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STOCKTON

Illinois — Community Water System — PWSID: IL0850450

System Information

PWSIDIL0850450
System NameSTOCKTON
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedDec 4, 2025

Location & Contact

StateIllinois
CitySTOCKTON
ZIP Code61085
Address155 W Front Ave
OrganizationHATLEY, STEPHANIE
Phone815-947-2515

Population & Service

Population Served1,728
Service Connections874

Drinking Water Violations (69)

This water system has 69 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2022 Sep 30, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2022 Radionuclides and Revised Rad Rule
Jul 1, 2022 Sep 30, 2022 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Sep 30, 2022 Radionuclides and Revised Rad Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 1994 Total Coliform Rule
Jul 1, 1992 Sep 30, 1992 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals
Jul 1, 1992 Sep 30, 1992 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 1992 Volatile Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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