MUSCATINE, IA · Johnson County

LONE TREE MUNI WATER SYSTEM Water System

Current status

1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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

Violation history

Sample Siting Plan Errors (RTCR)
—
Revised Total Coliform Rule
January 1, 2025
Unaddressed
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
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
—
Selenium
April 1, 1988 – March 31, 1991
Resolved
Monitoring, Regular
—
Mercury
April 1, 1988 – March 31, 1991
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2025	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	—	Unaddressed
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
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	Selenium	—	Resolved
April 1, 1988 – March 31, 1991	Monitoring, Regular	Mercury	—	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

February 5, 2025State Formal Notice of Violation issued3 linked violations
October 31, 2024State Public Notification requested3 linked violations
October 31, 2024State Formal Notice of Violation issued3 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
August 27, 2007State Public Notification requested4 linked violations
August 27, 2007State Formal Notice of Violation issued4 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
April 8, 1991State Compliance achieved11 linked violations
April 8, 1991State Compliance achieved1 linked violation
April 8, 1991State Compliance achieved2 linked violations
April 8, 1991State Compliance achievedgeneral compliance action — not tied to a specific violation on record
April 8, 1991State Compliance achieved3 linked violations

Contact

LONE TREE MUNI WATER SYSTEM

573-434-2638

MUSCATINE, IA 52761