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Deschutes County, Oregon — public water systems

At a glance

135 active public water systems are filed under Deschutes County, Oregon in EPA's SDWIS records, together reporting 204,467 people served. The largest is City of Bend, which reports serving 77,704 people. 66 are community water systems serving people where they live; the other 69 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

135

Population served

204.5K

Community systems

66

Groundwater share

99.3%

How does Deschutes County compare with other Oregon counties?

Deschutes County has the 7th-most active public water systems among the 57 counties listed for active Oregon systems in EPA records; among the 38 with 3 or more systems, the median has 41. Its systems report 204,467 people served in total, the 6th-largest county figure in the state and 5.1% of the statewide total. The average system here reports serving 1,515 people, roughly in line with the Oregon average of 1,587. 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 Deschutes County's drinking water come from?

By primary water source, Deschutes County's active systems draw on groundwater (128, 95%), purchased groundwater (6, 4.4%) and surface water (1, 0.7%). Overall, 99% rely mainly on groundwater (including purchased groundwater) and 0.7% on surface water, compared with 88% and 12% across Oregon. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Bend, draws primarily on surface water.

What kinds of water systems operate in Deschutes County?

Deschutes County's active systems break down as 66 community systems (49%), 9 non-transient non-community systems (6.7%) and 60 transient non-community systems (44%). 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 private (70%), federal government (15%), local government (10%) and state government (5.2%).

The 50 largest water systems in Deschutes County

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Active public water systems in Deschutes County, Oregon
#Water systemCountyPopulation servedTypeSource
1Bend, City ofDeschutes77,704CommunitySurface water
2Redmond Water DepartmentDeschutes37,566CommunityGroundwater
3Avion Wc - Greater AvionDeschutes35,332CommunityGroundwater
4Roats Water SystemDeschutes6,469CommunityGroundwater
5Sunriver Water LLC/Sunriver UtilitiesDeschutes4,300CommunityGroundwater
6Sisters, City ofDeschutes3,778CommunityGroundwater
7Agate Water SystemDeschutes3,153CommunityGroundwater
8La Pine, City ofDeschutes2,807CommunityGroundwater
9Oregon Water Utilities - Cline Butte Inc.Deschutes2,526CommunityGroundwater
10Oprd Smith Rock State ParkDeschutes2,328Transient non-communityGroundwater
11Water Wonderland Improv Dist 2Deschutes1,800CommunityGroundwater
12Mt Bachelor Inc.Deschutes1,726Non-transient non-communityGroundwater
13Terrebonne Domestic Water DistrictDeschutes1,400CommunityGroundwater
14Ponderosa Pines Water CompanyDeschutes900CommunityGroundwater
15Oprd Tumalo State ParkDeschutes895Transient non-communityGroundwater
16Tollgate Water CompanyDeschutes800CommunityGroundwater
17Laidlaw Water DistrictDeschutes740CommunityGroundwater
18Black Butte Ranch CorporationDeschutes740CommunityGroundwater
19Sun Mountain Water System LLCDeschutes740CommunityGroundwater
20Oprd Cline Falls State ParkDeschutes712Transient non-communityGroundwater
21Thousand Trails Inc.Deschutes575Transient non-communityGroundwater
22Water Wonderland Improv Dist 1Deschutes550CommunityGroundwater
23Indian Meadow Water CompanyDeschutes500CommunityGroundwater
24High Desert MuseumDeschutes493Non-transient non-communityGroundwater
25Avion Wc - ChaparralDeschutes470CommunityGroundwater
26Cimmarron City Water SystemDeschutes450CommunityGroundwater
27River Meadows Improvement DistDeschutes432CommunityGroundwater
28Avion Wc - Whychus CreekDeschutes428CommunityGroundwater
29Seventh Mountain ResortDeschutes400Non-transient non-communityGroundwater
30Eagle Crest ResortDeschutes400CommunityGroundwater
31Alfalfa Water LLCDeschutes400Transient non-communityGroundwater
32Usfs Cultus Lake CgDeschutes400Transient non-communityGroundwater
33Usfs Crane Prairie CgDeschutes395Transient non-communityGroundwater
34Avion Wc - Sun Country Wtr SaddlebackDeschutes300CommunityGroundwater
35Bend Metro Parks-Shevlin ParkDeschutes300Transient non-communityGroundwater
36Bend Metro Parks-Skyline ParkDeschutes300Transient non-communityGroundwater
37Smgv/Widgi CreekDeschutes300CommunityGroundwater
38Oprd La Pine Rec Area/Day UseDeschutes300Transient non-communityGroundwater
39Oprd La Pine Rec Area-O/NiteDeschutes300Transient non-communityGroundwater
40Avion Wc - Wild RiverDeschutes276CommunityGroundwater
41Cascades Academy of Central OregonDeschutes260Non-transient non-communityGroundwater
42Spring River PlazaDeschutes250Transient non-communityGroundwater
43Hidden Valley Mobile Home EstatesDeschutes240CommunityGroundwater
44Avion Wc - Tumalo RimDeschutes225CommunityGroundwater
45High Desert Sports ComplexDeschutes220Transient non-communityGroundwater
46Usfs Lava Lake CampgroundDeschutes210Transient non-communityGroundwater
47Twin Lakes Resort and Rv ParkDeschutes205Transient non-communityGroundwater
48Paulina Lake Lodge Inc.Deschutes200Transient non-communityGroundwater
49Oregon Youth Challenge ProgramDeschutes200Non-transient non-communityGroundwater
50Avion Wc - South Redmond HeightsDeschutes190CommunityGroundwater

All other water systems in Deschutes County (85)

The remaining active systems filed under Deschutes County, largest first, with the population each reports serving.

Deschutes County water systems: frequently asked questions

How many public water systems are in Deschutes County, Oregon?

EPA's SDWIS records file 135 active public water systems under Deschutes County, Oregon: 66 community systems (49%), 9 non-transient non-community systems (6.7%) and 60 transient non-community systems (44%).

Who supplies drinking water in Deschutes County, OR?

The largest community water systems filed under Deschutes County are City of Bend (77,704 people served), Redmond Water Department (37,566 people served) and Avion Wc - Greater Avion (35,332 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 Deschutes County's drinking water come from groundwater or surface water?

Of the 135 active public water systems in Deschutes County, 99% draw mainly on groundwater and 0.7% on surface water, counting purchased supplies. The largest system, City of Bend, uses surface water.

Where can I find a water quality report for Deschutes 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. 66 community systems are filed under Deschutes 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 Deschutes 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 Oregon 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 Deschutes County, Oregon”, https://aquacensus.com/water-systems/oregon/deschutes (data as of October 1, 2026).