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Kerr County, Texas — public water systems

At a glance

98 active public water systems are filed under Kerr County, Texas in EPA's SDWIS records, together reporting 58,557 people served. The largest is City of Kerrville, which reports serving 23,489 people. 67 are community water systems serving people where they live; the other 31 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

98

Population served

58.6K

Community systems

67

Groundwater share

99%

How does Kerr County compare with other Texas counties?

Kerr County has the 8th-most active public water systems among the 309 counties listed for active Texas systems in EPA records; among the 234 with 3 or more systems, the median has 12. Its systems report 58,557 people served in total, the 64th-largest county figure in the state and 0.2% of the statewide total. The average system here reports serving 598 people, well below the Texas average of 4,789. 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 Kerr County's drinking water come from?

By primary water source, Kerr County's active systems draw on groundwater (96, 98%), surface water (1, 1%) and purchased groundwater (1, 1%). Overall, 99% rely mainly on groundwater (including purchased groundwater) and 1% on surface water, compared with 78% and 21% across Texas. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Kerrville, draws primarily on surface water.

What kinds of water systems operate in Kerr County?

Kerr County's active systems break down as 67 community systems (68%), 8 non-transient non-community systems (8.2%) and 23 transient non-community systems (23%). 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 (91%), local government (7.1%), state government (1%) and federal government (1%).

The 50 largest water systems in Kerr County

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Active public water systems in Kerr County, Texas
#Water systemCountyPopulation servedTypeSource
1City of KerrvilleKerr23,489CommunitySurface water
2Ingram Water SupplyKerr5,955CommunityGroundwater
3Loma Vista Water SystemKerr3,720CommunityGroundwater
4Four SeasonsKerr1,059CommunityGroundwater
5Southern HillsKerr1,005CommunityGroundwater
6Kerrville Va HospitalKerr1,000CommunityGroundwater
7Erlund SubdivisionKerr821CommunityGroundwater
8Txdot Kerr County SraKerr700Transient non-communityGroundwater
9Old River Road Rv ResortKerr699Transient non-communityGroundwater
10Guadalupe Heights UtilityKerr678CommunityGroundwater
11Ingram Oaks Retirement CommunityKerr669CommunityGroundwater
12Oak Forest South Water SupplyKerr648CommunityGroundwater
13Center Point Isd Pirate StadiumKerr600Non-transient non-communityGroundwater
14Bear Creek Scout ReservationKerr600Transient non-communityGroundwater
15Center Point Taylor SystemKerr531CommunityGroundwater
16Canyon Springs Water WorksKerr525CommunityGroundwater
17Ingram Tom Moore High SchoolKerr510Non-transient non-communityGroundwater
18Camp MysticKerr500Transient non-communityGroundwater
19Falling Water SubdivisionKerr471CommunityGroundwater
20Hills & DalesKerr456CommunityGroundwater
21Camp WaldemarKerr450Transient non-communityGroundwater
22Bear Paw Water SystemKerr429CommunityGroundwater
23Westcreek Estates Water SystemKerr423CommunityGroundwater
24Saddlewood SubdivisionKerr402CommunityGroundwater
25Texas Lions CampKerr400Non-transient non-communityGroundwater
26Camp Honey CreekKerr350Transient non-communityGroundwater
27Camp Stewart for BoysKerr350Transient non-communityGroundwater
28Westwood Water SystemKerr345CommunityGroundwater
29Cypress SpringsKerr339CommunityGroundwater
30Kerrville Rv Park and CabinsKerr336CommunityGroundwater
31Northwest Hills SubdivisionKerr330CommunityGroundwater
32Childrens Associations for Maximum PotenKerr320Transient non-communityGroundwater
33Woods WSCKerr315CommunityGroundwater
34Camp Rio VistaKerr300Transient non-communityGroundwater
35Hill Country Arts FoundationKerr300Transient non-communityGroundwater
36Aqua Vista UtilitiesKerr297CommunityGroundwater
37Hill River Country EstatesKerr297CommunityGroundwater
38Bumblebee HillsKerr273CommunityGroundwater
39Center Point North Water SystemKerr270CommunityGroundwater
40Hill Country CampKerr250Transient non-communityGroundwater
41Mo-Ranch Presbyterian AssemblyKerr250CommunityGroundwater
42Nickerson Farm Water SystemKerr240CommunityGroundwater
43Comfort Rv ParkKerr225Transient non-communityGroundwater
44Bridgets BasketKerr225Transient non-communityGroundwater
45Mary Mead Water SystemKerr223CommunityGroundwater
46La Hacienda Treatment CenterKerr220Non-transient non-communityGroundwater
47Verde Park EstatesKerr213CommunityGroundwater
48Camp ChrysalisKerr210Transient non-communityGroundwater
49Hermann Sons Youth Camp HilltopKerr200Transient non-communityGroundwater
50Comanche Trace Ranch and Golf ClubKerr200Non-transient non-communityGroundwater

All other water systems in Kerr County (48)

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

Kerr County water systems: frequently asked questions

How many public water systems are in Kerr County, Texas?

EPA's SDWIS records file 98 active public water systems under Kerr County, Texas: 67 community systems (68%), 8 non-transient non-community systems (8.2%) and 23 transient non-community systems (23%).

Who supplies drinking water in Kerr County, TX?

The largest community water systems filed under Kerr County are City of Kerrville (23,489 people served), Ingram Water Supply (5,955 people served) and Loma Vista Water System (3,720 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 Kerr County's drinking water come from groundwater or surface water?

Of the 98 active public water systems in Kerr County, 99% draw mainly on groundwater and 1% on surface water, counting purchased supplies. The largest system, City of Kerrville, uses surface water.

Where can I find a water quality report for Kerr 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. 67 community systems are filed under Kerr 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 Kerr 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 Texas 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 Kerr County, Texas”, https://aquacensus.com/water-systems/texas/kerr (data as of October 1, 2026).