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Parker County, Missouri — public water systems

At a glance

4 active public water systems are filed under Parker County, Missouri in EPA's SDWIS records, together reporting 1,548 people served. The largest is Abraxas Utilities, which reports serving 792 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

1.5K

Community systems

4

Groundwater share

100%

How does Parker County compare with other Missouri counties?

Parker County has the 122nd-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 1,548 people served in total, the 129th-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 387 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 Parker County's drinking water come from?

By primary water source, Parker County's active systems draw on groundwater (4, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 92% and 8.1% across Missouri. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Abraxas Utilities, draws primarily on groundwater.

What kinds of water systems operate in Parker County?

Parker 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 Parker County

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Active public water systems in Parker County, Missouri
#Water systemCountyPopulation servedTypeSource
1Abraxas UtilitiesParker792CommunityGroundwater
2Rjr WaterParker432CommunityGroundwater
3Crazy Horse Ranch WaterParker210CommunityGroundwater
4Treetop EstatesParker114CommunityGroundwater

Parker County water systems: frequently asked questions

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

EPA's SDWIS records file 4 active public water systems under Parker County, Missouri: 4 community systems (100%).

Who supplies drinking water in Parker County, MO?

The largest community water systems filed under Parker County are Abraxas Utilities (792 people served), Rjr Water (432 people served) and Crazy Horse Ranch Water (210 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 Parker County's drinking water come from groundwater or surface water?

Of the 4 active public water systems in Parker County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Abraxas Utilities, uses groundwater.

Where can I find a water quality report for Parker 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 Parker 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 Parker 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 Parker County, Missouri”, https://aquacensus.com/water-systems/missouri/parker (data as of October 1, 2026).