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Public water system record

Columbia County

Serves an area of Columbia County, GA that includes Martinez, Evans, Harlem and 1 more place · 124,763 people served

Federal records show 3 health-based violations and no monitoring/reporting issues for Columbia County in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • GA0730000
  • GROVETOWN
  • GA
  • 124,763 served

System profile

Source water Surface water
ZIP 30813
EPA system ID GA0730000

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Columbia County draws water from 1 well and 2 surface water intakes (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2025.
  • Record on file since 1996, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2,058 unknown out of 51,421 service lines.

Check whether Columbia County 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
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
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
 220 Oct 1, 2024 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jul 1, 2024 Resolved No

Full record since 1996

EPA's records for Columbia County go back to 1996. Before October 19, 2016 they list no health-based violations and 5 monitoring or reporting violations.

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

What the violations mean

Total Trihalomethanes (TTHMs)

3 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Where the water comes from

Columbia County draws water from 1 well and 2 surface water intakes (1 of them for emergency, seasonal or other part-time use). It also has an emergency connection to Augusta-Richmond Co WS. 2 other community water systems buy water from Columbia County. 1 other public water system has an emergency connection to Columbia County.

Emergency or part-time connections to

Community systems that buy water from it

Annual water quality report

Columbia County 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 Georgia.

Certified drinking water labs by state EPA guidance for private wells