MACKINAW TWP, IL · Tazewell County

HERITAGE LAKES SUBDIVISION Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of June 7, 2001. 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 Tazewell 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): IL1795460
System type: Community Water System
Population served: 1,341
Service connections: 447
Ownership: privately owned
Water source: groundwater (wells)

Violation history

OCCT/SOWT Study/Recommendation
Health-based
Lead and Copper Rule
October 27, 1998 – January 26, 2000
Resolved
Maximum Contaminant Level Violation, Acute (TCR)
Health-based
Coliform (TCR)
May 1, 1994 – May 31, 1994
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1994 – May 31, 1994
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
October 27, 1998 – January 26, 2000	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Health-based	Resolved
May 1, 1994 – May 31, 1994	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Archived
May 1, 1994 – May 31, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	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 6, 1994State Violation/Reminder Notice2 linked violations
August 6, 1994State Public Notification requested2 linked violations
June 15, 1994State Public Notification received2 linked violations

Last known contact on file (system is inactive)

Not on record

Phone not on record

MACKINAW TWP, IL 61755