Latah County, Washington — public water systems
At a glance
6 active public water systems are filed under Latah County, Washington in EPA's SDWIS records, together reporting 710 people served. The largest is Camp Grizzly Boy Scouts, which reports serving 300 people. 5 are community water systems serving people where they live; the other 1 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
6
Population served
710
Community systems
5
Groundwater share
100%
How does Latah County compare with other Washington counties?
Latah County has the 41st-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 710 people served in total, the 42nd-largest county figure in the state and less than 0.1% of the statewide total. The average system here reports serving 118 people, well 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 Latah County's drinking water come from?
By primary water source, Latah County's active systems draw on groundwater (6, 100%). Overall, all rely mainly on groundwater (including purchased groundwater) and none 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, Camp Grizzly Boy Scouts, draws primarily on groundwater.
What kinds of water systems operate in Latah County?
Latah County's active systems break down as 5 community systems (83%) and 1 transient non-community systems (17%). 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 (100%).
Water systems in Latah County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Camp Grizzly Boy Scouts | Latah | 300 | Transient non-community | Groundwater |
| 2 | Appaloosa Community | Latah | 129 | Community | Groundwater |
| 3 | Country Homes Mobile Park | Latah | 90 | Community | Groundwater |
| 4 | Hidden Village MHP, LLC | Latah | 66 | Community | Groundwater |
| 5 | Evergreen Community LLC | Latah | 65 | Community | Groundwater |
| 6 | Woodland Heights MHP | Latah | 60 | Community | Groundwater |
Latah County water systems: frequently asked questions
How many public water systems are in Latah County, Washington?
EPA's SDWIS records file 6 active public water systems under Latah County, Washington: 5 community systems (83%) and 1 transient non-community systems (17%).
Who supplies drinking water in Latah County, WA?
The largest community water systems filed under Latah County are Appaloosa Community (129 people served), Country Homes Mobile Park (90 people served) and Hidden Village MHP, LLC (66 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 Latah County's drinking water come from groundwater or surface water?
Of the 6 active public water systems in Latah County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Camp Grizzly Boy Scouts, uses groundwater.
Where can I find a water quality report for Latah 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. 5 community systems are filed under Latah 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 Latah 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
- All Washington public water systems· 4,705 active
- Kootenai County· 10 systems
- Bonner County· 9 systems
- Garfield County· 9 systems
- Asotin County· 7 systems
- Umatilla County· 6 systems
- Wahkiakum County· 6 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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 Latah County, Washington”, https://aquacensus.com/water-systems/washington/latah (data as of October 1, 2026).