FLAGSTAFF, IL · Lake County

HOLLY HOCK HILL 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): IL0975245
System type: Community Water System
Population served: 47
Service connections: 29
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Toxaphene
January 1, 2023 – December 31, 2025
Archived
Monitoring, Regular
—
Chlordane
January 1, 2023 – December 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
May 23, 2022 – May 24, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2021 – September 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2021 – May 10, 2021
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2020 – November 30, 2020
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2020 – May 19, 2020
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2020 – March 31, 2020
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2010 – June 30, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
May 1, 2010 – May 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2010 – June 30, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2010 – February 18, 2010
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 2010 – January 31, 2010
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2009 – December 31, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2009 – June 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2009 – March 31, 2009
Resolved
Monitoring, Repeat Minor (TCR)
—
Coliform (TCR)
February 1, 2009 – February 28, 2009
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2009 – March 31, 2009
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
February 18, 2005 – August 3, 2005
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
February 18, 2005 – August 3, 2005
Resolved
Monitoring, Regular
—
OXAMYL
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Simazine
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Picloram
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Dinoseb
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Aldicarb sulfone
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Aldicarb
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
BHC-GAMMA
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Methoxychlor
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Toxaphene
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Carbofuran
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Atrazine
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
LASSO
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Heptachlor
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Heptachlor epoxide
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
2,4-D
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
2,4,5-TP
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Pentachlorophenol
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Chlordane
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Endrin
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Dalapon
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Diquat
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Endothall
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
July 1, 1999 – September 30, 1999
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1998 – December 31, 1998
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1998 – October 31, 1998
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
October 1, 1994 – October 31, 1994
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
August 1, 1994 – August 31, 1994
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
February 1, 1993 – February 28, 1993
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 1991 – June 30, 1991
Archived

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

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2023 – December 31, 2025	Monitoring, Regular	Toxaphene	—	Archived
January 1, 2023 – December 31, 2025	Monitoring, Regular	Chlordane	—	Archived
May 23, 2022 – May 24, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
July 1, 2021 – September 30, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2021 – May 10, 2021	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2020 – November 30, 2020	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2020 – May 19, 2020	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2020 – March 31, 2020	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2010 – June 30, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2010 – May 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2010 – June 30, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2010 – February 18, 2010	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
January 1, 2010 – January 31, 2010	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2009 – December 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2009 – June 30, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
March 1, 2009 – March 31, 2009	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
February 1, 2009 – February 28, 2009	Monitoring, Repeat Minor (TCR)	Coliform (TCR)	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
February 18, 2005 – August 3, 2005	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
February 18, 2005 – August 3, 2005	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	OXAMYL	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Simazine	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Picloram	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Dinoseb	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Aldicarb sulfone	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Aldicarb	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	BHC-GAMMA	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Methoxychlor	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Toxaphene	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Carbofuran	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Atrazine	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	LASSO	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Heptachlor	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Heptachlor epoxide	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	2,4-D	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	2,4,5-TP	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Pentachlorophenol	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Chlordane	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Endrin	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Dalapon	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Diquat	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Endothall	—	Resolved
July 1, 1999 – September 30, 1999	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
December 1, 1998 – December 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
October 1, 1998 – October 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
October 1, 1994 – October 31, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
August 1, 1994 – August 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
February 1, 1993 – February 28, 1993	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
June 1, 1991 – June 30, 1991	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived

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

Enforcement actions

June 14, 2022State Violation/Reminder Notice1 linked violation
May 24, 2022State Compliance achieved1 linked violation
May 24, 2022State Public Notification received1 linked violation
May 24, 2022State Public Notification received1 linked violation
October 5, 2021State Compliance achieved1 linked violation
September 27, 2021State Public Notification requested1 linked violation
September 27, 2021State Violation/Reminder Notice1 linked violation
July 14, 2021State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 12, 2021State Public Notification requested1 linked violation
May 12, 2021State Violation/Reminder Notice1 linked violation
May 10, 2021State Compliance achieved1 linked violation
November 30, 2020State Compliance achieved1 linked violation
November 17, 2020State Violation/Reminder Notice1 linked violation
May 19, 2020State Compliance achieved2 linked violations
May 13, 2020State Violation/Reminder Notice1 linked violation
April 14, 2020State Violation/Reminder Notice1 linked violation
July 28, 2010State Compliance achieved2 linked violations
July 16, 2010State Violation/Reminder Notice1 linked violation
July 16, 2010State Violation/Reminder Notice1 linked violation
June 24, 2010State Compliance achieved1 linked violation
June 24, 2010State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 16, 2010State Violation/Reminder Notice1 linked violation
February 18, 2010State Compliance achieved1 linked violation
February 18, 2010State Compliance achieved2 linked violations
February 16, 2010State Violation/Reminder Notice1 linked violation
February 16, 2010State Violation/Reminder Notice1 linked violation
January 28, 2010State Public Notification received3 linked violations
January 12, 2010State Violation/Reminder Notice1 linked violation
January 12, 2010State Public Notification requested1 linked violation
January 1, 2010State Compliance achieved3 linked violations
July 24, 2009State Compliance achieved1 linked violation
July 14, 2009State Violation/Reminder Notice1 linked violation
July 14, 2009State Violation/Reminder Notice1 linked violation
April 21, 2009State Compliance achieved1 linked violation
April 14, 2009State Violation/Reminder Notice1 linked violation
April 14, 2009State Public Notification requested1 linked violation
April 14, 2009State Violation/Reminder Notice1 linked violation
April 14, 2009State Public Notification requested1 linked violation
April 4, 2009State Public Notification received1 linked violation
March 12, 2009State Violation/Reminder Notice1 linked violation
March 12, 2009State Public Notification requested1 linked violation
August 15, 2005State Bilateral Compliance Agreement signed2 linked violations
August 3, 2005State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
August 3, 2005State Compliance achieved2 linked violations
July 13, 2005State Formal Notice of Violation issued2 linked violations
April 18, 2005State Violation/Reminder Notice1 linked violation
April 6, 2005State Violation/Reminder Notice1 linked violation
February 18, 2004State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
February 18, 2004State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
January 30, 2004State Compliance achievedgeneral compliance action — not tied to a specific violation on record
December 27, 1999State Compliance achieved31 linked violations
November 18, 1999State Public Notification requested31 linked violations
November 18, 1999State Violation/Reminder Notice31 linked violations
February 15, 1999State Public Notification requested1 linked violation
February 15, 1999State Violation/Reminder Notice1 linked violation
December 15, 1998State Violation/Reminder Notice1 linked violation
December 15, 1998State Public Notification requested1 linked violation
July 15, 1998State Public Notification requested2 linked violations
July 15, 1998State Violation/Reminder Notice2 linked violations
March 19, 1998State Violation/Reminder Notice1 linked violation
March 19, 1998State Public Notification requested1 linked violation
August 17, 1996State Public Notification requested1 linked violation
August 17, 1996State Violation/Reminder Notice1 linked violation
August 19, 1995State Violation/Reminder Notice1 linked violation
August 19, 1995State Public Notification requested1 linked violation
December 17, 1994State Violation/Reminder Notice1 linked violation
December 17, 1994State Public Notification requested1 linked violation
October 15, 1994State Violation/Reminder Notice1 linked violation
October 15, 1994State Public Notification requested1 linked violation
September 8, 1994State Public Notification received1 linked violation
September 8, 1994State Public Notification received2 linked violations
March 25, 1993State Violation/Reminder Notice1 linked violation
March 25, 1993State Public Notification requested1 linked violation
March 15, 1993State Public Notification received1 linked violation
July 27, 1991State Public Notification requested2 linked violations
July 27, 1991State Violation/Reminder Notice2 linked violations
July 19, 1991State Public Notification received2 linked violations
December 29, 1990State Public Notification requested1 linked violation
December 29, 1990State Violation/Reminder Notice1 linked violation
December 1, 1990State Violation/Reminder Notice1 linked violation
October 27, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 27, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 31, 1990State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
June 2, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
June 2, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 2, 1990State Public Notification issuedgeneral compliance action — not tied to a specific violation on record
March 4, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
March 4, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record

Contact

SWAN, JAY

602-942-2060

FLAGSTAFF, AZ 86002