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Public water system record

Town of Hillsboro

Serves Hillsboro, Loudoun County, VA · 88 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for Town of Hillsboro in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.

  • VA6107200
  • HILLSBORO
  • VA
  • 88 served

System profile

Source water Groundwater
ZIP 20132
EPA system ID VA6107200

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

  • Town of Hillsboro draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Virginia, May 2017.
  • Record on file since 1991, with 10 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 42 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
Surface Water Treatment Rule
Treatment technique failure
 120 Apr 8, 2009 Resolved No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Revised Total Coliform Rule
RPT
 Dec 1, 2024 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
 Jan 1, 2010 Resolved

Full record since 1991

EPA's records for Town of Hillsboro go back to 1991. Before October 19, 2016 they list 10 health-based violations (10 resolved) and 424 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 8
2000s 5 229
2010 to October 18, 2016 3 187
2020s 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began August 2011, Resolved.

Show all 10 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Aug 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2010 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Aug 1, 2010 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Apr 8, 2009 Resolved
Total Coliform
Contaminant limit exceeded
 Apr 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
 Mar 1, 2009 Resolved
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
 Dec 5, 2008 Resolved
Stage 1 Disinfection Byproducts Rule
Treatment technique failure
 Dec 31, 2003 Resolved
Lead and Copper Rule
Treatment technique failure
 Dec 31, 1996 Resolved
Lead and Copper Rule
Treatment technique failure
 Jul 1, 1993 Resolved

Enforcement actions

Virginia regulators and EPA took 5 formal enforcement actions against Town of Hillsboro and issued 1 boil water order between 1991 and 2017. The most recent was a compliance order (no penalty) in May 2017.

Date By Action Violations covered
May 9, 2017 Virginia Compliance order (no penalty) 4 violations (1 health-based): Long Term 2 Enhanced Surface Water Treatment Rule, E. coli, Surface Water Treatment Rule, Cryptosporidium
Jan 21, 2011 Virginia Boil water order 1 violation: Total Coliform
Aug 14, 2003 EPA Compliance order (no penalty) 2 violations (2 health-based): Lead and Copper Rule
Jun 12, 1997 EPA Compliance order (no penalty) 6 violations (2 health-based): Total Coliform, Lead and Copper Rule
Dec 5, 1994 Virginia Compliance order (no penalty) 5 violations (1 health-based): Total Coliform, Lead and Copper Rule
Sep 24, 1991 Virginia Compliance order (no penalty) 2 violations: Total Coliform

What the violations mean

Surface Water Treatment Rule

1 incident

The system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Town of Hillsboro draws water from 2 wells.

Annual water quality report

Town of Hillsboro 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 Town of Hillsboro 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 Virginia.

Certified drinking water labs by state EPA guidance for private wells