Public water system · GA0890001
ActiveDekalb County
At a glance
Dekalb County (PWSID GA0890001) is an active community water system in DeKalb County, Georgia. It reports serving 743,000 people through 193,679 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
743,000
Service connections
193,679
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Dekalb County compare with other water systems in DeKalb County?
By EPA's size categories, Dekalb County is a very large system (more than 100,000 people). DeKalb County has 2 active public water systems, and Dekalb County is the 2nd-largest of them by population served. Its population served is about 19% below the county average of 916,447 people per system, and accounts for 41% of the 1,832,893 people reported by systems filed under the county. Across Georgia, the 2,375 active systems average 4,525 people each. Nationally, the average active community water system reports serving 6,703 people, so Dekalb County is about 111 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Georgia has 1,724 active community water systems, 73% of the state's 2,375 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 103 Georgia systems (4.3%) list surface water as their primary source.
Who owns and regulates Dekalb County?
EPA lists Dekalb County as owned by a local government. The GA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 2 active systems in DeKalb County (100%) are also owned by a local government.
Does Dekalb County have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2021. The violations listed here began between January 2007 and July 2021. By type: 2 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 3 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2014-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
All 3 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Dekalb County: frequently asked questions
Who runs Dekalb County?
Dekalb County (PWSID GA0890001) is a community water system owned by a local government. It is regulated by the GA state drinking water program.
How many people does Dekalb County serve?
Dekalb County reports serving 743,000 people through 193,679 service connections in DeKalb County, Georgia.
Where does Dekalb County get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Dekalb County have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2021. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Dekalb County's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the GA state drinking water program.
Where can I find Dekalb County's water quality report?
As a community water system, Dekalb County must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in DeKalb County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Atlanta | DeKalb + 1 more | 1,089,893 | Community | Surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Dekalb County, PWSID GA0890001, Georgia”, https://aquacensus.com/water-systems/georgia/dekalb-county-ga0890001 (data as of October 1, 2026).