Public water system record
Aqua Illinois-Nunda
Serves an area of McHenry County, IL · 485 people served
Federal records show no health-based violations and no monitoring or reporting issues for Aqua Illinois-Nunda 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
- 0
Key facts
- Aqua Illinois-Nunda draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by Illinois, August 2011.
- Record on file since 1977, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 116 unknown out of 199 service lines.
Check whether Aqua Illinois-Nunda 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, and no monitoring or reporting violations either.
Full record since 1977
EPA's records for Aqua Illinois-Nunda go back to 1977. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 68 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 3 | 46 |
| 2000s | 0 | 14 |
| 2010 to October 18, 2016 | 0 | 7 |
Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began February 1994, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Treatment technique failure
|
Feb 23, 1994 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1992 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 1992 | Archived |
Enforcement actions
Illinois regulators took 1 formal enforcement action against Aqua Illinois-Nunda in 2011, filed as 2 records in EPA's data. The most recent was a compliance order (no penalty) in August 2011.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 11, 2011 | Illinois | Compliance order (no penalty) | 12 violations: Total Coliform |
Where the water comes from
Aqua Illinois-Nunda draws water from 2 wells (1 of them for emergency, seasonal or other part-time use).
Annual water quality report
Aqua Illinois-Nunda 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 Aqua Illinois-Nunda 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