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Public water system record

Maryville SD 2

Serves an area of Grant County, WI that includes Hazel Green · 100 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for Maryville SD 2 in the last ten years. The most serious issue in this window was a resolved LEAD AND COPPER RULE REVISIONS violation.

  • WI1220105
  • HAZEL GREEN
  • WI
  • 100 served

System profile

Source water Groundwater
ZIP 53811
EPA system ID WI1220105

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • Maryville SD 2 draws water from 1 well.
  • Record on file since 1993, with 4 health-based violations before October 20, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 39 service lines.

Check whether Maryville SD 2 serves your address

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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 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
 Oct 17, 2024 Active
Revised Total Coliform Rule
Monitoring violation
 Mar 1, 2021 Resolved

Full record since 1993

EPA's records for Maryville SD 2 go back to 1993. Before October 20, 2016 they list 4 health-based violations (4 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 4
2000s 1 0
2010 to October 19, 2016 2 2
2020s 1 2

Most recent health-based violation before October 20, 2016: Total Coliform, began March 2014, Resolved.

Show all 4 health-based violations before October 20, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Mar 1, 2014 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
 Oct 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 1995 Resolved

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.

Where the water comes from

Maryville SD 2 draws water from 1 well.

Annual water quality report

Maryville SD 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.

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 Maryville SD 2 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 Wisconsin.

Certified drinking water labs by state EPA guidance for private wells