Is DANVILLE WATER SUPPLY required to publish a Consumer Confidence Report?

Yes. DANVILLE WATER SUPPLY 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 DANVILLE WATER SUPPLY’s next Consumer Confidence Report due?

DANVILLE WATER SUPPLY’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.

MUSCATINE, IA · Des Moines County

DANVILLE WATER SUPPLY Water System

Consumer Confidence Report status

DANVILLE WATER SUPPLY 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 DANVILLE WATER SUPPLY.

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): IA2915000
System type: Community Water System
Population served: 923
Service connections: 398
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

DANVILLE WATER SUPPLY is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 923 people from surface water.

As of August 1, 2026, its federal record holds 11 entries between 1979 and 2024, all of which EPA lists as closed.

Of the 11, 2 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 the Stage 1 Disinfectants and Disinfection Byproducts Rule, the Radionuclides and Revised Rad Rule, and inorganic chemicals.

Violation history

Treatment Technique (SWTR and GWR)
Health-based
Groundwater Rule
December 1, 2024 – December 31, 2024
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
November 1, 2023 – November 30, 2023
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2005 – September 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2005 – June 30, 2005
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2005 – March 31, 2005
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
October 1, 1983 – September 30, 1984
Archived
Maximum Contaminant Level Violation, Single Sample
Health-based
Gross Alpha, Excl. Radon and U
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)
October 1, 1981 – September 30, 1982
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
April 23, 1979 – April 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
December 1, 2024 – December 31, 2024	Treatment Technique (SWTR and GWR)	Groundwater Rule	Health-based	Resolved
November 1, 2023 – November 30, 2023	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2008 – June 30, 2008	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2005 – June 30, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2005 – March 31, 2005	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
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	Gross Alpha, Excl. Radon and U	Health-based	Archived
October 1, 1983 – September 30, 1984	Maximum Contaminant Level Violation, Single Sample	Combined Radium (-226 and -228)	Health-based	Archived
October 1, 1981 – September 30, 1982	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Archived
April 23, 1979 – April 22, 1980	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

January 1, 2025State Compliance achieved10 linked violations
December 9, 2024State Formal Notice of Violation issued4 linked violations
February 13, 2024State Compliance achieved4 linked violations
January 23, 2024State Formal Notice of Violation issued4 linked violations
January 23, 2024State Public Notification requested2 linked violations
May 14, 2015State Compliance achieved8 linked violations
October 2, 2014State Public Notification received11 linked violations
September 3, 2014State Public Notification requested4 linked violations
June 27, 2014State Public Notification received5 linked violations
May 28, 2014State Formal Notice of Violation issued8 linked violations
September 14, 2006State Compliance achieved3 linked violations
January 24, 2006State Public Notification requested5 linked violations
October 7, 2005State Public Notification received18 linked violations
July 5, 2005State Public Notification received18 linked violations
October 5, 2004State Formal Notice of Violation issued13 linked violations
November 13, 1989State Public Notification requested5 linked violations

Common questions

Is DANVILLE WATER SUPPLY required to publish a Consumer Confidence Report?: Yes. DANVILLE WATER SUPPLY 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 DANVILLE WATER SUPPLY’s next Consumer Confidence Report due?: DANVILLE WATER SUPPLY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does DANVILLE WATER SUPPLY have any open drinking water violations on record?: As of August 1, 2026, EPA's federal records show no open violations for DANVILLE WATER SUPPLY.
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

DANVILLE WATER SUPPLY

563-299-2214

MUSCATINE, IA 52761