Public water system record
Mattoon
Serves an area of Coles County, IL that includes Mattoon · 19,500 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Mattoon 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
- 1
Key facts
- Mattoon draws water from 2 surface water intakes.
- Record on file since 1977, with 11 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 3,676 unknown out of 12,826 service lines.
Check whether Mattoon 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 |
|---|---|---|
|
Toxaphene
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
Full record since 1977
EPA's records for Mattoon go back to 1977. Before October 19, 2016 they list 11 health-based violations (11 archived by EPA without a recorded fix) and 15 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 9 |
| 1990s | 11 | 2 |
| 2000s | 0 | 2 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began December 1998, Archived.
Show all 11 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1998 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1998 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1996 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 1995 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Dec 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 1994 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 1994 | Archived |
Where the water comes from
Mattoon draws water from 2 surface water intakes. It also has an emergency connection to Charleston. 2 other community water systems and 3 smaller public systems such as schools, businesses or campgrounds buy water from Mattoon. 2 other public water systems have emergency connections to Mattoon.
Emergency or part-time connections to
- Charleston Charleston, IL
Community systems that buy water from it
- Humboldt Humboldt, IL
- Moultrie County RWD Sullivan, IL
Annual water quality report
Mattoon 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 Illinois.
Certified drinking water labs by state EPA guidance for private wells