Public water system record
Retz Addn Improvement Association
On record as serving LaSalle County, IL · Serves 168 people
Federal records show 1 health-based violation and 7 monitoring/reporting issues for Retz Addn Improvement Association 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
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Retz Addn Improvement Association buys its water from Ottawa.
- 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), 2023.
- Most recent formal enforcement: signed compliance agreement by Illinois, November 2001.
- Record on file since 1996, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 68 service lines.
Check whether Retz Addn Improvement Association 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 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
|
340 | Jul 1, 2023 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Oct 11, 2024 | Resolved |
|
Public Notice
OTHER
|
Apr 11, 2024 | Resolved |
|
Public Notice
OTHER
|
Jan 28, 2023 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Chlorine
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
Full record since 1996
EPA's records for Retz Addn Improvement Association go back to 1996. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2000s | 6 | 3 |
| 2010 to October 18, 2016 | 0 | 3 |
| 2020s | 1 | 7 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began July 2003, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jul 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Apr 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 2003 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2002 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Dec 27, 2000 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2000 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Sep 17, 1996 | Resolved |
Enforcement actions
Illinois regulators took 1 formal enforcement action against Retz Addn Improvement Association in 2001. The most recent was a signed compliance agreement in November 2001.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 30, 2001 | Illinois | Signed compliance agreement | 5 violations (5 health-based): Combined Radium (-226 and -228), Gross Alpha, Excl. Radon and U |
What the violations mean
Combined Radium (-226 and -228)
1 incidentTest results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).
The utility had to notify customers about this violation.
Where the water comes from
Retz Addn Improvement Association buys its water from Ottawa. It lists no wells or intakes of its own. 1 other community water system buys water from Retz Addn Improvement Association.
Buys water from
- Ottawa Ottawa, IL
Community systems that buy water from it
- Ottawa Ottawa, IL
Annual water quality report
Retz Addn Improvement Association 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.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Retz Addn Improvement Association for a copy.
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