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Hillsborough County, Florida — public water systems

At a glance

722 active public water systems are filed under Hillsborough County, Florida in EPA's SDWIS records, together reporting 1,743,513 people served. The largest is City of Tampa Water Department, which reports serving 733,886 people. 186 are community water systems serving people where they live; the other 536 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

722

Population served

1.7M

Community systems

186

Groundwater share

96.1%

How does Hillsborough County compare with other Florida counties?

Hillsborough County has the 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 1,743,513 people served in total, the 3rd-largest county figure in the state and 7.7% of the statewide total. The average system here reports serving 2,415 people, about 44% 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 Hillsborough County's drinking water come from?

By primary water source, Hillsborough County's active systems draw on groundwater (693, 96%), purchased surface water (25, 3.5%), surface water (3, 0.4%) and purchased groundwater (1, 0.1%). Overall, 96% rely mainly on groundwater (including purchased groundwater) and 3.9% 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 Tampa Water Department, draws primarily on surface water.

What kinds of water systems operate in Hillsborough County?

Hillsborough County's active systems break down as 186 community systems (26%), 184 non-transient non-community systems (25%) and 352 transient non-community systems (49%). 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 (90%), local government (6.8%), state government (1.7%) and public/private partnership (1.1%).

The 50 largest water systems in Hillsborough County

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Active public water systems in Hillsborough County, Florida
#Water systemCountyPopulation servedTypeSource
1City of Tampa Water DepartmentHillsborough733,886CommunitySurface water
2Hcwrd/South-CentralHillsborough515,012CommunityPurchased surface water
3Hcwrc/Northwest UtilitiesHillsborough208,982CommunityPurchased surface water
4University of South FloridaHillsborough47,586CommunityGroundwater
5City of Plant City UtilityHillsborough41,601CommunityGroundwater
6City of Temple Terrace UtilityHillsborough31,250CommunityGroundwater
7Hcwrd/Seaboard UtilitiesHillsborough13,958CommunityPurchased surface water
8Fgua / MacdillHillsborough11,965CommunityPurchased surface water
9Hcwrc/Pebble Creek SubdivisionHillsborough4,757CommunityPurchased surface water
10St. Joseph'S HospitalHillsborough4,454Non-transient non-communityGroundwater
11Hcs/Strawberry Crest High/Bailey ElemHillsborough3,524Non-transient non-communityGroundwater
12Windemere UtilityHillsborough3,080CommunityGroundwater
13Hcs/Durant High SchoolHillsborough2,590Non-transient non-communityGroundwater
14Celm/Edward Medard ParkHillsborough2,500Transient non-communityGroundwater
15Paradise VillageHillsborough2,456CommunityGroundwater
16Meadows of CountrywoodHillsborough2,395CommunityGroundwater
17Hcwrd/EastlakeHillsborough2,074CommunityPurchased surface water
18Hcprd/William Owen Pass ParkHillsborough2,000Transient non-communityGroundwater
19Mcdonald'S #4514Hillsborough1,700Transient non-communityGroundwater
20Riverside Golf Course Community LLCHillsborough1,530CommunityGroundwater
21Alafia River State Park-Picnic AreaHillsborough1,500Transient non-communityGroundwater
22Cypress Cay Preserve Master AssociationHillsborough1,500CommunityPurchased surface water
23Ayla ApartmentsHillsborough1,344CommunityGroundwater
24Casa Verde Manufactured Home CommunityHillsborough1,250CommunityGroundwater
25Celm/Lithia SpringsHillsborough1,200Transient non-communityGroundwater
26Hcs/Turkey Creek Middle School/FfaHillsborough1,092Non-transient non-communityGroundwater
27Featherock MHPHillsborough1,044CommunityPurchased surface water
28Fishhawk Ridge Association Inc.Hillsborough1,001CommunityPurchased surface water
29Hillsborough River State ParkHillsborough1,001Transient non-communityGroundwater
30Raprager Family FarmHillsborough1,001Transient non-communityGroundwater
31Brandon Pointe CommunityHillsborough1,001CommunityPurchased surface water
32South Shore Falls South Master Meter #1Hillsborough995CommunityPurchased surface water
33Independence AcademyHillsborough928Non-transient non-communityGroundwater
34Circle K #9796Hillsborough911Transient non-communityGroundwater
35Hcs/Dover Elementary SchoolHillsborough862Non-transient non-communityGroundwater
36Lutz Preparatory SchoolHillsborough854Non-transient non-communityGroundwater
37Hcs/Pinecrest ElementaryHillsborough850Non-transient non-communityGroundwater
38Hcs/Cork Elementary SchoolHillsborough825Non-transient non-communityGroundwater
39Hcwrd/Hershel HeightsHillsborough812CommunityPurchased surface water
40Celm/Aldermans Ford ParkHillsborough800Transient non-communityGroundwater
41Hcprd/Pinecrest Football FieldHillsborough800Transient non-communityGroundwater
42Hcs/Knights Elementary SchoolHillsborough759Non-transient non-communityGroundwater
43Burger King # 9871Hillsborough700Transient non-communityGroundwater
44Racetrac #698Hillsborough700Transient non-communityGroundwater
45Jay Mar VillasHillsborough696Non-transient non-communityGroundwater
46River Vista Rv VillageHillsborough684CommunityGroundwater
47Silver Dollar Golf ClubHillsborough660CommunityGroundwater
48Learning Gate Community SchoolHillsborough651Non-transient non-communityGroundwater
49Hcs/Maniscalco ElementaryHillsborough650Non-transient non-communityGroundwater
50Hcwrc/Oakview EstatesHillsborough643CommunityPurchased groundwater

All other water systems in Hillsborough County (672)

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

Hillsborough County water systems: frequently asked questions

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

EPA's SDWIS records file 722 active public water systems under Hillsborough County, Florida: 186 community systems (26%), 184 non-transient non-community systems (25%) and 352 transient non-community systems (49%).

Who supplies drinking water in Hillsborough County, FL?

The largest community water systems filed under Hillsborough County are City of Tampa Water Department (733,886 people served), Hcwrd/South-Central (515,012 people served) and Hcwrc/Northwest Utilities (208,982 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 Hillsborough County's drinking water come from groundwater or surface water?

Of the 722 active public water systems in Hillsborough County, 96% draw mainly on groundwater and 3.9% on surface water, counting purchased supplies. The largest system, City of Tampa Water Department, uses surface water.

Where can I find a water quality report for Hillsborough 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. 186 community systems are filed under Hillsborough 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 Hillsborough 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 Hillsborough County, Florida”, https://aquacensus.com/water-systems/florida/hillsborough (data as of October 1, 2026).