Matagorda County, Texas — public water systems
At a glance
42 active public water systems are filed under Matagorda County, Texas in EPA's SDWIS records, together reporting 39,524 people served. The largest is City of Bay City, which reports serving 18,061 people. 25 are community water systems serving people where they live; the other 17 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
42
Population served
39.5K
Community systems
25
Groundwater share
100%
How does Matagorda County compare with other Texas counties?
Matagorda County has the 34th-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 39,524 people served in total, the 83rd-largest county figure in the state and 0.1% of the statewide total. The average system here reports serving 941 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 Matagorda County's drinking water come from?
By primary water source, Matagorda County's active systems draw on groundwater (42, 100%). 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, City of Bay City, draws primarily on groundwater.
What kinds of water systems operate in Matagorda County?
Matagorda County's active systems break down as 25 community systems (60%), 6 non-transient non-community systems (14%) and 11 transient non-community systems (26%). 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 (62%) and local government (38%).
Water systems in Matagorda County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | City of Bay City | Matagorda | 18,061 | Community | Groundwater |
| 2 | City of Palacios | Matagorda | 4,700 | Community | Groundwater |
| 3 | Caney Creek MUD of Matagorda County | Matagorda | 2,764 | Community | Groundwater |
| 4 | Matagorda WSC | Matagorda | 1,746 | Community | Groundwater |
| 5 | Matagorda County Wcid 6 | Matagorda | 1,518 | Community | Groundwater |
| 6 | Markham MUD | Matagorda | 1,400 | Community | Groundwater |
| 7 | Matagorda County Wcid 5 | Matagorda | 1,128 | Community | Groundwater |
| 8 | Tres Palacios Oaks Subdivision | Matagorda | 774 | Community | Groundwater |
| 9 | Selkirk WSC | Matagorda | 678 | Community | Groundwater |
| 10 | Main Potable Water System | Matagorda | 603 | Non-transient non-community | Groundwater |
| 11 | Wadsworth WSC | Matagorda | 570 | Community | Groundwater |
| 12 | Matagorda County Wcid 2 | Matagorda | 564 | Community | Groundwater |
| 13 | Nsc Ntf Potable Water System | Matagorda | 502 | Non-transient non-community | Groundwater |
| 14 | Tidehaven Consolidated Jr & Sr High Tisd | Matagorda | 500 | Non-transient non-community | Groundwater |
| 15 | Matagorda Dunes Subdivision | Matagorda | 429 | Community | Groundwater |
| 16 | Midfield WSC | Matagorda | 426 | Community | Groundwater |
| 17 | River Oaks WSC | Matagorda | 382 | Community | Groundwater |
| 18 | Camelot Forest Water System | Matagorda | 297 | Community | Groundwater |
| 19 | Equistar Chemical Lp | Matagorda | 210 | Non-transient non-community | Groundwater |
| 20 | Tc Country Store | Matagorda | 203 | Transient non-community | Groundwater |
| 21 | Oxea Corporation Bay City Plant | Matagorda | 192 | Non-transient non-community | Groundwater |
| 22 | Tidewater Oaks Subdivision | Matagorda | 189 | Community | Groundwater |
| 23 | Old Oaks Resort | Matagorda | 162 | Transient non-community | Groundwater |
| 24 | Letulle Estates Chinquapin 1 | Matagorda | 150 | Community | Groundwater |
| 25 | Stonebridge Rv Park | Matagorda | 147 | Transient non-community | Groundwater |
| 26 | Spanish Bit Plantation Subdivision | Matagorda | 126 | Community | Groundwater |
| 27 | Eldorado Water | Matagorda | 120 | Community | Groundwater |
| 28 | Rio Colorado Golf Course | Matagorda | 100 | Transient non-community | Groundwater |
| 29 | River Bend Water Services | Matagorda | 100 | Community | Groundwater |
| 30 | Riverside Park Water Bay City | Matagorda | 100 | Transient non-community | Groundwater |
| 31 | Frost Mobile Home Park | Matagorda | 84 | Community | Groundwater |
| 32 | Oak Hollow Subdivision | Matagorda | 78 | Community | Groundwater |
| 33 | Bowers Shrimp Farm | Matagorda | 75 | Non-transient non-community | Groundwater |
| 34 | Holiday Harbor Subdivision | Matagorda | 75 | Community | Groundwater |
| 35 | City of Bay City Letulle Park | Matagorda | 70 | Transient non-community | Groundwater |
| 36 | Berts Rv Park | Matagorda | 60 | Transient non-community | Groundwater |
| 37 | Lighthouse Landing Rv Park | Matagorda | 55 | Transient non-community | Groundwater |
| 38 | Waypoint Landing | Matagorda | 54 | Community | Groundwater |
| 39 | Matagorda County Nature Center Inc. | Matagorda | 52 | Transient non-community | Groundwater |
| 40 | Live Oak Landing Subdivision | Matagorda | 30 | Community | Groundwater |
| 41 | Nile Valley Rv Park | Matagorda | 28 | Transient non-community | Groundwater |
| 42 | Sh Rv Park | Matagorda | 22 | Transient non-community | Groundwater |
Matagorda County water systems: frequently asked questions
How many public water systems are in Matagorda County, Texas?
EPA's SDWIS records file 42 active public water systems under Matagorda County, Texas: 25 community systems (60%), 6 non-transient non-community systems (14%) and 11 transient non-community systems (26%).
Who supplies drinking water in Matagorda County, TX?
The largest community water systems filed under Matagorda County are City of Bay City (18,061 people served), City of Palacios (4,700 people served) and Caney Creek MUD of Matagorda County (2,764 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 Matagorda County's drinking water come from groundwater or surface water?
Of the 42 active public water systems in Matagorda County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Bay City, uses groundwater.
Where can I find a water quality report for Matagorda 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. 25 community systems are filed under Matagorda 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 Matagorda 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 Matagorda County, Texas”, https://aquacensus.com/water-systems/texas/matagorda (data as of October 1, 2026).