Public water system record

Donnellson

On record as serving Donnellson, Bond County, IL · Serves 213 people

Federal records show 29 health-based violations and 29 monitoring/reporting issues for Donnellson 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.

  • IL0054360
  • DONNELLSON
  • IL
  • 213 served

System profile

Source water Purchased surface water
ZIP 62019
EPA system ID IL0054360

Verify this system on EPA ECHO →

Health-based violations, last 10 years
29
Resolved
26
Unresolved
0
Archived by EPA
3
Any acute record
Yes
Monitoring issues, last 10 years
29

Key facts

  • Donnellson buys its water from Ej Water-MCWC.
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.137 mg/L, federal limit 0.08 mg/L (1.7 times the limit), 2021.
  • Most recent formal enforcement: signed compliance agreement by Illinois, June 2009.
  • Record on file since 1977, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 139 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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.094 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
220 Jul 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.127 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
220 Apr 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
220 Apr 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.071 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
220 Jan 1, 2022 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.115 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Jan 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
220 Oct 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.137 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
220 Oct 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.129 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
220 Jul 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
220 Jul 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Apr 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.128 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
220 Apr 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.132 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
220 Jan 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.073 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
220 Jan 1, 2021 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.134 mg/L, federal limit 0.08 mg/L (1.7 times the limit)
220 Oct 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
220 Oct 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.129 mg/L, federal limit 0.08 mg/L (1.6 times the limit)
220 Jul 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Jul 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.103 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
220 Apr 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.064 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Jan 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.114 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Jan 1, 2020 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.068 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Oct 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.113 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Oct 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
220 Jul 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Jul 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Apr 1, 2019 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.105 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
220 Apr 1, 2019 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Public Notice
OTHER
Dec 26, 2025 Active
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2025 Active
Public Notice
OTHER
Jul 12, 2025 Active
Consumer Confidence Rule
OTHER
Jul 1, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Oct 1, 2024 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Oct 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2024 Resolved
Public Notice
OTHER
Jan 16, 2023 Active
Public Notice
OTHER
Jul 12, 2022 Resolved
Public Notice
OTHER
Apr 6, 2022 Resolved
Public Notice
OTHER
Apr 4, 2022 Resolved
Public Notice
OTHER
Aug 14, 2021 Resolved
Public Notice
OTHER
Aug 14, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Apr 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Apr 1, 2021 Resolved
Public Notice
OTHER
Jan 11, 2021 Resolved
Public Notice
OTHER
Nov 12, 2020 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Public Notice
OTHER
Apr 2, 2020 Resolved
Public Notice
OTHER
Apr 2, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2018 Resolved
Public Notice
OTHER
Nov 16, 2016 Resolved
Public Notice
OTHER
Nov 16, 2016 Resolved

Full record since 1977

EPA's records for Donnellson go back to 1977. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 28 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 0 6
2000s 10 14
2010 to October 18, 2016 0 7
October 19, 2016 to 2019 6 4
2020s 23 25

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began July 2009, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
Jul 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 93 µg/L, federal limit 80 µg/L (1.2 times the limit)
Apr 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 86 µg/L, federal limit 80 µg/L (1.1 times the limit)
Jan 1, 2009 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 87 µg/L, federal limit 80 µg/L (1.1 times the limit)
Oct 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 81 µg/L, federal limit 80 µg/L (at or just above the limit)
Jan 1, 2008 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 82 µg/L, federal limit 80 µg/L (at or just above the limit)
Oct 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 94 µg/L, federal limit 80 µg/L (1.2 times the limit)
Jul 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 99 µg/L, federal limit 80 µg/L (1.2 times the limit)
Apr 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 100 µg/L, federal limit 80 µg/L (1.3 times the limit)
Jan 1, 2005 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 110 µg/L, federal limit 80 µg/L (1.4 times the limit)
Oct 1, 2004 Resolved

Enforcement actions

Illinois regulators took 4 formal enforcement actions against Donnellson between 2005 and 2009. The most recent was a signed compliance agreement in June 2009.

Date By Action Violations covered
Jun 30, 2009 Illinois Signed compliance agreement 3 violations (3 health-based): Total Trihalomethanes (TTHMs)
Jun 20, 2008 Illinois Signed compliance agreement 2 violations (2 health-based): Total Trihalomethanes (TTHMs)
Dec 2, 2005 Illinois Signed compliance agreement 1 violation: Consumer Confidence Rule
Apr 14, 2005 Illinois Signed compliance agreement 5 violations (5 health-based): Total Trihalomethanes (TTHMs)

What the violations mean

Total Trihalomethanes (TTHMs)

14 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

12 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

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

Donnellson buys its water from Ej Water-MCWC. It lists no wells or intakes of its own. It also has an emergency connection to Greenville.

Buys water from

Emergency or part-time connections to

Annual water quality report

Donnellson 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 Donnellson 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.