LAKE FOREST, IL · LaSalle County

OTTAWA ESTATES MHP (FORMERLY DATTIS MHP) Water System

Current status

No open violations on record as of July 4, 2026.

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 Illinois’s official records. Always confirm current status with Illinois before making decisions based on this information.

System facts

System ID (PWSID): IL0995225
System type: Community Water System
Population served: 70
Service connections: 50
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2017 – January 16, 2018
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2012 – June 7, 2012
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
April 1, 2012 – April 30, 2012
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 2008 – December 31, 2008
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
November 1, 2008 – November 30, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 1998 – May 31, 1998
Archived
Public Education
Health-based
Lead and Copper Rule
January 1, 1998 – February 3, 1999
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
January 12, 1995 – March 29, 2000
Resolved
Water Quality Parameter M/R
—
Lead and Copper Rule
January 1, 1994 – June 30, 1994
Resolved

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 30, 2017 – January 16, 2018	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
April 1, 2012 – June 7, 2012	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2012 – April 30, 2012	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
December 1, 2008 – December 31, 2008	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
November 1, 2008 – November 30, 2008	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 1998 – May 31, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1998 – February 3, 1999	Public Education	Lead and Copper Rule	Health-based	Resolved
January 12, 1995 – March 29, 2000	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
January 1, 1994 – June 30, 1994	Water Quality Parameter M/R	Lead and Copper Rule	—	Resolved

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

January 16, 2018State Compliance achieved1 linked violation
January 2, 2018State Violation/Reminder Notice1 linked violation
June 7, 2012State Compliance achieved2 linked violations
May 23, 2012State Public Notification received2 linked violations
May 15, 2012State Public Notification requested1 linked violation
May 15, 2012State Public Notification requested1 linked violation
May 15, 2012State Violation/Reminder Notice1 linked violation
May 15, 2012State Violation/Reminder Notice1 linked violation
December 28, 2009State Public Notification received1 linked violation
July 1, 2009State Compliance achieved3 linked violations
March 26, 2009State Bilateral Compliance Agreement signed3 linked violations
January 30, 2009State Formal Notice of Violation issued3 linked violations
January 14, 2009State Public Notification requested1 linked violation
January 14, 2009State Violation/Reminder Notice1 linked violation
January 13, 2009State Violation/Reminder Notice1 linked violation
January 7, 2009State Compliance achieved1 linked violation
January 7, 2009State Public Notification received2 linked violations
December 16, 2008State Violation/Reminder Notice1 linked violation
December 16, 2008State Public Notification requested1 linked violation
December 1, 2008State Public Notification requested1 linked violation
December 1, 2008State Violation/Reminder Notice1 linked violation
February 18, 1999State Violation/Reminder Notice1 linked violation
February 18, 1999State Public Notification requested1 linked violation
February 3, 1999State Compliance achieved1 linked violation
July 15, 1998State Violation/Reminder Notice1 linked violation
July 15, 1998State Public Notification requested1 linked violation
July 1, 1995State Compliance achieved1 linked violation
December 8, 1992State Public Notification received1 linked violation
June 29, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
August 9, 1989State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 29, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

MCCLELLAND, KATIE

815-343-0381

LAKE FOREST, IL 60045