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Washington County, Nebraska — public water systems

At a glance

19 active public water systems are filed under Washington County, Nebraska in EPA's SDWIS records, together reporting 18,110 people served. The largest is City of Blair, which reports serving 8,000 people. 11 are community water systems serving people where they live; the other 8 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

19

Population served

18.1K

Community systems

11

Groundwater share

31.6%

How does Washington County compare with other Nebraska counties?

Washington County has the 17th-most active public water systems among the 102 counties listed for active Nebraska systems in EPA records; among the 85 with 3 or more systems, the median has 10. Its systems report 18,110 people served in total, the 15th-largest county figure in the state and 1% of the statewide total. The average system here reports serving 953 people, about 35% below the Nebraska average of 1,472. 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 Washington County's drinking water come from?

By primary water source, Washington County's active systems draw on purchased surface water (12, 63%), groundwater (5, 26%), surface water (1, 5.3%) and purchased groundwater (1, 5.3%). Overall, 32% rely mainly on groundwater (including purchased groundwater) and 68% on surface water, compared with 97% and 2.6% across Nebraska. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. The county's largest system, City of Blair, draws primarily on surface water.

What kinds of water systems operate in Washington County?

Washington County's active systems break down as 11 community systems (58%) and 8 transient non-community systems (42%). 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 private (68%) and local government (32%).

Water systems in Washington County

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Active public water systems in Washington County, Nebraska
#Water systemCountyPopulation servedTypeSource
1Blair, City ofWashington8,000CommunitySurface water
2Washington Co Rural Water 1Washington1,964CommunityPurchased surface water
3Lakeland Estates Water CompanyWashington1,552CommunityPurchased surface water
4Kennard, Village ofWashington1,350CommunityPurchased surface water
5Arlington, Village ofWashington1,350CommunityGroundwater
6Washington Co Rural Water 2Washington1,218CommunityPurchased surface water
7Fort Calhoun, City ofWashington1,010CommunityPurchased surface water
8Cottonwood Marina LLCWashington354Transient non-communityPurchased surface water
9Country Estates Mobile Home ParkWashington300CommunityPurchased surface water
10Herman, Village ofWashington268CommunityPurchased groundwater
11Riverview Park Resort & Marina LLCWashington228Transient non-communityPurchased surface water
12River Bend CampgroundWashington130Transient non-communityPurchased surface water
13Shannon EstatesWashington100CommunityPurchased surface water
14Reach ChurchWashington65Transient non-communityGroundwater
15133 EstatesWashington61CommunityGroundwater
16Living Hope Christian CenterWashington60Transient non-communityGroundwater
17Cottonwood Inc.Washington50Transient non-communityPurchased surface water
18River Wilds Golf ClubWashington25Transient non-communityGroundwater
19Desoto Park Estates, Inc.Washington25Transient non-communityPurchased surface water

Washington County water systems: frequently asked questions

How many public water systems are in Washington County, Nebraska?

EPA's SDWIS records file 19 active public water systems under Washington County, Nebraska: 11 community systems (58%) and 8 transient non-community systems (42%).

Who supplies drinking water in Washington County, NE?

The largest community water systems filed under Washington County are City of Blair (8,000 people served), Washington Co Rural Water 1 (1,964 people served) and Lakeland Estates Water Company (1,552 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 Washington County's drinking water come from groundwater or surface water?

Of the 19 active public water systems in Washington County, 32% draw mainly on groundwater and 68% on surface water, counting purchased supplies. The largest system, City of Blair, uses surface water.

Where can I find a water quality report for Washington 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. 11 community systems are filed under Washington 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 Washington 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 Nebraska 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 Washington County, Nebraska”, https://aquacensus.com/water-systems/nebraska/washington (data as of October 1, 2026).