Is OTTAWA ESTATES MHP (FORMERLY DATTIS MHP) required to publish a Consumer Confidence Report?

Yes. OTTAWA ESTATES MHP (FORMERLY DATTIS MHP) 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 OTTAWA ESTATES MHP (FORMERLY DATTIS MHP)’s next Consumer Confidence Report due?

OTTAWA ESTATES MHP (FORMERLY DATTIS MHP)’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.

LAKE FOREST, IL · LaSalle County

OTTAWA ESTATES MHP (FORMERLY DATTIS MHP) Water System

Consumer Confidence Report status

OTTAWA ESTATES MHP (FORMERLY DATTIS MHP) 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 OTTAWA ESTATES MHP (FORMERLY DATTIS MHP).

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 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: 125
Service connections: 50
Ownership: privately owned
Water source: groundwater (wells)

OTTAWA ESTATES MHP (FORMERLY DATTIS MHP) is one of 1,572 community water systems in Illinois in the 500 or fewer people size category, serving 125 people from groundwater.

As of August 1, 2026, its federal record holds 10 entries between 1991 and 2017, all of which EPA lists as closed. Nothing has been added since 2017.

Of the 10, 5 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 Lead and Copper Rule, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.

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, Monthly (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
August 1, 1995 – March 29, 2000
Resolved
OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
January 12, 1995 – March 29, 2000
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1991 – June 30, 1991
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 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, Monthly (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
August 1, 1995 – March 29, 2000	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
January 12, 1995 – March 29, 2000	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
June 1, 1991 – June 30, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	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 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 Violation/Reminder Notice1 linked violation
January 14, 2009State Public Notification requested1 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 Public Notification requested1 linked violation
July 15, 1998State Violation/Reminder Notice1 linked violation
July 1, 1995State Compliance achieved1 linked violation
December 8, 1992State Public Notification received1 linked violation
November 28, 1992State Violation/Reminder Notice2 linked violations
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

Common questions

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

MCCLELLAND, KATIE

815-343-0381

LAKE FOREST, IL 60045