LYONS TWP, IL · Cook County

SANTA FE MNP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of July 1, 1999. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Cook County, IL.

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): IL0310170
System type: Community Water System
Population served: 88
Service connections: 40
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1993 – June 30, 1993
Archived
Initial Tap Sampling for Pb and Cu
—
Lead and Copper Rule
April 1, 1993 – June 30, 1994
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Toluene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 1992 – September 30, 1992
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1992 – July 31, 1992
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1992 – June 30, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
February 1, 1992 – February 29, 1992
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1992 – January 31, 1992
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
June 1, 1993 – June 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1993 – June 30, 1994	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Toluene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 1992 – July 31, 1992	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	CHLOROBENZENE	—	Resolved
June 1, 1992 – June 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
February 1, 1992 – February 29, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 1992 – January 31, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	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 30, 1994State Compliance achieved4 linked violations
January 1, 1994State Public Notification requested1 linked violation
January 1, 1994State Violation/Reminder Notice1 linked violation
September 4, 1993State Violation/Reminder Notice1 linked violation
September 4, 1993State Public Notification requested1 linked violation
May 6, 1993State Compliance achieved17 linked violations
April 1, 1993State Public Notification requested1 linked violation
April 1, 1993State Violation/Reminder Notice1 linked violation
December 5, 1992State Public Notification requested1 linked violation
December 5, 1992State Violation/Reminder Notice1 linked violation
October 4, 1992State Violation/Reminder Notice1 linked violation
October 4, 1992State Public Notification requested1 linked violation
September 5, 1992State Violation/Reminder Notice3 linked violations
September 5, 1992State Public Notification requested3 linked violations
August 1, 1992State Public Notification requested1 linked violation
August 1, 1992State Violation/Reminder Notice1 linked violation
July 4, 1992State Violation/Reminder Notice1 linked violation
July 4, 1992State Public Notification requested1 linked violation
June 6, 1992State Violation/Reminder Notice1 linked violation
June 6, 1992State Public Notification requested1 linked violation
April 3, 1992State Public Notification requested1 linked violation
April 3, 1992State Violation/Reminder Notice1 linked violation
March 8, 1992State Public Notification requested1 linked violation
March 8, 1992State Violation/Reminder Notice1 linked violation

Last known contact on file (system is inactive)

Not on record

Phone not on record

LYONS TWP, IL 60601