Public water system record
Palmyra-Modesto Water Commission
Serves Modesto, Macoupin County, IL · 110 people served
Federal records show 6 health-based violations and 6 monitoring/reporting issues for Palmyra-Modesto Water Commission in the last ten years. The most serious issue in this window was a resolved CARBON, TOTAL violation.
System profile
- Health-based violations, last 10 years
- 6
- Resolved
- 6
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 6
Key facts
- Palmyra-Modesto Water Commission draws water from 1 surface water intake.
- Most recent formal enforcement: signed compliance agreement by Illinois, October 2006.
- Record on file since 1977, with 30 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 49 service lines.
Check whether Palmyra-Modesto Water Commission 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 |
|---|---|---|---|---|
|
CARBON, TOTAL
Treatment technique failure
|
210 | Apr 1, 2025 | Resolved | No |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Jan 1, 2025 | Resolved | No |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2021 | Resolved | Yes |
|
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2021 | Resolved | Yes |
|
CARBON, TOTAL
Treatment technique failure
|
210 | Apr 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Atrazine
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Simazine
Monitoring and reporting
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Public Notice
OTHER
|
May 30, 2025 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jun 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2016 | Resolved |
Full record since 1977
EPA's records for Palmyra-Modesto Water Commission go back to 1977. Before October 19, 2016 they list 30 health-based violations (30 resolved) and 13 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 9 |
| 1990s | 9 | 2 |
| 2000s | 21 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 1 | 0 |
| 2020s | 5 | 5 |
Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began June 2009, Resolved.
Show all 30 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jun 1, 2009 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jun 1, 2009 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Nov 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Oct 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Aug 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jul 1, 2006 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jun 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
May 1, 2006 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Mar 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 2006 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 2006 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2006 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2005 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jul 1, 2005 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2005 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2005 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2004 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Jul 1, 1995 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Apr 1, 1995 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Jan 1, 1995 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Oct 1, 1994 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Jan 1, 1994 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Oct 1, 1993 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Jul 1, 1993 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Apr 1, 1993 | Resolved |
|
Atrazine
Contaminant limit exceeded
|
Jan 1, 1993 | Resolved |
Enforcement actions
Illinois regulators took 3 formal enforcement actions against Palmyra-Modesto Water Commission between 2005 and 2006. The most recent was a signed compliance agreement in October 2006.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 27, 2006 | Illinois | Signed compliance agreement | 11 violations (11 health-based): Surface Water Treatment Rule |
| Jun 2, 2006 | Illinois | Signed compliance agreement | 4 violations (4 health-based): CARBON, TOTAL |
| Dec 19, 2005 | Illinois | Signed compliance agreement | 4 violations (4 health-based): CARBON, TOTAL |
What the violations mean
CARBON, TOTAL
3 incidentsThe system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).
The utility had to notify customers about each of these violations.
Interim Enhanced Surface Water Treatment Rule
3 incidentsThe system did not meet a filtration or treatment requirement for surface water
Inadequate treatment of surface water can let pathogens such as Cryptosporidium and Giardia through
Where the water comes from
Palmyra-Modesto Water Commission draws water from 1 surface water intake. 4 other community water systems buy water from Palmyra-Modesto Water Commission.
Community systems that buy water from it
- Modesto Modesto, IL
- Palmyra Palmyra, IL
- Scottville Rural Water Company, Inc. Palmyra, IL
- South Palmyra Water Commission Palmyra, IL
Annual water quality report
Palmyra-Modesto Water Commission 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 Palmyra-Modesto Water Commission 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