Public water system record

Montgomery County Water System

Serves an area of Montgomery County, NC that includes Mount Gilead · 14,710 people served

Federal records show 14 health-based violations and 18 monitoring/reporting issues for Montgomery County Water System in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.

  • NC0362010
  • MT GILEAD
  • NC
  • 14,710 served

System profile

Source water Surface water
ZIP 27306
EPA system ID NC0362010

Verify this system on EPA ECHO →

Health-based violations, last 10 years
14
Resolved
14
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
18

Key facts

  • Montgomery County Water System draws water from 1 surface water intake.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit), 2025.
  • Most recent formal enforcement: compliance order (no penalty) by North Carolina, October 2025.
  • Record on file since 1984, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 5,372 unknown out of 5,873 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
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.078 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
220 Jul 1, 2025 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Apr 1, 2025 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
220 Apr 1, 2025 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Jan 1, 2025 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.07 mg/L, federal limit 0.06 mg/L (1.2 times the limit)
220 Jan 1, 2025 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.09 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
220 Oct 1, 2024 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Oct 1, 2024 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Jan 1, 2022 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Oct 1, 2021 Resolved No
CARBON, TOTAL
Treatment technique failure
210 Jul 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.062 mg/L, federal limit 0.06 mg/L (at or just above the limit)
220 Apr 1, 2021 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.061 mg/L, federal limit 0.06 mg/L (at or just above the limit)
220 Oct 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
220 Apr 1, 2019 Resolved No
Interim Enhanced Surface Water Treatment Rule
Treatment technique failure
120 Feb 1, 2019 Resolved Yes

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Haloacetic Acids (HAA5)
Monitoring and reporting
Aug 15, 2025 Active
Enforcement action in place
Public Notice
OTHER
Jun 19, 2025 Resolved
Public Notice
OTHER
Jun 19, 2025 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jun 1, 2025 Active
Enforcement action in place
Public Notice
OTHER
Apr 4, 2025 Resolved
Public Notice
OTHER
Apr 4, 2025 Resolved
CARBON, TOTAL
Monitoring and reporting
Apr 1, 2025 Resolved
CARBON, TOTAL
Monitoring and reporting
Apr 1, 2025 Resolved
Revised Total Coliform Rule
RPT
Mar 11, 2025 Resolved
Revised Total Coliform Rule
RPT
Oct 1, 2024 Resolved
Public Notice
OTHER
Mar 5, 2022 Resolved
Public Notice
OTHER
Jan 21, 2022 Resolved
Public Notice
OTHER
Jan 31, 2021 Resolved
Public Notice
OTHER
Jan 14, 2021 Resolved
Atrazine
Monitoring and reporting
Jan 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2019 Resolved
Chlorine
Monitoring and reporting
Jan 1, 2018 Resolved
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2018 Resolved

Full record since 1984

EPA's records for Montgomery County Water System go back to 1984. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 46 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 46
2010 to October 18, 2016 2 0
October 19, 2016 to 2019 2 4
2020s 12 14

Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began January 2016, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jan 1, 2016 Resolved
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
Jan 1, 2016 Resolved

Enforcement actions

North Carolina regulators took 14 formal enforcement actions against Montgomery County Water System between 2018 and 2025, filed as 17 records in EPA's data. The most recent was a compliance order (no penalty) in October 2025.

Date By Action Violations covered
Oct 1, 2025 North Carolina Compliance order (no penalty) 2 violations: Haloacetic Acids (HAA5)
Jul 29, 2025 North Carolina Compliance order (no penalty) 2 violations: CARBON, TOTAL
Jun 7, 2025 North Carolina Compliance order (no penalty) 1 violation: Revised Total Coliform Rule
Jan 9, 2025 North Carolina Compliance order (no penalty) 1 violation: Revised Total Coliform Rule
Nov 27, 2024 North Carolina Compliance order (no penalty) 7 violations (7 health-based): Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
May 6, 2022 North Carolina Compliance order (no penalty) 1 violation: Public Notice
Jul 29, 2021 North Carolina Compliance order (no penalty) 3 violations (3 health-based): CARBON, TOTAL
Dec 18, 2020 North Carolina Compliance order (no penalty) 2 violations (2 health-based): Haloacetic Acids (HAA5)
Jun 9, 2020 North Carolina Compliance order with a penalty 1 violation: Atrazine
Jan 31, 2020 North Carolina Compliance order (no penalty) 1 violation: Atrazine
Jun 18, 2019 North Carolina Compliance order (no penalty) 1 violation (1 health-based): Total Trihalomethanes (TTHMs)
May 6, 2019 North Carolina Compliance order (no penalty) 1 violation: Lead and Copper Rule
Feb 28, 2019 North Carolina Compliance order (no penalty) 1 violation (1 health-based): Interim Enhanced Surface Water Treatment Rule
Feb 21, 2018 North Carolina Compliance order (no penalty) 2 violations: Chlorine, Revised Total Coliform Rule

What the violations mean

Haloacetic Acids (HAA5)

6 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Total Trihalomethanes (TTHMs)

4 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

CARBON, TOTAL

3 incidents

The system did not complete a treatment step or action that federal rules require for CARBON, TOTAL (a treatment technique violation).

The utility had to notify customers about each of these violations.

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

Montgomery County Water System draws water from 1 surface water intake. 8 other community water systems buy water from Montgomery County Water System.

Community systems that buy water from it

Annual water quality report

Montgomery 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.