Skip to content
AquaCensus

San Jacinto County, Texas — public water systems

At a glance

37 active public water systems are filed under San Jacinto County, Texas in EPA's SDWIS records, together reporting 33,112 people served. The largest is San Jacinto Sud, which reports serving 3,993 people. 31 are community water systems serving people where they live; the other 6 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

37

Population served

33.1K

Community systems

31

Groundwater share

100%

How does San Jacinto County compare with other Texas counties?

San Jacinto County has the 37th-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 33,112 people served in total, the 88th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 895 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 San Jacinto County's drinking water come from?

By primary water source, San Jacinto County's active systems draw on groundwater (36, 97%) and purchased groundwater (1, 2.7%). Overall, all rely mainly on groundwater (including purchased groundwater) and none 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, San Jacinto Sud, draws primarily on groundwater.

What kinds of water systems operate in San Jacinto County?

San Jacinto County's active systems break down as 31 community systems (84%) and 6 transient non-community systems (16%). 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 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 (68%) and local government (32%).

Water systems in San Jacinto County

🔒 Create a free account to export CSV
Active public water systems in San Jacinto County, Texas
#Water systemCountyPopulation servedTypeSource
1San Jacinto SudSan Jacinto3,993CommunityGroundwater
2City of ShepherdSan Jacinto3,411CommunityGroundwater
3One Five O WSCSan Jacinto3,094CommunityGroundwater
4Dodge Oakhurst WSC 2San Jacinto2,500CommunityGroundwater
5Mercy WSCSan Jacinto2,458CommunityGroundwater
6Holiday Villages of LivingstonSan Jacinto2,272CommunityGroundwater
7Pb & Sc Water Supply CorporationSan Jacinto2,163CommunityGroundwater
8Cape Royale Utility DistrictSan Jacinto2,154CommunityGroundwater
9Waterwood MUD 1San Jacinto1,494CommunityGroundwater
10Trails End SubdivisionSan Jacinto1,444CommunityGroundwater
11Lake Livingston NorthwoodsSan Jacinto1,159CommunityGroundwater
12Lake Livingston Holiday Shores 1 2 3San Jacinto939CommunityGroundwater
13Camilla WSCSan Jacinto861CommunityGroundwater
14Lake Livingston Lake Run A MuckSan Jacinto740CommunityGroundwater
15Camp Strake WTPSan Jacinto501Transient non-communityGroundwater
16Tra Wolf Creek ParkSan Jacinto500Transient non-communityGroundwater
17Governors PointSan Jacinto463CommunityGroundwater
18Camilla Twin HarborSan Jacinto399CommunityGroundwater
19Coldspring Terrace Water SystemSan Jacinto348CommunityGroundwater
20Cedar Valley SubdivisionSan Jacinto262CommunityGroundwater
21Lake Livingston TejasSan Jacinto222CommunityGroundwater
22Camilla CovesSan Jacinto180CommunityGroundwater
23Lake Waterwheel EstatesSan Jacinto177CommunityGroundwater
24Lake Livingston Cozy ForestSan Jacinto166CommunityGroundwater
25Lake Livingston Holiday Shores 4San Jacinto162CommunityGroundwater
26Lake Livingston Paradise CoveSan Jacinto162CommunityGroundwater
27Lake Livingston Flowing WellsSan Jacinto144CommunityGroundwater
28Made in the Shade Rv ParkSan Jacinto123Transient non-communityGroundwater
29Tanglewood Forest SubdivisionSan Jacinto118CommunityGroundwater
30Lake Livingston Wild Bird Country WaterSan Jacinto107CommunityGroundwater
31Lakeview Hills PoaSan Jacinto93CommunityGroundwater
32Shepherd Hills EstatesSan Jacinto85CommunityGroundwater
33Wildwood Estates Subdivision Water SysteSan Jacinto69CommunityGroundwater
34Emerald EstatesSan Jacinto49CommunityPurchased groundwater
35Olde Magnolia Place Rv ParkSan Jacinto45Transient non-communityGroundwater
36Deep Waters Rv ParkSan Jacinto30Transient non-communityGroundwater
37Saryu Eleanor SpringSan Jacinto25Transient non-communityGroundwater

San Jacinto County water systems: frequently asked questions

How many public water systems are in San Jacinto County, Texas?

EPA's SDWIS records file 37 active public water systems under San Jacinto County, Texas: 31 community systems (84%) and 6 transient non-community systems (16%).

Who supplies drinking water in San Jacinto County, TX?

The largest community water systems filed under San Jacinto County are San Jacinto Sud (3,993 people served), City of Shepherd (3,411 people served) and One Five O WSC (3,094 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 San Jacinto County's drinking water come from groundwater or surface water?

Of the 37 active public water systems in San Jacinto County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, San Jacinto Sud, uses groundwater.

Where can I find a water quality report for San Jacinto 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. 31 community systems are filed under San Jacinto 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 San Jacinto 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 San Jacinto County, Texas”, https://aquacensus.com/water-systems/texas/san-jacinto (data as of October 1, 2026).