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Lake County, Florida — public water systems

At a glance

275 active public water systems are filed under Lake County, Florida in EPA's SDWIS records, together reporting 431,494 people served. The largest is City of Leesburg, which reports serving 46,921 people. 136 are community water systems serving people where they live; the other 139 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

275

Population served

431.5K

Community systems

136

Groundwater share

100%

How does Lake County compare with other Florida counties?

Lake County has the 4th-most active public water systems among the 138 counties listed for active Florida systems in EPA records; among the 71 with 3 or more systems, the median has 41. Its systems report 431,494 people served in total, the 15th-largest county figure in the state and 1.9% of the statewide total. The average system here reports serving 1,569 people, about 64% below the Florida average of 4,345. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.

Where does Lake County's drinking water come from?

By primary water source, Lake County's active systems draw on groundwater (273, 99%) and purchased groundwater (2, 0.7%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 98% and 2.1% across Florida. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Leesburg, draws primarily on groundwater.

What kinds of water systems operate in Lake County?

Lake County's active systems break down as 136 community systems (49%), 29 non-transient non-community systems (11%) and 110 transient non-community systems (40%). 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. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (75%), public/private partnership (13%), local government (9.5%) and federal government (2.2%).

The 50 largest water systems in Lake County

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Active public water systems in Lake County, Florida
#Water systemCountyPopulation servedTypeSource
1Leesburg, City ofLake46,921CommunityGroundwater
2Eustis, City of (4 Wtps)Lake39,721CommunityGroundwater
3Mount Dora, City of (2wps)Lake39,710CommunityGroundwater
4Clermont East Water System (2 Wps)Lake39,279CommunityGroundwater
5Lake Utility Services Inc. North (8 Wps)Lake24,798CommunityGroundwater
6Groveland Water DepartmentLake23,628CommunityGroundwater
7Tavares Water Department (4 Wps)Lake22,007CommunityGroundwater
8Minneola Water Department (2 Wps)Lake20,605CommunityGroundwater
9Villages of Lake-Sumter - Wtps 1, 3, ; 5Lake18,675CommunityGroundwater
10Lake Utility Services Inc. SouthLake13,198CommunityGroundwater
11Mascotte Water DepartmentLake12,355CommunityGroundwater
12Clermont, City of (2 Wps)Lake10,048CommunityGroundwater
13Southlake UtilitiesLake9,950CommunityGroundwater
14City of Leesburg / EastLake9,727CommunityGroundwater
15Lady Lake Central - Wps 1,2,3Lake7,090CommunityGroundwater
16Sugarloaf Water Treatment PlantLake5,807CommunityGroundwater
17Leesburg/the PlantationLake5,141CommunityGroundwater
18Fruitland Park, City of (3 Wps)Lake5,127CommunityGroundwater
19Umatilla Water Works (2 Wps)Lake3,948CommunityGroundwater
20Eustis Eastern WTPLake3,301CommunityGroundwater
21Leesburg/Royal HighlandsLake3,248CommunityGroundwater
22Clerbrook Rv Resorts (2 Wps)Lake3,142CommunityGroundwater
23Mid-Florida Lakes Yacht ClubLake3,065CommunityGroundwater
24St. John'S River Utility Inc.Lake2,498CommunityGroundwater
25PennbrookeLake2,488CommunityGroundwater
26Leesburg/Highland LakesLake2,446CommunityGroundwater
27Silver Lake EstatesLake2,355CommunityGroundwater
28Howey in the Hills (2 Wps)Lake2,027CommunityGroundwater
29Hawthorne at LeesburgLake1,883CommunityGroundwater
30Holiday Rv VillageLake1,725CommunityGroundwater
31Lake Correctional InstitutionLake1,500CommunityGroundwater
32Water Oak Country Club EstatesLake1,465CommunityGroundwater
33Harbor Hills - 2 WtpsLake1,219CommunityGroundwater
34Lake Griffin Isles MHP (2 Wtps)Lake1,212CommunityGroundwater
35Round Lake Charter SchoolLake1,200Non-transient non-communityGroundwater
36Montverde Water Department (2wps)Lake1,198CommunityGroundwater
37Heathrow Country Estates (Red Tail)Lake1,057CommunityGroundwater
38Oak Springs Mobile Home ParkLake993CommunityGroundwater
39Wedgewood SubdivisionLake980CommunityGroundwater
40Western Shores SubdivisionLake963CommunityGroundwater
41Astatula Elementary SchoolLake900Non-transient non-communityGroundwater
42Seminole Springs ElementaryLake900Non-transient non-communityGroundwater
43Montverde Mobile Home SdLake800CommunityGroundwater
44Summit Chase VillasLake770CommunityGroundwater
45Sunlake EstatesLake751CommunityGroundwater
46Valencia Terrace SubdivisionLake750CommunityGroundwater
47King'S Cove SubdivisionLake732CommunityGroundwater
48Fairways at Mount PlymouthLake660CommunityGroundwater
49Spring Creek Charter SchoolLake640Non-transient non-communityGroundwater
50Black Bear ReserveLake625CommunityGroundwater

All other water systems in Lake County (225)

The remaining active systems filed under Lake County, largest first, with the population each reports serving.

Lake County water systems: frequently asked questions

How many public water systems are in Lake County, Florida?

EPA's SDWIS records file 275 active public water systems under Lake County, Florida: 136 community systems (49%), 29 non-transient non-community systems (11%) and 110 transient non-community systems (40%).

Who supplies drinking water in Lake County, FL?

The largest community water systems filed under Lake County are City of Leesburg (46,921 people served), Eustis, City of (4 Wtps) (39,721 people served) and Mount Dora, City of (2wps) (39,710 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.

Does Lake County's drinking water come from groundwater or surface water?

Of the 275 active public water systems in Lake County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Leesburg, uses groundwater.

Where can I find a water quality report for Lake County?

Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 136 community systems are filed under Lake County, so the report to look for is the one from the system that supplies your address.

How can I check violations for a water system in Lake County?

Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.

More Florida water systems

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, “Public water systems in Lake County, Florida”, https://aquacensus.com/water-systems/florida/lake (data as of October 1, 2026).