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Osage County, Kansas — public water systems

At a glance

17 active public water systems are filed under Osage County, Kansas in EPA's SDWIS records, together reporting 18,239 people served. The largest is Osage Co Rwd 5, which reports serving 3,875 people. 16 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

17

Population served

18.2K

Community systems

16

Groundwater share

11.8%

How does Osage County compare with other Kansas counties?

Osage County has the 11th-most active public water systems among the 136 counties listed for active Kansas systems in EPA records; among the 101 with 3 or more systems, the median has 9. Its systems report 18,239 people served in total, the 30th-largest county figure in the state and 0.6% of the statewide total. The average system here reports serving 1,073 people, about 62% below the Kansas average of 2,800. 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 Osage County's drinking water come from?

By primary water source, Osage County's active systems draw on purchased surface water (11, 65%), surface water (4, 24%) and groundwater (2, 12%). Overall, 12% rely mainly on groundwater (including purchased groundwater) and 88% on surface water, compared with 66% and 34% across Kansas. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, Osage Co Rwd 5, draws primarily on purchased surface water.

What kinds of water systems operate in Osage County?

Osage County's active systems break down as 16 community systems (94%) and 1 transient non-community systems (5.9%). 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 (94%) and state government (5.9%).

Water systems in Osage County

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Active public water systems in Osage County, Kansas
#Water systemCountyPopulation servedTypeSource
1Osage Co Rwd 5Osage3,875CommunityPurchased surface water
2Osage City, City ofOsage2,809CommunitySurface water
3Osage Co Rwd 8Osage2,240CommunityPurchased surface water
4Osage Co Rwd 7Osage1,430CommunityPurchased surface water
5Carbondale, City ofOsage1,344CommunitySurface water
6Lyndon, City ofOsage1,049CommunityPurchased surface water
7Overbrook, City ofOsage999CommunityGroundwater
8Burlingame, City ofOsage955CommunityPurchased surface water
9Osage Co Rwd 3Osage900CommunitySurface water
10Scranton, City ofOsage651CommunityPurchased surface water
11Osage Co Rwd 4Osage500CommunityPurchased surface water
12Osage Co Rwd 2Osage440CommunityGroundwater
13Osage Co Rwd 6Osage383CommunityPurchased surface water
14Melvern, City ofOsage351CommunityPurchased surface water
15Quenemo, City ofOsage287CommunityPurchased surface water
16Melvern Res Arrow RockOsage25Transient non-communityPurchased surface water
17Public Wholesale Wsd 12Osage1CommunitySurface water

Osage County water systems: frequently asked questions

How many public water systems are in Osage County, Kansas?

EPA's SDWIS records file 17 active public water systems under Osage County, Kansas: 16 community systems (94%) and 1 transient non-community systems (5.9%).

Who supplies drinking water in Osage County, KS?

The largest community water systems filed under Osage County are Osage Co Rwd 5 (3,875 people served), City of Osage City (2,809 people served) and Osage Co Rwd 8 (2,240 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 Osage County's drinking water come from groundwater or surface water?

Of the 17 active public water systems in Osage County, 12% draw mainly on groundwater and 88% on surface water, counting purchased supplies. The largest system, Osage Co Rwd 5, uses purchased surface water.

Where can I find a water quality report for Osage 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. 16 community systems are filed under Osage 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 Osage 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 Kansas 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 Osage County, Kansas”, https://aquacensus.com/water-systems/kansas/osage (data as of October 1, 2026).