PlainWater
Counties → Idaho

Idaho County, Idaho

Water Systems
58
Population Served
10,236
Total Violations
3,546
1,480 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

96.6%
Systems with Violations
61.1
Avg Violations per System
41.7%
Health-Based Violations

Water Source Types

GW
48 systems (83%)
SW
2 systems (3%)

PFAS Contamination

2
Systems Tested
2
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Idaho Idaho water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (50)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Grangeville Water Dept 3,151 11 Clean
Cottonwood Water Dept 977 48 -
Kooskia Water Dept 607 13 Clean
Riggins City Of 434 50 -
North Idaho Correctional Institute 425 39 -
Pine Ridge Water and Sewer Dist 390 45 -
Elk City Water and Sewer Assn 320 337 -
Stites City Of 253 48 -
Kamiah Valley Company LLC 250 37 -
Monastery of St Gertrudes 200 38 -
Life Center Church 200 19 -
First Apostolic Acts Church 170 36 -
St John Bosco Academy 160 71 -
Blm Hammer Creek Recreation Site 150 3 -
Ferdinand City Of 133 81 -
White Bird City Of 125 214 -
Rapid River Water & Sewer Dist 120 35 -
Three Rivers Resort 120 36 -
Grangeville Golf and Country Club 100 40 -
Hoots Shop & Stay 100 34 -
Cottonwood Sales Yard 100 27 -
Kamiah Lds Church 100 18 -
The Coffee Loft 100 11 -
Country Court Community 89 182 -
Clearwater Water Dist 80 1,066 -
Lochsa Lodge 80 16 -
Wilderness Inn 80 22 -
Blm Slate Creek Rest Area 75 12 -
Usfs Wilderness Gateway Campground 75 10 -
Usfs Pittsburg Landing Campground 75 22 -
Usfs Fenn Ranger Station and Ycc Camp 74 23 -
Valley View Water and Sewer District 70 93 -
Pacific Cabinets Inc 62 29 -
Usfs Red River Ranger Station 56 32 -
Blm Pine Bar Recreation Site 50 2 -
Alacca Bible Camp 45 106 -
Usfs Powell Ranger Station 44 39 -
Southfork River Junction Lodge RV Park 40 30 -
Usfs Ohara Bar Campground 40 13 -
Canyon Pines RV Resort 40 12 -
Dale and Jills Sporting Goods 35 18 -
Fenn Community System 30 70 -
Harpster RV Park 30 45 -
Swiftwater RV Park and Store 30 28 -
Bear Den RV Resort 26 34 -
Keuterville Pub & Grub 25 53 -
Pine Vu Trailer Court 25 35 -
Usfs Powell Campground 25 30 -
Sheep Creek Rest Area Itd 25 53 -
Village 21 Water Dist 25 69 -

Other Counties in Idaho

Ada County
87 systems · 511,181 served · 5,380 violations
Canyon County
143 systems · 214,619 served · 9,692 violations
Kootenai County
195 systems · 178,648 served · 7,546 violations
Bonneville County
135 systems · 138,969 served · 4,633 violations
Bannock County
49 systems · 83,349 served · 2,778 violations
Twin Falls County
54 systems · 76,016 served · 2,851 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Idaho County? ▼
Idaho County has 3,546 total drinking water violations across 58 water systems, of which 1,480 are health-based violations. 96.6% of systems have at least one violation.
How many people get water from Idaho County systems? ▼
Water systems in Idaho County serve approximately 10,236 people through 58 public water systems.
Has PFAS been detected in Idaho County water? ▼
Of 2 water systems tested for PFAS in Idaho County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Idaho County? ▼
Water systems in Idaho County use GW (48 systems), SW (2 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 41.7% of Idaho County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.