Public water system record
Rock Falls
Serves Rock Falls, Whiteside County, IL · 8,620 people served
Federal records show no health-based violations and 5 monitoring/reporting issues for Rock Falls in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 5
Key facts
- Rock Falls draws water from 3 wells.
- Most recent formal enforcement: signed compliance agreement by Illinois, July 2004.
- Record on file since 1977, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 1 lead and 358 unknown out of 4,421 service lines.
Check whether Rock Falls serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
Full record since 1977
EPA's records for Rock Falls go back to 1977. Before October 19, 2016 they list 2 health-based violations (1 resolved, 1 archived by EPA without a recorded fix) and 24 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 2 | 0 |
| 1990s | 0 | 2 |
| 2000s | 0 | 21 |
| 2020s | 0 | 5 |
Most recent health-based violation before October 19, 2016: Fluoride, began June 1984, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Fluoride
Contaminant limit exceeded
|
Jun 1, 1984 | Resolved |
|
Fluoride
Contaminant limit exceeded
|
Jun 1, 1981 | Archived |
Enforcement actions
Illinois regulators took 1 formal enforcement action against Rock Falls in 2004. The most recent was a signed compliance agreement in July 2004.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 1, 2004 | Illinois | Signed compliance agreement | 1 violation: Combined Radium (-226 and -228) |
Where the water comes from
Rock Falls draws water from 3 wells. 1 other community water system and 1 smaller public system such as schools, businesses or campgrounds buy water from Rock Falls.
Community systems that buy water from it
- Riverside Estates MHP Colorado Springs, CO
Annual water quality report
Rock Falls must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.
Certified drinking water labs by state EPA guidance for private wells