Public water system record
Mishawaka Utilities
Serves Mishawaka and Osceola, St. Joseph County, IN · 49,675 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Mishawaka Utilities in the last ten years. At least one of these issues remains unresolved.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Mishawaka Utilities draws water from 27 wells.
- Record on file since 1979, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 3,885 lead and 9,455 unknown out of 19,073 service lines.
Check whether Mishawaka Utilities 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, 2025 | Active |
Full record since 1979
EPA's records for Mishawaka Utilities go back to 1979. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 0 | 1 |
| 1990s | 3 | 0 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 2 | 0 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Groundwater Rule, began November 2010, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
Nov 1, 2010 | Resolved |
|
Groundwater Rule
Treatment technique failure
|
Oct 1, 2010 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1995 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1995 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Dec 1, 1994 | Resolved |
Where the water comes from
Mishawaka Utilities draws water from 27 wells.
Annual water quality report
Mishawaka Utilities 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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 Indiana.
Certified drinking water labs by state EPA guidance for private wells