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Skagit County, Washington — public water systems

At a glance

85 active public water systems are filed under Skagit County, Washington in EPA's SDWIS records, together reporting 159,261 people served. The largest is Skagit County PUD 1 Judy Res, which reports serving 111,415 people. 39 are community water systems serving people where they live; the other 46 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

85

Population served

159.3K

Community systems

39

Groundwater share

83.5%

How does Skagit County compare with other Washington counties?

Skagit County has the 20th-most active public water systems among the 72 counties listed for active Washington systems in EPA records; among the 44 with 3 or more systems, the median has 75. Its systems report 159,261 people served in total, the 11th-largest county figure in the state and 1.6% of the statewide total. The average system here reports serving 1,874 people, about 14% below the Washington average of 2,172. 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 Skagit County's drinking water come from?

By primary water source, Skagit County's active systems draw on groundwater (71, 84%), surface water (7, 8.2%) and purchased surface water (6, 7.1%). Overall, 84% rely mainly on groundwater (including purchased groundwater) and 15% on surface water, compared with 94% and 5.7% across Washington. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Skagit County PUD 1 Judy Res, draws primarily on surface water.

What kinds of water systems operate in Skagit County?

Skagit County's active systems break down as 39 community systems (46%), 3 non-transient non-community systems (3.5%) and 43 transient non-community systems (51%). 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 (80%), local government (16%), state government (2.4%) and federal government (1.2%).

The 50 largest water systems in Skagit County

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Active public water systems in Skagit County, Washington
#Water systemCountyPopulation servedTypeSource
1Skagit County PUD 1 Judy ResSkagit111,415CommunitySurface water
2Anacortes City ofSkagit25,109CommunitySurface water
3Shelter Bay Community Inc.Skagit2,212CommunityPurchased surface water
4Skagit Co Water District #1Skagit1,974CommunityGroundwater
5La Conner Water DeptSkagit1,821CommunityPurchased surface water
6Blanchard Edison Water Assn. Inc..Skagit1,480CommunityGroundwater
7Concrete UtilitiesSkagit1,234CommunityGroundwater
8Samish Farms Water AssnSkagit1,017CommunityPurchased surface water
9Deception Pass Sp - Rosario BeachSkagit999Transient non-communityGroundwater
10Cape Horn Maintenance CompanySkagit940CommunityGroundwater
11Skagit SpeedwaysSkagit736Transient non-communityGroundwater
12Lyman Water DepartmentSkagit705CommunityGroundwater
13Del Mar Community ServiceSkagit654CommunityPurchased surface water
14Hamilton Water DepartmentSkagit540CommunityGroundwater
15Skagit Co PUD - AlgerSkagit446CommunityGroundwater
16Skagit Co PUD - CedargroveSkagit400CommunityGroundwater
17Fire Mt Scout ReservationSkagit386Transient non-communitySurface water
18Leif Erikson Rec AssocSkagit320CommunityGroundwater
19Marblemount Ranger StationSkagit308Transient non-communityGroundwater
20Avalon Links Golf ClubSkagit266Transient non-communityGroundwater
21Lake TyeeSkagit254Transient non-communityGroundwater
22Burlington KoaSkagit254Transient non-communityGroundwater
23Samish Grade SchoolSkagit250Non-transient non-communityGroundwater
24Thousand Trails-La ConnerSkagit239Transient non-communityGroundwater
25Skagit Co PUD - MarblemountSkagit238CommunityGroundwater
26Holiday Hideaway Water CoSkagit235CommunityGroundwater
27Skagit View Village Water SystemSkagit232CommunityGroundwater
28Samish River Park, Inc..Skagit227CommunityNot reported
29Grandy Creek ResortSkagit224Transient non-communityGroundwater
30Colony MountainSkagit213CommunityGroundwater
31Chuckanut Manor RestaurantSkagit207Transient non-communityGroundwater
32Grandy Creek Grocery Water SystemSkagit207Transient non-communityGroundwater
33Thousand Trails - Mt VernonSkagit205Transient non-communityGroundwater
34Skagit Co PUD RockportSkagit175CommunityGroundwater
35Eagle Valley Water SystemSkagit135CommunityGroundwater
36Oyster Bar theSkagit132Transient non-communityGroundwater
37Blue Sky Outfitters Water SystemSkagit132Transient non-communityGroundwater
38Snee-Oosh Land CoSkagit123CommunityGroundwater
39Valley View Estates Water AssnSkagit113CommunityGroundwater
40Madrona Community Inc.Skagit112Transient non-communitySurface water
41Glacier Peak Resort and WinerySkagit108Transient non-communityGroundwater
42Cascade River Community ClubSkagit107CommunityGroundwater
43Mchaven Inc.Skagit104Transient non-communitySurface water
44Oyster Creek InnSkagit103Transient non-communitySurface water
45Dog Island GoodsSkagit96Transient non-communityGroundwater
46Heritage Ranch-BowSkagit91Transient non-communityGroundwater
47Prairie Acres Water SystemSkagit90CommunityGroundwater
48Alger Food MartSkagit88Transient non-communityGroundwater
49Rosario Beach Marine LaboratorySkagit85Transient non-communityGroundwater
50Pressentin Creek WildernessSkagit81CommunityGroundwater

All other water systems in Skagit County (35)

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

Skagit County water systems: frequently asked questions

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

EPA's SDWIS records file 85 active public water systems under Skagit County, Washington: 39 community systems (46%), 3 non-transient non-community systems (3.5%) and 43 transient non-community systems (51%).

Who supplies drinking water in Skagit County, WA?

The largest community water systems filed under Skagit County are Skagit County PUD 1 Judy Res (111,415 people served), City of Anacortes (25,109 people served) and Shelter Bay Community Inc. (2,212 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 Skagit County's drinking water come from groundwater or surface water?

Of the 85 active public water systems in Skagit County, 84% draw mainly on groundwater and 15% on surface water, counting purchased supplies. The largest system, Skagit County PUD 1 Judy Res, uses surface water.

Where can I find a water quality report for Skagit 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. 39 community systems are filed under Skagit 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 Skagit 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 Washington 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 Skagit County, Washington”, https://aquacensus.com/water-systems/washington/skagit (data as of October 1, 2026).