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4/11/2025
Sarah Thiessen
Got water questions? Give us a call at 877-52-WATER (877-529-2837), or email us at info@wtga.us
Friday, April 11 2025 233 pm EDT
Lake Lanier supplies Gwinnett County with 65 million gallons of water per day
Gwinnett County: The county's main water source is supplied by Lake Lanier, named after the Georgia poet and musician, Sidney Lanier. As noted on the County website, "Gwinnett County draws an average of 65 million gallons per day from Lake Lanier to provide the public water supply for its businesses and roughly 800,000 residents."
Lake Lanier is also a main tourist attraction which attracts 8 million visitors every year with 68 parks, 1200 campsites and 10 marinas. Here you will also find Georgia's State fish, the Largemouth Bass.
For more Georgia Drinking Water Facility Profiles, click here.
Drinking Water Facility Profile: Gwinnett County Department of Water Resources
EPA Status: No violations identified
Owner: local government
Location: Gwinnett, GA
County: Gwinnett
Watershed: Ocmulgee
Active Permit: GA1350004
System Type: community water system
Activity Date: March 12, 1980
Population Served: 975000 residents and businesses through 260400 connections
Source: surface water
Treatment: According to the 2023 Annual Water Quality Report, "Gwinnett County receives its drinking water supply from Lake Sidney Lanier.
Water from the lake is drawn in through two large intake pipes underwater. That water, commonly called “raw water”, then travels
through pipes to one of two water filter plants, Shoal Creek or Lanier. It is then filtered and disinfected through advanced processes. Chlorine is added to keep the water clean as it travels through over 4,000 miles of pipes to homes, schools, and businesses around the County.
The water we use today is the same water that has been on Earth for millions of years. Because of this, it is incredibly important that we all do our part to take care of this precious and limited resource.
Gwinnett County has a completely different set of pipes spanning more than 1,600 miles that keeps our stormwater separate from drinking or wastewater. This water does not go to a treatment plant. Anything that goes down the storm drains leads straight to the waterways that we enjoy at our parks and in our backyards"
Admin Contact: Charlie Roberts 678-376-6715
EPA SDWA Compliance Inspection: Sanitary survey, complete Jan 10, 2024 (State)
Recommendations made for Pumps, security and treatment
Minor deficiencies in Finished Water Storage
The following information gathered from federal EPA pertains to the quarter ending Sept 30, 2024(data last refreshed on EPA database Jan 11, 2025)
Non-compliant inspections
(of the previous 12 quarters)
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with Significant Violations
(of the previous 12 quarters)
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Informal
Enforcement Actions
(last 5 yrs)
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Formal
Enforcement Actions
(last 5 years)
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0 out of 12
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0 out of 12
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EPA SDWA Violations and Non-Compliance History
No violations
*Note that drinking water information provided on this site is aggregated from the federal EPA database, state resources and local government sources where available.
EPA publishes violation and enforcement data quarterly, based on the inspection reports of the previous quarter. Water systems, states and EPA take up to three months to verify this data is accurate and complete.
Specific questions about your local water supply should be directed to the facility.
The EPA safe drinking water facilities data available to the public presents what is known to the government based upon the most recently available information for more than one million regulated facilities. EPA and states inspect a percentage of facilities each year, but many facilities, particularly smaller ones, may not have received a recent inspection. It is possible that facilities do have violations that have not yet been discovered, thus are shown as compliant in the system.
EPA cannot positively state that facilities without violations shown in ECHO are necessarily fully compliant with environmental laws. Additionally, some violations at smaller facilities do not need to be reported from the states to EPA. If ECHO shows a recent inspection and the facility is shown with no violations identified, users of the ECHO site can be more confident that the facility is in compliance with federal programs.
The compliance status of smaller facilities that have not had recent inspections or review by EPA or the states may be unknown or only available via state data systems.
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