Llano County, Missouri — public water systems
At a glance
4 active public water systems are filed under Llano County, Missouri in EPA's SDWIS records, together reporting 429 people served. The largest is Water Works 2 Island Lodges, which reports serving 162 people. All 4 are community water systems serving people where they live.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
4
Population served
429
Community systems
4
Groundwater share
50%
How does Llano County compare with other Missouri counties?
Llano County has the 120th-most active public water systems among the 182 counties listed for active Missouri systems in EPA records; among the 132 with 3 or more systems, the median has 13. Its systems report 429 people served in total, the 150th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 107 people, well below the Missouri average of 2,049. 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 Llano County's drinking water come from?
By primary water source, Llano County's active systems draw on purchased surface water (2, 50%) and groundwater (2, 50%). Overall, 50% rely mainly on groundwater (including purchased groundwater) and 50% on surface water, compared with 92% and 8.1% across Missouri. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Water Works 2 Island Lodges, draws primarily on purchased surface water.
What kinds of water systems operate in Llano County?
Llano County's active systems break down as 4 community systems (100%). 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. EPA lists their owner types as private (100%).
Water systems in Llano County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Water Works 2 Island Lodges | Llano | 162 | Community | Purchased surface water |
| 2 | Flag Creek Ranch | Llano | 117 | Community | Groundwater |
| 3 | Water Works 1 Floyd Acres | Llano | 78 | Community | Purchased surface water |
| 4 | Deer Country WSC | Llano | 72 | Community | Groundwater |
Llano County water systems: frequently asked questions
How many public water systems are in Llano County, Missouri?
EPA's SDWIS records file 4 active public water systems under Llano County, Missouri: 4 community systems (100%).
Who supplies drinking water in Llano County, MO?
The largest community water systems filed under Llano County are Water Works 2 Island Lodges (162 people served), Flag Creek Ranch (117 people served) and Water Works 1 Floyd Acres (78 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 Llano County's drinking water come from groundwater or surface water?
Of the 4 active public water systems in Llano County, 50% draw mainly on groundwater and 50% on surface water, counting purchased supplies. The largest system, Water Works 2 Island Lodges, uses purchased surface water.
Where can I find a water quality report for Llano 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. 4 community systems are filed under Llano 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 Llano 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 Missouri 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 Llano County, Missouri”, https://aquacensus.com/water-systems/missouri/llano (data as of October 1, 2026).