Public water system record
Plainfield
Serves Plainfield, Will County, IL · 50,000 people served
Federal records show no health-based violations and 3 monitoring/reporting issues for Plainfield 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
- 3
Key facts
- Plainfield buys its water from IL American-West Suburban.
- Most recent formal enforcement: signed compliance agreement by Illinois, February 2004.
- Record on file since 1977, with 19 health-based violations before October 19, 2016.
- Lead pipe inventory: 115 lead and 30 unknown out of 14,541 service lines.
Check whether Plainfield 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 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 13, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1977
EPA's records for Plainfield go back to 1977. Before October 19, 2016 they list 19 health-based violations (15 resolved, 4 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 4 | 0 |
| 1990s | 5 | 1 |
| 2000s | 10 | 5 |
| 2010 to October 18, 2016 | 0 | 4 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began January 2004, Resolved.
Show all 19 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Jan 1, 2004 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2003 | Resolved |
|
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 |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 2001 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2000 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
Jul 1, 1999 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1997 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1993 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1992 | Archived |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
May 1, 1990 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Nov 1, 1989 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 1, 1989 | Resolved |
|
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
|
May 5, 1986 | Resolved |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Oct 4, 1985 | Resolved |
Enforcement actions
Illinois regulators took 3 formal enforcement actions against Plainfield between 1990 and 2004. The most recent was a signed compliance agreement in February 2004.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 2, 2004 | Illinois | Signed compliance agreement | 6 violations (6 health-based): Combined Radium (-226 and -228) |
| Nov 27, 2001 | Illinois | Signed compliance agreement | 2 violations (2 health-based): Combined Radium (-226 and -228) |
| Aug 18, 1990 | Illinois | Compliance order (no penalty) | 2 violations (2 health-based): Combined Radium (-226 and -228) |
Where the water comes from
Plainfield buys its water from IL American-West Suburban. EPA also lists 3 wells, all for emergency, seasonal or other part-time use. 3 smaller public systems such as schools, businesses or campgrounds buy water from Plainfield.
Buys water from
- IL American-West Suburban Godfrey, IL
Annual water quality report
Plainfield 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