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Public water system record

Prairie Path Water Company-Oakwood

Serves Oakwood, Vermilion County, IL · 1,600 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Prairie Path Water Company-Oakwood in the last ten years. The most serious issue in this window was a resolved Interim Enhanced Surface Water Treatment Rule violation.

  • IL1830600
  • MCHENRY
  • IL
  • 1,600 served

System profile

Source water Surface water
ZIP 60050
EPA system ID IL1830600

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
0

Key facts

  • Prairie Path Water Company-Oakwood draws water from 2 surface water intakes.
  • Most recent formal enforcement: signed compliance agreement by Illinois, January 2012.
  • Record on file since 1977, with 8 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 267 unknown out of 698 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 Jul 1, 2020 Resolved Yes

Full record since 1977

EPA's records for Prairie Path Water Company-Oakwood go back to 1977. Before October 19, 2016 they list 8 health-based violations (8 resolved) and 5 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1980s 2 0
1990s 0 2
2000s 2 2
2010 to October 18, 2016 4 0
2020s 1 0

Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began January 2013, Resolved.

Show all 8 health-based violations before October 19, 2016
Contaminant Start date Status
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 63 µg/L, federal limit 60 µg/L (1.1 times the limit)
 Jan 1, 2013 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 62 µg/L, federal limit 60 µg/L (at or just above the limit)
 Oct 1, 2012 Resolved
CARBON, TOTAL
Treatment technique failure
 Oct 1, 2011 Resolved
CARBON, TOTAL
Treatment technique failure
 Jul 1, 2011 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Jan 1, 2005 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
 Oct 1, 2004 Resolved
Nitrate (acute)
Contaminant limit exceeded
 May 23, 1989 Resolved
Nitrate (acute)
Contaminant limit exceeded
 Nov 21, 1988 Resolved

Enforcement actions

Illinois regulators took 2 formal enforcement actions against Prairie Path Water Company-Oakwood between 2005 and 2012. The most recent was a signed compliance agreement in January 2012.

Date By Action Violations covered
Jan 12, 2012 Illinois Signed compliance agreement 2 violations (2 health-based): CARBON, TOTAL
May 10, 2005 Illinois Signed compliance agreement 2 violations (2 health-based): Haloacetic Acids (HAA5)

What the violations mean

Interim Enhanced Surface Water Treatment Rule

1 incident

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

Prairie Path Water Company-Oakwood draws water from 2 surface water intakes.

Annual water quality report

Prairie Path Water Company-Oakwood 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.

Certified drinking water labs by state EPA guidance for private wells