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Lafayette County, Missouri — public water systems

At a glance

15 active public water systems are filed under Lafayette County, Missouri in EPA's SDWIS records, together reporting 37,596 people served. The largest is Lafayette County Pwsd 1, which reports serving 8,250 people. All 15 are community water systems serving people where they live.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

15

Population served

37.6K

Community systems

15

Groundwater share

60%

How does Lafayette County compare with other Missouri counties?

Lafayette County has the 53rd-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 37,596 people served in total, the 26th-largest county figure in the state and 0.6% of the statewide total. The average system here reports serving 2,506 people, about 22% above 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 Lafayette County's drinking water come from?

By primary water source, Lafayette County's active systems draw on purchased groundwater (5, 33%), purchased surface water (4, 27%), groundwater (4, 27%) and surface water (2, 13%). Overall, 60% rely mainly on groundwater (including purchased groundwater) and 40% on surface water, compared with 92% and 8.1% across Missouri. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. The county's largest system, Lafayette County Pwsd 1, draws primarily on purchased groundwater.

What kinds of water systems operate in Lafayette County?

Lafayette County's active systems break down as 15 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 local government (87%) and private (13%).

Water systems in Lafayette County

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Active public water systems in Lafayette County, Missouri
#Water systemCountyPopulation servedTypeSource
1Lafayette County Pwsd 1Lafayette8,250CommunityPurchased groundwater
2Laf Jo Saline County Cons Pwsd 2Lafayette + 2 more7,180CommunityPurchased surface water
3Odessa PwsLafayette5,202CommunityGroundwater
4Higginsville PwsLafayette4,800CommunitySurface water
5Lexington PwsLafayette4,729CommunityGroundwater
6Concordia PwsLafayette2,500CommunitySurface water
7WellsgateLafayette1,447CommunityGroundwater
8Waverly PwsLafayette900CommunityPurchased groundwater
9Wellington PwsLafayette812CommunityPurchased groundwater
10Alma PwsLafayette494CommunityPurchased surface water
11Lake Lafayette PwsLafayette327CommunityPurchased groundwater
12Twelve Oaks Water SystemLafayette314CommunityGroundwater
13Bates City PwsLafayette225CommunityPurchased groundwater
14Mayview PwsLafayette211CommunityPurchased surface water
15Emma PwsLafayette205CommunityPurchased surface water

Lafayette County water systems: frequently asked questions

How many public water systems are in Lafayette County, Missouri?

EPA's SDWIS records file 15 active public water systems under Lafayette County, Missouri: 15 community systems (100%).

Who supplies drinking water in Lafayette County, MO?

The largest community water systems filed under Lafayette County are Lafayette County Pwsd 1 (8,250 people served), Laf Jo Saline County Cons Pwsd 2 (7,180 people served) and Odessa Pws (5,202 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 Lafayette County's drinking water come from groundwater or surface water?

Of the 15 active public water systems in Lafayette County, 60% draw mainly on groundwater and 40% on surface water, counting purchased supplies. The largest system, Lafayette County Pwsd 1, uses purchased groundwater.

Where can I find a water quality report for Lafayette 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. 15 community systems are filed under Lafayette 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 Lafayette 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 Lafayette County, Missouri”, https://aquacensus.com/water-systems/missouri/lafayette (data as of October 1, 2026).