Is DONNELLSON MUNI WATER WORKS required to publish a Consumer Confidence Report?

Yes. DONNELLSON MUNI WATER WORKS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is DONNELLSON MUNI WATER WORKS’s next Consumer Confidence Report due?

DONNELLSON MUNI WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

DONNELLSON, IA · Lee County

DONNELLSON MUNI WATER WORKS Water System

Consumer Confidence Report status

DONNELLSON MUNI WATER WORKS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for DONNELLSON MUNI WATER WORKS.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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): IA5620046
System type: Community Water System
Population served: 885
Service connections: 430
Ownership: local government
Water source: groundwater (wells)

DONNELLSON MUNI WATER WORKS is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 885 people from groundwater.

As of August 1, 2026, its federal record holds 20 entries between 1980 and 2019, all of which EPA lists as closed. Nothing has been added since 2019.

Of the 20, 6 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Radionuclides and Revised Rad Rule, and the Public Notice Rule and Revised PN Rule.

Violation history

Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
April 1, 2019 – June 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2019 – March 31, 2019
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 24, 2017 – June 30, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
April 1, 2017 – April 12, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2017 – March 31, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
October 27, 2016 – July 1, 2017
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
September 6, 2016 – July 1, 2017
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Gross Alpha, Excl. Radon and U
January 1, 2016 – March 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2015 – December 31, 2015
Resolved
Monitoring, Regular
—
LASSO
April 1, 2002 – June 30, 2002
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
May 1, 1996 – May 31, 1996
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 1988 – July 26, 1989
Resolved
Monitoring, Regular
—
Barium
April 1, 1986 – March 31, 1989
Resolved
Monitoring, Regular
—
Cadmium
April 1, 1986 – March 31, 1989
Resolved
Monitoring, Regular
—
Chromium
April 1, 1986 – March 31, 1989
Resolved
Monitoring, Regular
—
Nitrate
April 1, 1986 – March 31, 1989
Resolved
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
Fluoride
July 26, 1983 – August 25, 1983
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
January 16, 1980 – January 15, 1981
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, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
April 24, 2017 – June 30, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2017 – April 12, 2019	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2017 – March 31, 2017	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 27, 2016 – July 1, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
September 6, 2016 – July 1, 2017	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2016 – March 31, 2016	Maximum Contaminant Level Violation, Average	Gross Alpha, Excl. Radon and U	Health-based	Resolved
October 1, 2015 – December 31, 2015	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
April 1, 2002 – June 30, 2002	Monitoring, Regular	LASSO	—	Resolved
May 1, 1996 – May 31, 1996	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Resolved
October 1, 1988 – July 26, 1989	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 1986 – March 31, 1989	Monitoring, Regular	Barium	—	Resolved
April 1, 1986 – March 31, 1989	Monitoring, Regular	Cadmium	—	Resolved
April 1, 1986 – March 31, 1989	Monitoring, Regular	Chromium	—	Resolved
April 1, 1986 – March 31, 1989	Monitoring, Regular	Nitrate	—	Resolved
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
July 26, 1983 – August 25, 1983	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Archived
January 16, 1980 – January 15, 1981	Maximum Contaminant Level Violation, Average	Fluoride	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 16, 2020State Public Notification received3 linked violations
September 5, 2019State Compliance achieved2 linked violations
August 15, 2019State Formal Notice of Violation issued2 linked violations
March 29, 2019State Formal Notice of Violation issued1 linked violation
March 29, 2019State Public Notification requested2 linked violations
September 19, 2017State Intentional no-action1 linked violation
September 19, 2017State Violation/Reminder Notice1 linked violation
September 19, 2017State Formal Notice of Violation issued1 linked violation
September 19, 2017State Formal Notice of Violation issued1 linked violation
September 19, 2017State Violation/Reminder Notice1 linked violation
September 19, 2017State Intentional no-action1 linked violation
July 1, 2017State Compliance achieved1 linked violation
July 1, 2017State Compliance achieved1 linked violation
July 1, 2017State Compliance achieved1 linked violation
July 1, 2017State Public Notification received1 linked violation
July 1, 2017State Public Notification received1 linked violation
July 1, 2017State Public Notification received1 linked violation
July 1, 2017State Compliance achieved2 linked violations
July 1, 2017State Compliance achieved2 linked violations
July 1, 2017State Compliance achieved2 linked violations
June 30, 2017State Public Notification issued1 linked violation
June 30, 2017State Compliance achieved2 linked violations
June 30, 2017State Public Notification issued1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
May 3, 2017State Compliance achieved1 linked violation
April 23, 2017State Public Notification requested1 linked violation
March 22, 2017State Violation/Reminder Notice2 linked violations
March 22, 2017State Formal Notice of Violation issued1 linked violation
March 22, 2017State Violation/Reminder Notice1 linked violation
March 22, 2017State Intentional no-action1 linked violation
March 22, 2017State Formal Notice of Violation issued1 linked violation
March 22, 2017State Violation/Reminder Notice1 linked violation
March 22, 2017State Formal Notice of Violation issued1 linked violation
March 22, 2017State Intentional no-action1 linked violation
March 22, 2017State Violation/Reminder Notice2 linked violations
March 21, 2017State Public Notification requested2 linked violations
January 5, 2017State Formal Notice of Violation issued1 linked violation
January 5, 2017State Public Notification requested1 linked violation
January 4, 2017State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 19, 2016State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
September 23, 2016State Formal Notice of Violation issued1 linked violation
August 3, 2016State Formal Notice of Violation issued2 linked violations
July 28, 2016State Public Notification requested2 linked violations
July 19, 2016State Public Notification received2 linked violations
June 14, 2016State Public Notification requested2 linked violations
May 3, 2016State Compliance achieved1 linked violation
February 16, 2016State Public Notification received3 linked violations
January 11, 2016State Formal Notice of Violation issued37 linked violations
September 15, 2004State Violation/Reminder Notice3 linked violations
July 15, 2002State Compliance achieved31 linked violations
November 26, 2001State Compliance achieved30 linked violations
July 27, 2001State Formal Notice of Violation issued5 linked violations
March 2, 1998State Compliance achieved1 linked violation
September 2, 1997State Public Notification requested1 linked violation
September 2, 1997State Formal Notice of Violation issued2 linked violations
February 4, 1997State Compliance achieved5 linked violations
July 25, 1996State Public Notification requested4 linked violations
July 25, 1996State Public Notification requested3 linked violations
March 25, 1996State Public Notification requested2 linked violations
March 25, 1996State Public Notification requested2 linked violations
August 4, 1989State Administrative/Compliance Order without penalty issued1 linked violation
August 4, 1989State Administrative/Compliance Order without penalty issued1 linked violation
August 4, 1989State Administrative/Compliance Order without penalty issued2 linked violations
August 4, 1989State Administrative/Compliance Order without penalty issued7 linked violations
August 4, 1989State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
July 26, 1989State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 26, 1989State Compliance achieved1 linked violation

Common questions

Is DONNELLSON MUNI WATER WORKS required to publish a Consumer Confidence Report?: Yes. DONNELLSON MUNI WATER WORKS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is DONNELLSON MUNI WATER WORKS’s next Consumer Confidence Report due?: DONNELLSON MUNI WATER WORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DONNELLSON MUNI WATER WORKS have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for DONNELLSON MUNI WATER WORKS.
What is a Consumer Confidence Report?: A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

DONNELLSON MUNI WATER WORKS

319-470-4988

DONNELLSON, IA 52625