HAMPSHIRE, IL · Kane County

HAMPSHIRE 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): IL0890450
System type: Community Water System
Population served: 7,758
Service connections: 3,073
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Barium
July 1, 2024 – September 30, 2024
Resolved
Monitoring, Regular
—
Barium
July 1, 2023 – September 30, 2023
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2016 – December 31, 2016
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2016 – September 30, 2016
Resolved
Public Notification Violation without NPDWR Violation
—
Public Notice
July 11, 2006 – August 31, 2006
Resolved
Public Notification Violation for NPDWR Violation
—
Public Notice
July 11, 2006 – August 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2006 – June 30, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
July 1, 2005 – September 30, 2005
Resolved
Monitoring, Regular
—
Barium
January 1, 2003 – March 31, 2003
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
April 1, 1995 – June 30, 1995
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
July 1, 1994 – August 4, 1994
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
June 1, 1988 – May 31, 1991
Archived
Maximum Contaminant Level Violation, Average
Health-based
Barium
June 1, 1986 – February 19, 1987
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Barium
June 1, 1983 – May 31, 1986
Archived
Maximum Contaminant Level Violation, Average
Health-based
Barium
June 1, 1980 – May 31, 1983
Archived
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
June 30, 1977 – June 29, 1981
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
July 1, 2024 – September 30, 2024	Monitoring, Regular	Barium	—	Resolved
July 1, 2023 – September 30, 2023	Monitoring, Regular	Barium	—	Resolved
October 1, 2016 – December 31, 2016	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2016 – September 30, 2016	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 11, 2006 – August 31, 2006	Public Notification Violation without NPDWR Violation	Public Notice	—	Resolved
July 11, 2006 – August 31, 2006	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2006 – June 30, 2006	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
July 1, 2005 – September 30, 2005	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2003 – March 31, 2003	Monitoring, Regular	Barium	—	Resolved
April 1, 1995 – June 30, 1995	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
July 1, 1994 – August 4, 1994	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
June 1, 1988 – May 31, 1991	Maximum Contaminant Level Violation, Average	Barium	Health-based	Archived
June 1, 1986 – February 19, 1987	Maximum Contaminant Level Violation, Average	Barium	Health-based	Resolved
June 1, 1983 – May 31, 1986	Maximum Contaminant Level Violation, Average	Barium	Health-based	Archived
June 1, 1980 – May 31, 1983	Maximum Contaminant Level Violation, Average	Barium	Health-based	Archived
June 30, 1977 – June 29, 1981	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Archived

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

Enforcement actions

August 26, 2025State Public Notification received1 linked violation
December 31, 2024State Compliance achieved1 linked violation
October 27, 2024State Compliance achieved1 linked violation
October 11, 2024State Public Notification requested1 linked violation
October 11, 2024State Violation/Reminder Notice1 linked violation
June 24, 2024State Public Notification received1 linked violation
October 11, 2023State Violation/Reminder Notice1 linked violation
October 11, 2023State Public Notification requested1 linked violation
September 1, 2017State Compliance achieved2 linked violations
February 23, 2017State Public Notification received1 linked violation
January 31, 2017State Bilateral Compliance Agreement signed2 linked violations
January 13, 2017State Public Notification requested1 linked violation
January 13, 2017State Violation/Reminder Notice1 linked violation
December 7, 2016State Public Notification received1 linked violation
November 22, 2016State Formal Notice of Violation issued2 linked violations
November 3, 2016State Public Notification requested1 linked violation
November 3, 2016State Violation/Reminder Notice1 linked violation
September 30, 2006State Public Notification received2 linked violations
September 5, 2006State Public Notification received2 linked violations
August 31, 2006State Compliance achieved2 linked violations
August 11, 2006State Violation/Reminder Notice2 linked violations
July 14, 2006State Compliance achieved4 linked violations
July 10, 2006State Violation/Reminder Notice1 linked violation
July 10, 2006State Public Notification requested1 linked violation
April 11, 2006State Violation/Reminder Notice1 linked violation
April 11, 2006State Public Notification requested1 linked violation
April 3, 2006State Public Notification received1 linked violation
February 23, 2006State Bilateral Compliance Agreement signed4 linked violations
January 19, 2006State Public Notification received1 linked violation
January 10, 2006State Violation/Reminder Notice1 linked violation
January 10, 2006State Public Notification requested1 linked violation
January 3, 2006State Formal Notice of Violation issued4 linked violations
December 15, 2005State Public Notification requested1 linked violation
December 15, 2005State Violation/Reminder Notice1 linked violation
May 22, 2003State Public Notification requested1 linked violation
August 1, 1995State Compliance achieved1 linked violation
July 1, 1995State Public Notification requested1 linked violation
July 1, 1995State Violation/Reminder Notice1 linked violation
August 4, 1994State Compliance achieved1 linked violation
July 22, 1994State Public Notification requested1 linked violation
July 22, 1994State Public Notification requested1 linked violation
July 22, 1994State Violation/Reminder Notice1 linked violation
July 22, 1994State Violation/Reminder Notice2 linked violations
May 3, 1993State Public Notification received2 linked violations
November 1, 1992State Public Notification received2 linked violations
September 17, 1992State Hook-up/Extension Ban2 linked violations
August 24, 1992State Public Notification received2 linked violations
June 4, 1992State Public Notification received11 linked violations
March 12, 1992State Public Notification requested3 linked violations
February 1, 1992State Public Notification received2 linked violations
November 1, 1991State Public Notification received3 linked violations
August 1, 1991State Public Notification received2 linked violations
May 16, 1991State Public Notification requested2 linked violations
May 1, 1991State Public Notification received2 linked violations
February 1, 1991State Public Notification received2 linked violations
November 1, 1990State Public Notification received2 linked violations
August 1, 1990State Public Notification received2 linked violations
May 1, 1990State Public Notification received2 linked violations
February 2, 1990State Public Notification received2 linked violations
November 13, 1989State Public Notification received2 linked violations
August 7, 1989State Public Notification received2 linked violations
May 5, 1989State Public Notification received2 linked violations
March 15, 1989State Public Notification received2 linked violations
March 7, 1989State Public Notification requested2 linked violations
November 16, 1988State Public Notification received2 linked violations
February 19, 1987State Compliance achieved1 linked violation

Contact

MONTGOMERY, MARK

847-683-2064

HAMPSHIRE, IL 60140