Skip to content
AquaCensus

Jefferson County, Nebraska — public water systems

At a glance

16 active public water systems are filed under Jefferson County, Nebraska in EPA's SDWIS records, together reporting 7,375 people served. The largest is City of Fairbury, which reports serving 3,707 people. 10 are community water systems serving people where they live; the other 6 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

16

Population served

7.4K

Community systems

10

Groundwater share

100%

How does Jefferson County compare with other Nebraska counties?

Jefferson County has the 25th-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 7,375 people served in total, the 35th-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 461 people, well 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 Jefferson County's drinking water come from?

By primary water source, Jefferson County's active systems draw on groundwater (14, 88%), purchased groundwater under influence (1, 6.3%) and groundwater under influence of surface water (1, 6.3%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 97% and 2.6% across Nebraska. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Fairbury, draws primarily on groundwater under influence of surface water.

What kinds of water systems operate in Jefferson County?

Jefferson County's active systems break down as 10 community systems (63%), 2 non-transient non-community systems (13%) and 4 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 non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. 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%), state government (19%) and private (6.3%).

Water systems in Jefferson County

🔒 Create a free account to export CSV
Active public water systems in Jefferson County, Nebraska
#Water systemCountyPopulation servedTypeSource
1Fairbury, City ofJefferson3,707CommunityGroundwater under influence of surface water
2Little Blue Nrd Rwd 1Jefferson1,580CommunityPurchased groundwater under influence
3Jefferson Co Dist 300 - Tri-CountyJefferson500Non-transient non-communityGroundwater
4Plymouth, Village ofJefferson400CommunityGroundwater
5Diller, Village ofJefferson269CommunityGroundwater
6Jefferson Co Dist 303 - MeridianJefferson250Non-transient non-communityGroundwater
7Daykin, Village ofJefferson153CommunityGroundwater
8Endicott, Village ofJefferson132CommunityGroundwater
9Jansen, Village ofJefferson99CommunityGroundwater
10Harbine, Village ofJefferson65CommunityGroundwater
11Reynolds, Village ofJefferson60CommunityGroundwater
12Steele City, Village ofJefferson60CommunityGroundwater
13Rock Creek Station Shp - Ng & PcJefferson25Transient non-communityGroundwater
14Alexandria Sra - Ng & PcJefferson25Transient non-communityGroundwater
15Fairbury Country ClubJefferson25Transient non-communityGroundwater
16Rock Creek Station Sra - Ng & PcJefferson25Transient non-communityGroundwater

Jefferson County water systems: frequently asked questions

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

EPA's SDWIS records file 16 active public water systems under Jefferson County, Nebraska: 10 community systems (63%), 2 non-transient non-community systems (13%) and 4 transient non-community systems (25%).

Who supplies drinking water in Jefferson County, NE?

The largest community water systems filed under Jefferson County are City of Fairbury (3,707 people served), Little Blue Nrd Rwd 1 (1,580 people served) and Village of Plymouth (400 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 Jefferson County's drinking water come from groundwater or surface water?

Of the 16 active public water systems in Jefferson County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, City of Fairbury, uses groundwater under influence of surface water.

Where can I find a water quality report for Jefferson 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. 10 community systems are filed under Jefferson 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 Jefferson 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 Jefferson County, Nebraska”, https://aquacensus.com/water-systems/nebraska/jefferson (data as of October 1, 2026).