested6 linked violations
August 23, 1995State Public Notification received5 linked violations
July 28, 1995State Public Notification requested3 linked violations
October 16, 1990State Compliance achieved1 linked violation
October 16, 1990State Formal Notice of Violation issued1 linked violation
October 16, 1990State Formal Notice of Violation issued2 linked violations
June 25, 1990State Public Notification requested1 linked violation
May 14, 1990State Compliance achieved1 linked violation
May 14, 1990State Compliance achievedgeneral compliance action — not tied to a specific violation on record
March 18, 1988State Compliance achieved2 linked violations
December 31, 1987State Formal Notice of Violation issued2 linked violations
September 4, 1987State Formal Notice of Violation issued3 linked violations

Contact

MERRILL MUNICIPAL WATER SUPPLY

712-938-2514

MERRILL, IA 51038