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Public water system record

Davie County Water System

Serves an area of Davie County, NC that includes Mocksville, Advance, Farmington and 2 more places · 31,543 people served

Federal records show 2 health-based violations and 9 monitoring/reporting issues for Davie County Water System in the last ten years. The most serious issue in this window was a resolved Long Term 2 Enhanced Surface Water Treatment Rule violation.

  • NC0230015
  • MOCKSVILLE
  • NC
  • 31,543 served

System profile

Source water Surface water
ZIP 27028
EPA system ID NC0230015

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
9

Key facts

  • Davie County Water System draws water from 3 surface water intakes (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by North Carolina, May 2025.
  • Record on file since 1985, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 12,220 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
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Jul 1, 2022 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
 120 Jul 1, 2022 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
CARBON, TOTAL
Monitoring and reporting
 Jan 1, 2025 Resolved
CARBON, TOTAL
Monitoring and reporting
 Jan 1, 2023 Resolved
Public Notice
OTHER
 Oct 23, 2022 Resolved
Atrazine
Monitoring and reporting
 Jan 1, 2022 Resolved
Atrazine
Monitoring and reporting
 Jan 1, 2022 Resolved
Simazine
Monitoring and reporting
 Jan 1, 2022 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2021 Resolved
Consumer Confidence Rule
OTHER
 Jul 1, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
 Jan 1, 2016 Resolved

Full record since 1985

EPA's records for Davie County Water System go back to 1985. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 21 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 8
1990s 0 2
2000s 5 10
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 0 1
2020s 2 7

Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began April 2003, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.10691 mg/L, federal limit 0.08 mg/L (1.3 times the limit)
 Apr 1, 2003 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11298 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Jan 1, 2003 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.06079 mg/L, federal limit 0.06 mg/L (at or just above the limit)
 Jan 1, 2003 Resolved
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.11297 mg/L, federal limit 0.08 mg/L (1.4 times the limit)
 Oct 1, 2002 Resolved
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.06391 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
 Oct 1, 2002 Resolved

Enforcement actions

North Carolina regulators took 8 formal enforcement actions against Davie County Water System between 2016 and 2025, filed as 10 records in EPA's data. The most recent was a compliance order (no penalty) in May 2025.

Date By Action Violations covered
May 2, 2025 North Carolina Compliance order (no penalty) 1 violation: CARBON, TOTAL
Sep 7, 2023 North Carolina Compliance order with a penalty 1 violation: CARBON, TOTAL
May 3, 2023 North Carolina Compliance order (no penalty) 1 violation: CARBON, TOTAL
Sep 22, 2022 North Carolina Compliance order (no penalty) 2 violations (2 health-based): Interim Enhanced Surface Water Treatment Rule, Long Term 2 Enhanced Surface Water Treatment Rule
Sep 22, 2022 North Carolina Compliance order with a penalty 3 violations: Simazine, Atrazine
Aug 8, 2022 North Carolina Compliance order (no penalty) 3 violations: Atrazine, Simazine
Nov 20, 2018 North Carolina Compliance order (no penalty) 1 violation: Consumer Confidence Rule
Jun 27, 2016 North Carolina Compliance order (no penalty) 1 violation: Lead and Copper Rule

What the violations mean

Long Term 2 Enhanced Surface Water Treatment Rule

1 incident

The system failed required surface water treatment or filtration standards

Untreated or inadequately treated surface water can contain bacteria and viruses

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

Davie County Water System draws water from 3 surface water intakes (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to Town of Mocksville. 1 other public water system has an emergency connection to Davie County Water System.

Emergency or part-time connections to

Annual water quality report

Davie County Water System 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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 North Carolina.

Certified drinking water labs by state EPA guidance for private wells