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Clearwater County, Idaho — public water systems

At a glance

26 active public water systems are filed under Clearwater County, Idaho in EPA's SDWIS records, together reporting 6,972 people served. The largest is City of Orofino, which reports serving 2,459 people. 11 are community water systems serving people where they live; the other 15 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

26

Population served

7K

Community systems

11

Groundwater share

61.5%

How does Clearwater County compare with other Idaho counties?

Clearwater County has the 25th-most active public water systems among the 64 counties listed for active Idaho systems in EPA records; among the 47 with 3 or more systems, the median has 27. Its systems report 6,972 people served in total, the 32nd-largest county figure in the state and 0.4% of the statewide total. The average system here reports serving 268 people, well below the Idaho average of 899. 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 Clearwater County's drinking water come from?

By primary water source, Clearwater County's active systems draw on groundwater (15, 58%), surface water (9, 35%), purchased surface water (1, 3.8%) and purchased groundwater (1, 3.8%). Overall, 62% rely mainly on groundwater (including purchased groundwater) and 38% on surface water, compared with 96% and 4.1% across Idaho. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, City of Orofino, draws primarily on surface water.

What kinds of water systems operate in Clearwater County?

Clearwater County's active systems break down as 11 community systems (42%), 5 non-transient non-community systems (19%) and 10 transient non-community systems (38%). 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 (31%), federal government (31%), public/private partnership (15%) and private (15%).

Water systems in Clearwater County

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Active public water systems in Clearwater County, Idaho
#Water systemCountyPopulation servedTypeSource
1Orofino City ofClearwater2,459CommunitySurface water
2Riverside Water and Sewer DistrictClearwater2,000CommunitySurface water
3Pierce City ofClearwater467CommunitySurface water
4Weippe City ofClearwater438CommunityGroundwater
5Timberline High SchoolClearwater200Non-transient non-communityGroundwater
6Elk River City ofClearwater165CommunitySurface water
7Orofino Golf CourseClearwater150Transient non-communityGroundwater
8Nightforce OpticsClearwater110Non-transient non-communityGroundwater
9Idpr Dworshak Freeman Creek Cg (Corps)Clearwater100Transient non-communitySurface water
10Usace Dent CampgroundClearwater100Transient non-communityGroundwater
11Idpr Dworshak Three Meadows Grp CampClearwater100Transient non-communityGroundwater
12New Hope SubdClearwater100CommunityPurchased surface water
13Pleasant Acres Water and Sewer DistClearwater89CommunityPurchased groundwater
14Ahsahka Water and Sewer DistClearwater85CommunitySurface water
15Usfs Canyon Work CenterClearwater50Transient non-communityGroundwater
16Usace Dworshak Pwr Hse View PtClearwater50Non-transient non-communitySurface water
17Lakeview Water DistrictClearwater45CommunityGroundwater
18Sunnyside ParkClearwater40CommunityGroundwater
19Usfs Elk Creek CampgroundClearwater35Transient non-communityGroundwater
20Usfs Musselshell Work CenterClearwater35Transient non-communityGroundwater
21Wells Bench Water and RoadClearwater28CommunityGroundwater
22Cavendish SchoolClearwater26Non-transient non-communityGroundwater
23Usfw Dworshak National Fish HatcheryClearwater25Non-transient non-communitySurface water
24Usfs Kelly Forks Work Center CampgroundClearwater25Transient non-communityGroundwater
25Deyo Reservoir CampgroundsClearwater25Transient non-communityGroundwater
26Usace Big Eddy MarinaClearwater25Transient non-communitySurface water

Clearwater County water systems: frequently asked questions

How many public water systems are in Clearwater County, Idaho?

EPA's SDWIS records file 26 active public water systems under Clearwater County, Idaho: 11 community systems (42%), 5 non-transient non-community systems (19%) and 10 transient non-community systems (38%).

Who supplies drinking water in Clearwater County, ID?

The largest community water systems filed under Clearwater County are City of Orofino (2,459 people served), Riverside Water and Sewer District (2,000 people served) and City of Pierce (467 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 Clearwater County's drinking water come from groundwater or surface water?

Of the 26 active public water systems in Clearwater County, 62% draw mainly on groundwater and 38% on surface water, counting purchased supplies. The largest system, City of Orofino, uses surface water.

Where can I find a water quality report for Clearwater 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 Clearwater 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 Clearwater 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 Idaho 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 Clearwater County, Idaho”, https://aquacensus.com/water-systems/idaho/clearwater (data as of October 1, 2026).