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Sedgwick County, Colorado — public water systems

At a glance

4 active public water systems are filed under Sedgwick County, Colorado in EPA's SDWIS records, together reporting 1,794 people served. The largest is Town of Julesburg, which reports serving 1,225 people. 3 are community water systems serving people where they live; the other 1 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

4

Population served

1.8K

Community systems

3

Groundwater share

100%

How does Sedgwick County compare with other Colorado counties?

Sedgwick County has the 63rd-most active public water systems among the 113 counties listed for active Colorado systems in EPA records; among the 65 with 3 or more systems, the median has 18. Its systems report 1,794 people served in total, the 63rd-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 449 people, well below the Colorado average of 3,400. 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 Sedgwick County's drinking water come from?

By primary water source, Sedgwick 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 74% and 26% across Colorado. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Town of Julesburg, draws primarily on groundwater.

What kinds of water systems operate in Sedgwick County?

Sedgwick County's active systems break down as 3 community systems (75%) and 1 transient non-community systems (25%). 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 local government (75%) and private (25%).

Water systems in Sedgwick County

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Active public water systems in Sedgwick County, Colorado
#Water systemCountyPopulation servedTypeSource
1Julesburg Town ofSedgwick1,225CommunityGroundwater
2Ovid Town ofSedgwick259CommunityGroundwater
3Sedgwick Town ofSedgwick227CommunityGroundwater
4Lucys PlaceSedgwick83Transient non-communityGroundwater

Sedgwick County water systems: frequently asked questions

How many public water systems are in Sedgwick County, Colorado?

EPA's SDWIS records file 4 active public water systems under Sedgwick County, Colorado: 3 community systems (75%) and 1 transient non-community systems (25%).

Who supplies drinking water in Sedgwick County, CO?

The largest community water systems filed under Sedgwick County are Town of Julesburg (1,225 people served), Town of Ovid (259 people served) and Town of Sedgwick (227 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 Sedgwick County's drinking water come from groundwater or surface water?

Of the 4 active public water systems in Sedgwick County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Town of Julesburg, uses groundwater.

Where can I find a water quality report for Sedgwick 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. 3 community systems are filed under Sedgwick 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 Sedgwick 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 Colorado 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 Sedgwick County, Colorado”, https://aquacensus.com/water-systems/colorado/sedgwick (data as of October 1, 2026).