Is LONE TREE MUNI WATER SYSTEM required to publish a Consumer Confidence Report?

Yes. LONE TREE MUNI WATER SYSTEM 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 LONE TREE MUNI WATER SYSTEM’s next Consumer Confidence Report due?

LONE TREE MUNI WATER SYSTEM’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 · Johnson County

LONE TREE MUNI WATER SYSTEM Water System

Consumer Confidence Report status

LONE TREE MUNI WATER SYSTEM 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 LONE TREE MUNI WATER SYSTEM.

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): IA5240095
System type: Community Water System
Population served: 1,357
Service connections: 510
Ownership: local government
Water source: groundwater (wells)

LONE TREE MUNI WATER SYSTEM is one of 403 community water systems in Iowa in the 501 to 3,300 people size category, serving 1,357 people from groundwater.

As of August 1, 2026, its federal record holds 12 entries between 1988 and 2025, all of which EPA lists as closed.

Of the 12, 10 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 Lead and Copper Rule, and the Total Coliform Rules.

Violation history

Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
January 1, 2025 – March 3, 2025
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
August 1, 2024 – August 31, 2024
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 1, 2021 – March 24, 2022
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
June 1, 2009 – August 17, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2007 – August 31, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2002 – June 27, 2002
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 1990 – April 8, 1991
Resolved
Monitoring, Regular
—
Fluoride
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Chromium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Barium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Mercury
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Selenium
April 1, 1988 – March 31, 1991
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025 – March 3, 2025	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2024 – August 31, 2024	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
December 1, 2021 – March 24, 2022	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
June 1, 2009 – August 17, 2012	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
August 1, 2007 – August 31, 2007	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
January 1, 2002 – June 27, 2002	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 1990 – April 8, 1991	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Fluoride	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Chromium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Barium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Mercury	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Selenium	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 13, 2025State Compliance achieved3 linked violations
August 13, 2025State Compliance achieved3 linked violations
March 24, 2022State Compliance achieved3 linked violations
March 24, 2022State Compliance achieved1 linked violation
August 17, 2012State Compliance achieved3 linked violations
December 2, 2011State Bilateral Compliance Agreement signed1 linked violation
November 18, 2011State Formal Notice of Violation issued1 linked violation
November 18, 2011State Public Notification requested1 linked violation
September 27, 2007State Public Notification received3 linked violations
August 27, 2007State Public Notification requested4 linked violations
June 27, 2002State Compliance achieved2 linked violations
February 19, 2002State Bilateral Compliance Agreement signed2 linked violations
January 25, 2002State Formal Notice of Violation issued1 linked violation
January 25, 2002State Public Notification requested1 linked violation
December 28, 2000State Compliance achieved1 linked violation
December 28, 2000State Compliance achieved1 linked violation
August 30, 2000State Formal Notice of Violation issued1 linked violation
August 28, 2000State Public Notification requested1 linked violation
August 28, 2000State Formal Notice of Violation issued2 linked violations
April 8, 1991State Compliance achieved11 linked violations
April 8, 1991State Compliance achieved1 linked violation
April 8, 1991State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 8, 1991State Compliance achieved2 linked violations

Common questions

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

LONE TREE MUNI WATER SYSTEM

573-434-2638

MUSCATINE, IA 52761