CHICAGO, IL · Grundy County

SHADY OAKS 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): IL0635225
System type: Community Water System
Population served: 912
Service connections: 365
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Notification, Known or Potential LSL
—
LEAD AND COPPER RULE REVISIONS
July 2, 2025 – December 18, 2025
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2025 – September 30, 2025
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
July 1, 2025 – September 11, 2025
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2020 – September 30, 2021
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2020 – September 30, 2021
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Simazine
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Picloram
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Aldicarb sulfone
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Aldicarb
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
LASSO
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Endrin
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Diquat
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Endothall
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2020 – December 31, 2022
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2020 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2019 – November 19, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2019 – October 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
August 1, 2019 – August 31, 2019
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2019 – September 24, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
April 1, 2004 – June 28, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
January 1, 2004 – March 31, 2004
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Combined Radium (-226 and -228)
October 1, 2003 – December 31, 2003
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
September 1, 1993 – September 30, 1993
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Toluene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Styrene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Carbon tetrachloride
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1992 – September 30, 1992
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
July 2, 2025 – December 18, 2025	Notification, Known or Potential LSL	LEAD AND COPPER RULE REVISIONS	—	Resolved
July 1, 2025 – September 30, 2025	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
July 1, 2025 – September 11, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
October 1, 2020 – September 30, 2021	Monitoring and Reporting (DBP)	TTHM	—	Resolved
October 1, 2020 – September 30, 2021	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Simazine	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Picloram	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb sulfone	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Aldicarb	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	LASSO	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endrin	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Diquat	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Endothall	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2020 – December 31, 2022	Monitoring, Regular	OXAMYL	—	Resolved
October 1, 2019 – November 19, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2019 – October 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
August 1, 2019 – August 31, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2019 – September 24, 2019	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
April 1, 2004 – June 28, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
January 1, 2004 – March 31, 2004	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
October 1, 2003 – December 31, 2003	Maximum Contaminant Level Violation, Average	Combined Radium (-226 and -228)	Health-based	Resolved
September 1, 1993 – September 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	CHLOROBENZENE	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Toluene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Styrene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Carbon tetrachloride	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved

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

Enforcement actions

December 18, 2025State Compliance achieved1 linked violation
December 9, 2025State Public Notification received1 linked violation
November 7, 2025State Compliance achieved1 linked violation
October 15, 2025State Public Notification requested1 linked violation
October 15, 2025State Violation/Reminder Notice1 linked violation
September 11, 2025State Compliance achieved1 linked violation
August 20, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Violation/Reminder Notice1 linked violation
July 3, 2025State Public Notification requested1 linked violation
July 10, 2023State Compliance achieved31 linked violations
May 24, 2023State Public Notification received31 linked violations
February 8, 2023State Public Notification requested31 linked violations
February 8, 2023State Violation/Reminder Notice31 linked violations
October 7, 2022State Compliance achieved2 linked violations
March 30, 2022State Public Notification received2 linked violations
October 25, 2021State Public Notification requested2 linked violations
October 25, 2021State Violation/Reminder Notice2 linked violations
June 16, 2020State Public Notification received2 linked violations
June 16, 2020State Public Notification received2 linked violations
June 15, 2020State Public Notification received2 linked violations
November 14, 2019State Violation/Reminder Notice2 linked violations
November 14, 2019State Public Notification requested2 linked violations
September 16, 2019State Public Notification requested21 linked violations
September 16, 2019State Public Notification requested4 linked violations
July 10, 2004State Violation/Reminder Notice1 linked violation
June 25, 2004State Public Notification received1 linked violation
April 1, 2004State Public Notification received2 linked violations
March 30, 2004State Bilateral Compliance Agreement signed7 linked violations
January 10, 2004State Violation/Reminder Notice1 linked violation
October 30, 1993State Violation/Reminder Notice1 linked violation
October 30, 1993State Public Notification requested1 linked violation
July 30, 1993State Compliance achieved17 linked violations
August 5, 1989State Violation/Reminder Notice1 linked violation

Contact

SMITH, JENNIFER

773-499-7255

CHICAGO, IL 60631