Public water system record

Henderson PWD

Serves an area of Montgomery County, IL · 2,045 people served

Federal records show 3 health-based violations and 7 monitoring/reporting issues for Henderson PWD in the last ten years. The most serious issue in this window was a Interim Enhanced Surface Water Treatment Rule violation that EPA lists as archived, not resolved.

  • IL1350010
  • CARLINVILLE
  • IL
  • 2,045 served

System profile

Source water Purchased surface water
ZIP 62626
EPA system ID IL1350010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
0
Unresolved
0
Archived by EPA
3
Any acute record
Yes
Monitoring issues, last 10 years
7

Key facts

  • Henderson PWD buys its water from Litchfield and Otter Lake Water Commission.
  • Most recent formal enforcement: signed compliance agreement by Illinois, April 2001.
  • Record on file since 1998, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 830 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Yes

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 10, 2023 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved

Full record since 1998

EPA's records for Henderson PWD go back to 1998. Before October 19, 2016 they list 4 health-based violations (2 resolved, 2 archived by EPA without a recorded fix) and 13 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 1
2000s 2 6
2010 to October 18, 2016 2 6
October 19, 2016 to 2019 0 1
2020s 3 6

Most recent health-based violation before October 19, 2016: Total Coliform, began October 2014, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Oct 1, 2014 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jul 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 2001 Archived
Total Coliform
Contaminant limit exceeded
Nov 1, 2000 Archived

Enforcement actions

Illinois regulators took 1 formal enforcement action against Henderson PWD in 2001. The most recent was a signed compliance agreement in April 2001.

Date By Action Violations covered
Apr 25, 2001 Illinois Signed compliance agreement 2 violations: Lead and Copper Rule

What the violations mean

Interim Enhanced Surface Water Treatment Rule

3 incidents

The 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

Henderson PWD buys its water from Litchfield and Otter Lake Water Commission. It lists no wells or intakes of its own. 1 other community water system buys water from Henderson PWD.

Buys water from

Community systems that buy water from it

Annual water quality report

Henderson PWD 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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.