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Public water system record

Marianapolis Prep School - St Johns

Serves an area of Northeastern Connecticut Planning Region, CT · 128 people served

Federal records show 1 health-based violation and 5 monitoring/reporting issues for Marianapolis Prep School - St Johns in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CT1410051
  • THOMPSON
  • CT
  • 128 served

System profile

Source water Groundwater
ZIP 06277
EPA system ID CT1410051

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
5

Key facts

  • Marianapolis Prep School - St Johns draws water from 2 wells.
  • Most recent formal enforcement: compliance order with a penalty by Connecticut, February 2008.
  • Record on file since 1992, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 2 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
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
 350 Oct 17, 2024 Active No

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 REVISIONS
RPT
 Oct 17, 2024 Active
Consumer Confidence Rule
OTHER
 Aug 10, 2019 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
 Oct 1, 2018 Resolved
Consumer Confidence Rule
OTHER
 Aug 10, 2018 Resolved

Full record since 1992

EPA's records for Marianapolis Prep School - St Johns go back to 1992. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 102 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 6 7
2000s 4 90
2010 to October 18, 2016 0 5
October 19, 2016 to 2019 0 4
2020s 1 1

Most recent health-based violation before October 19, 2016: Total Coliform, began July 2007, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Jul 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
 Apr 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
 Oct 1, 2002 Resolved
Total Coliform
Contaminant limit exceeded
 Jul 1, 1995 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1995 Resolved
Total Coliform
Contaminant limit exceeded
 Aug 1, 1993 Resolved
Total Coliform
Contaminant limit exceeded
 Jun 1, 1993 Resolved
Total Coliform
Contaminant limit exceeded
 May 1, 1993 Resolved
Total Coliform
Contaminant limit exceeded
 Apr 1, 1992 Resolved

Enforcement actions

Connecticut regulators took 5 formal enforcement actions against Marianapolis Prep School - St Johns between 1995 and 2008. The most recent was a compliance order with a penalty in February 2008.

Date By Action Violations covered
Feb 22, 2008 Connecticut Compliance order with a penalty 20 violations: Styrene, Carbon tetrachloride, 1,2-Dichloropropane, 1,1,2-Trichloroethane, Tetrachloroethylene
May 31, 2007 Connecticut Compliance order with a penalty 31 violations: Dinoseb, HEXACHLOROBENZENE, Benzo(a)pyrene, Chlordane, Diquat
Jul 25, 2006 Connecticut Compliance order with a penalty 1 violation: Total Coliform
Aug 6, 2004 Connecticut Compliance order with a penalty 4 violations: Total Coliform
Dec 13, 1995 Connecticut Compliance order with a penalty 1 violation: Lead and Copper Rule

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

Marianapolis Prep School - St Johns draws water from 2 wells.

Annual water quality report

Marianapolis Prep School - St Johns 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 Marianapolis Prep School - St Johns 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 Connecticut.

Certified drinking water labs by state EPA guidance for private wells