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

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

LESTER 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.

LESTER, IA · Lyon County

LESTER WATER SUPPLY Water System

Consumer Confidence Report status

LESTER 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 LESTER 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): IA6055077
System type: Community Water System
Population served: 296
Service connections: 112
Ownership: local government
Water source: groundwater (wells)

LESTER WATER SUPPLY is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, serving 296 people from groundwater.

As of August 1, 2026, its federal record holds 3 entries between 1979 and 2009, all of which EPA lists as closed. Nothing has been added since 2009.

Of the 3, 1 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 Total Coliform Rules, the Radionuclides and Revised Rad Rule, and inorganic chemicals.

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Uranium
October 1, 2003 – December 31, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Nitrate
September 5, 1979 – May 4, 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
March 1, 2009 – March 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2003 – December 31, 2003	Maximum Contaminant Level Violation, Average	Combined Uranium	Health-based	Resolved
September 5, 1979 – May 4, 1980	Maximum Contaminant Level Violation, Average	Nitrate	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 5, 2018State Public Notification received3 linked violations
December 18, 2017State Formal Notice of Violation issued4 linked violations
October 25, 2016State Public Notification requested15 linked violations
August 15, 2005State Compliance achieved1 linked violation
August 15, 2005State Compliance achieved3 linked violations
February 7, 2005State Public Notification received3 linked violations
May 12, 2004State Bilateral Compliance Agreement signed5 linked violations
May 12, 2004State Bilateral Compliance Agreement signed10 linked violations
April 26, 2004State Public Notification received4 linked violations
January 26, 2004State Compliance achieved2 linked violations
March 27, 1997State Compliance achieved2 linked violations
March 27, 1997State Compliance achieved2 linked violations
March 24, 1997State Compliance achieved2 linked violations
March 24, 1997State Compliance achieved2 linked violations
December 12, 1996State Public Notification requested1 linked violation
December 12, 1996State Formal Notice of Violation issued4 linked violations
December 12, 1996State Formal Notice of Violation issued4 linked violations
December 12, 1996State Formal Notice of Violation issued1 linked violation
November 23, 1988State Public Notification requested1 linked violation
July 5, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 5, 1988State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 28, 1988State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Common questions

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

LESTER WATER SUPPLY

712-478-4000

LESTER, IA 51242