STOCKTON, IL · Jo Daviess County

STOCKTON 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): IL0850450
System type: Community Water System
Population served: 1,728
Service connections: 874
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Combined Radium (-226 and -228)
July 1, 2022 – September 30, 2022
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
January 1, 1994 – January 31, 1994
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1992 – September 30, 1992
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1992 – September 30, 1992
Resolved
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
July 1, 2022 – September 30, 2022	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
January 1, 1994 – January 31, 1994	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 1992 – September 30, 1992	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
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

November 7, 2022State Compliance achieved1 linked violation
October 18, 2022State Violation/Reminder Notice1 linked violation
October 18, 2022State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
March 6, 1994State Public Notification requested1 linked violation
March 6, 1994State Violation/Reminder Notice1 linked violation
March 3, 1994State Public Notification received1 linked violation
May 6, 1993State Compliance achieved17 linked violations
July 1, 1992State Public Notification requested17 linked violations
July 1, 1992State Violation/Reminder Notice17 linked violations
October 6, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 6, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 17, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 6, 1991State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
July 6, 1991State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
May 8, 1991State Public Notification received1 linked violation
May 2, 1991State Violation/Reminder Notice1 linked violation
May 2, 1991State Public Notification requested1 linked violation
November 4, 1989State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
September 14, 1989State Public Notification received1 linked violation

Contact

HATLEY, STEPHANIE

815-947-2515

STOCKTON, IL 61085