ROCK FALLS, IL · Whiteside County

ROCK FALLS 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): IL1950450
System type: Community Water System
Population served: 8,620
Service connections: 4,150
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring and Reporting (DBP)
—
Chlorine
April 1, 2023 – June 22, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
December 1, 2022 – December 31, 2022
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2022 – July 28, 2022
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Trichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Benzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Toluene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Ethylbenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Xylenes, Total
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2004 – September 30, 2004
Resolved
Monitoring, Regular
—
Combined Radium (-226 and -228)
October 1, 2003 – December 31, 2003
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1994 – December 31, 1994
Archived
Maximum Contaminant Level Violation, Average
Health-based
Fluoride
June 1, 1981 – May 31, 1984
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
April 1, 2023 – June 22, 2023	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
December 1, 2022 – December 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2022 – December 31, 2022	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
July 1, 2022 – July 28, 2022	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Trichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Tetrachloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Benzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Toluene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Ethylbenzene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	Xylenes, Total	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
October 1, 2003 – December 31, 2003	Monitoring, Regular	Combined Radium (-226 and -228)	—	Resolved
December 1, 1994 – December 31, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
June 1, 1981 – May 31, 1984	Maximum Contaminant Level Violation, Average	Fluoride	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

May 16, 2024State Public Notification received1 linked violation
May 16, 2024State Compliance achieved1 linked violation
December 12, 2023State Violation/Reminder Notice1 linked violation
August 13, 2023State Violation/Reminder Notice1 linked violation
August 13, 2023State Public Notification requested1 linked violation
June 22, 2023State Compliance achieved1 linked violation
March 24, 2023State Public Notification received1 linked violation
March 24, 2023State Public Notification received1 linked violation
January 19, 2023State Compliance achieved1 linked violation
January 19, 2023State Violation/Reminder Notice1 linked violation
January 19, 2023State Public Notification requested1 linked violation
January 19, 2023State Violation/Reminder Notice1 linked violation
January 19, 2023State Public Notification requested1 linked violation
January 19, 2023State Compliance achieved1 linked violation
February 28, 2005State Public Notification received22 linked violations
November 24, 2004State Violation/Reminder Notice27 linked violations
November 24, 2004State Public Notification requested25 linked violations
July 1, 2004State Bilateral Compliance Agreement signed3 linked violations
June 10, 2004State Formal Notice of Violation issued2 linked violations
April 12, 2004State Public Notification received2 linked violations
April 12, 2004State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
December 18, 1995State Public Notification received1 linked violation
December 9, 1995State Public Notification requested1 linked violation
December 9, 1995State Violation/Reminder Notice1 linked violation
March 12, 1995State Violation/Reminder Notice1 linked violation
March 12, 1995State Public Notification received1 linked violation
March 12, 1995State Public Notification requested1 linked violation
June 23, 1990State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
June 23, 1990State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
November 14, 1985State Compliance achieved1 linked violation

Contact

BLACKERT, ROBBIN

815-564-1366

ROCK FALLS, IL 61071