Public water system record
Rochelle
Serves Rochelle, Ogle County, IL · 9,446 people served
Federal records show 5 health-based violations and 3 monitoring/reporting issues for Rochelle in the last ten years. The most serious issue in this window was a resolved Combined Radium (-226 and -228) violation.
System profile
- Health-based violations, last 10 years
- 5
- Resolved
- 5
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 3
Key facts
- Rochelle draws water from 5 wells (1 of them for emergency, seasonal or other part-time use).
- Highest measured level in the last 10 years: Combined Radium (-226 and -228), 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit), 2018.
- Most recent formal enforcement: signed compliance agreement by Illinois, November 2007.
- Record on file since 1977, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 5 lead and 0 unknown out of 3,975 service lines.
Check whether Rochelle 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
340 | Oct 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
340 | Jul 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
340 | Apr 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
340 | Jan 1, 2018 | Resolved | No |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
340 | Oct 1, 2016 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2023 | Resolved |
|
Chlorine
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Chlordane
Monitoring and reporting
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1977
EPA's records for Rochelle go back to 1977. Before October 19, 2016 they list 7 health-based violations (6 resolved, 1 archived by EPA without a recorded fix) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 1 | 3 |
| 2000s | 2 | 0 |
| 2010 to October 18, 2016 | 4 | 0 |
| October 19, 2016 to 2019 | 4 | 0 |
| 2020s | 0 | 3 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began October 2016, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Oct 1, 2016 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
Jul 1, 2016 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 7 pCi/L, federal limit 5 pCi/L (1.4 times the limit)
|
Apr 1, 2016 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
|
Jan 1, 2016 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1994 | Archived |
Enforcement actions
Illinois regulators took 1 formal enforcement action against Rochelle in 2007. The most recent was a signed compliance agreement in November 2007.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 28, 2007 | Illinois | Signed compliance agreement | 2 violations (2 health-based): Total Coliform |
What the violations mean
Combined Radium (-226 and -228)
5 incidentsTest results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Rochelle draws water from 5 wells (1 of them for emergency, seasonal or other part-time use). 1 smaller public system such as schools, businesses or campgrounds buys water from Rochelle.
Annual water quality report
Rochelle 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