Public water system record

Johnsburg NO.2

Serves Johnsburg, McHenry County, IL · 1,124 people served

Federal records show no health-based violations and 12 monitoring/reporting issues for Johnsburg NO.2 in the last ten years. At least one of these issues remains unresolved.

  • IL1115080
  • JOHNSBURG
  • IL
  • 1,124 served

System profile

Source water Groundwater
ZIP 60051
EPA system ID IL1115080

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
12

Key facts

  • Johnsburg NO.2 draws water from 3 wells (2 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: signed compliance agreement by Illinois, November 2007.
  • Record on file since 1977, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 460 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2025 Active
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2023 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2019 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Public Notice
OTHER
Oct 13, 2018 Resolved
Public Notice
OTHER
Oct 13, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2016 Resolved
Chlordane
Monitoring and reporting
Jan 1, 2014 Resolved

Full record since 1977

EPA's records for Johnsburg NO.2 go back to 1977. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 32 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 3 13
2000s 2 14
2010 to October 18, 2016 0 4
October 19, 2016 to 2019 0 5
2020s 0 4

Most recent health-based violation before October 19, 2016: Combined Radium (-226 and -228), began July 2007, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
Jul 1, 2007 Resolved
Combined Radium (-226 and -228)
Contaminant limit exceeded
Measured 6 pCi/L, federal limit 5 pCi/L (1.2 times the limit)
Apr 1, 2007 Resolved
Lead and Copper Rule
Treatment technique failure
Jan 1, 1996 Resolved
Lead and Copper Rule
Treatment technique failure
Jan 1, 1995 Resolved
Lead and Copper Rule
Treatment technique failure
Feb 23, 1994 Resolved

Enforcement actions

Illinois regulators took 1 formal enforcement action against Johnsburg NO.2 in 2007. The most recent was a signed compliance agreement in November 2007.

Date By Action Violations covered
Nov 8, 2007 Illinois Signed compliance agreement 2 violations (2 health-based): Combined Radium (-226 and -228)

Where the water comes from

Johnsburg NO.2 draws water from 3 wells (2 of them for emergency, seasonal or other part-time use). 1 smaller public system such as schools, businesses or campgrounds buys water from Johnsburg NO.2.

Annual water quality report

Johnsburg NO.2 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.