Public water system record

Fields Hill Improvement Association

On record as serving LaSalle County, IL · Serves 312 people

Federal records show 2 health-based violations and 81 monitoring/reporting issues for Fields Hill Improvement Association in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • IL0995150
  • OTTAWA
  • IL
  • 312 served

System profile

Source water Purchased groundwater
ZIP 61350
EPA system ID IL0995150

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
1
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
81

Key facts

  • Fields Hill Improvement Association buys its water from Ottawa.
  • Highest measured level in the last 10 years: Combined Radium (-226 and -228), 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit), 2023.
  • Most recent formal enforcement: signed compliance agreement by Illinois, November 2001.
  • Record on file since 1991, with 9 health-based violations before October 19, 2016.

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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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 8 pCi/L, federal limit 5 pCi/L (1.6 times the limit)
340 Jul 1, 2023 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 24, 2025 Active
Public Notice
OTHER
Dec 24, 2025 Active
Chlorine
Monitoring and reporting
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Nov 28, 2025 Active
Public Notice
OTHER
Nov 28, 2025 Active
Chlorine
Monitoring and reporting
Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Oct 23, 2025 Active
Chlorine
Monitoring and reporting
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Sep 26, 2025 Active
Chlorine
Monitoring and reporting
Sep 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Aug 30, 2025 Active
Public Notice
OTHER
Aug 30, 2025 Active
Public Notice
OTHER
Aug 22, 2025 Active
Public Notice
OTHER
Aug 20, 2025 Active
Chlorine
Monitoring and reporting
Aug 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Jul 31, 2025 Active
LEAD AND COPPER RULE REVISIONS
RPT
Jul 2, 2025 Active
Chlorine
Monitoring and reporting
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Public Notice
OTHER
Jun 7, 2025 Active
Public Notice
OTHER
Jun 7, 2025 Active
Chlorine
Monitoring and reporting
Jun 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
May 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
May 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Apr 19, 2025 Active
Chlorine
Monitoring and reporting
Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Mar 26, 2025 Active
Chlorine
Monitoring and reporting
Mar 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Feb 21, 2025 Active
Public Notice
OTHER
Feb 21, 2025 Active
Chlorine
Monitoring and reporting
Feb 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Jan 26, 2025 Active
Chlorine
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Dec 18, 2024 Active
Public Notice
OTHER
Dec 7, 2024 Active
Public Notice
OTHER
Dec 7, 2024 Active
Chlorine
Monitoring and reporting
Dec 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Nov 6, 2024 Active
Public Notice
OTHER
Nov 6, 2024 Active
Chlorine
Monitoring and reporting
Nov 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active
Public Notice
OTHER
Oct 11, 2024 Active
Chlorine
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2024 Active
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
May 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Public Notice
OTHER
Apr 11, 2024 Active
Chlorine
Monitoring and reporting
Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Mar 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Oct 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2023 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, 2023 Active
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Jul 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlorine
Monitoring and reporting
Jul 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2022 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved

Full record since 1991

EPA's records for Fields Hill Improvement Association go back to 1991. Before October 19, 2016 they list 9 health-based violations (7 resolved, 2 archived by EPA without a recorded fix) and 10 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 3 3
2000s 6 6
2010 to October 18, 2016 0 1
2020s 2 81

Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began July 2003, Resolved.

Show all 9 health-based violations before October 19, 2016
Contaminant Start date Status
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
Gross Alpha, Excl. Radon and U
Contaminant limit exceeded
Dec 27, 2000 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Oct 1, 2000 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Sep 17, 1996 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1994 Archived
Total Coliform (acute)
Contaminant limit exceeded
Jul 1, 1994 Archived

Enforcement actions

Illinois regulators took 1 formal enforcement action against Fields Hill Improvement Association in 2001. The most recent was a signed compliance agreement in November 2001.

Date By Action Violations covered
Nov 30, 2001 Illinois Signed compliance agreement 2 violations (2 health-based): Gross Alpha, Excl. Radon and U, Combined Radium (-226 and -228)

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Combined Radium (-226 and -228)

1 incident

Test results for Combined Radium (-226 and -228) were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about this violation.

Where the water comes from

Fields Hill Improvement Association buys its water from Ottawa. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Fields Hill Improvement Association 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 Fields Hill Improvement Association 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.