Drinking Water Compliance OS

HARLEM TWP, IL · Stephenson County

PARK CREST WTR CMPNY Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of June 1, 1996. 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 Stephenson 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)
IL1775100
System type
Community Water System
Population served
1,100
Service connections
370
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 1995 – December 31, 1995

    Archived
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    Styrene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    Toluene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    Benzene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Regular

    Xylenes, Total

    July 1, 1995 – September 30, 1995

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1995 – June 30, 1995

    Archived
  • Monitoring, Regular

    Carbofuran

    October 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Chlordane

    October 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    October 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Heptachlor epoxide

    October 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Heptachlor

    October 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    LASSO

    October 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Atrazine

    October 1, 1994 – December 31, 1994

    Resolved
  • Monitoring, Regular

    Methoxychlor

    October 1, 1994 – December 31, 1994

    Resolved
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    August 4, 1994 – June 1, 1996

    Archived
  • Public Education

    Health-based

    Lead and Copper Rule

    July 1, 1994 – August 30, 1995

    Resolved
  • Monitoring, Regular

    Ethylbenzene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Toluene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Benzene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    CHLOROBENZENE

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Tetrachloroethylene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Carbon tetrachloride

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    1,1,1-Trichloroethane

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    1,1-Dichloroethylene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    p-Dichlorobenzene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    o-Dichlorobenzene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Xylenes, Total

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    Styrene

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    DICHLOROMETHANE

    April 1, 1994 – March 31, 1995

    Resolved
  • Monitoring, Regular

    1,1,2-Trichloroethane

    April 1, 1994 – March 31, 1995

    Resolved
  • Water Quality Parameter M/R

    Lead and Copper Rule

    January 1, 1994 – June 30, 1994

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1993 – November 30, 1993

    Archived
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    April 1, 1993 – June 30, 1994

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 30, 1977 – June 29, 1981

    Archived

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

Enforcement actions

Last known contact on file (system is inactive)

Not on record

Phone not on record

HARLEM TWP, IL 61032