PlainWater
Counties → Idaho

Fremont County, Idaho

Water Systems
91
Population Served
14,857
Total Violations
6,494
1,090 health-based
PFAS Detected
1
of 1 tested

Violation Analysis

96.7%
Systems with Violations
71.4
Avg Violations per System
16.8%
Health-Based Violations

Water Source Types

GW
50 systems (55%)

PFAS Contamination

1
Systems Tested
1
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

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

No violations on record (1) One or more violations (49)

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
St Anthony 3,606 32 Clean
Ashton City Of 1,129 188 -
Teton City Of 735 92 -
Ashton Lds Church 642 13 -
Island Park Lds Church 450 14 -
Usfs Warm River Campground 400 4 -
Blm Egin Lakes Access Rec Site 400 4 -
Newdale City Of 340 199 -
Wilford Lds Church 326 5 -
Parker City Of 322 133 -
Island Park Village 305 315 -
Shotgun North 285 394 -
Idjc Juvenile Corrections Center 280 116 -
Idpr Henrys Lake Sp 275 11 -
Shotgun Cherokee Subd 5 245 465 -
Aspen Ridge Subd 204 868 -
Goose Bay Estates 184 153 -
North Henrys Lake Homeowners Assn 150 21 -
Macks Inn Resort/Springhill Suites 150 94 -
Ponds Lodge 150 46 -
Rancho McCrea Water and Sewer Corp 150 17 -
Egin Lds Church 148 11 -
Lakeside Lodge 128 27 -
Idpr Harriman Sp 125 59 -
Rock Creek Girls Camp-5362245 125 12 -
Sawtell Estates Subd 105 76 -
Usfs Riverside Campground 105 18 -
Valley View RV Park 100 17 -
Wild Rose Ranch 100 34 -
Welling Subd 100 20 -
Sand Hills Resort 100 20 -
Trouthunter Resort, LLC 100 36 -
Shotgun South Stevens Lane 96 22 -
Valley View Subdivision 90 1,278 -
Usfs Buttermilk Campground 89 6 -
Buffalo River Estates 1 and 2 85 38 -
Stonegate 2 Subdivision 81 0 -
Elk Creek Estates 78 11 -
Fremont County Golf Course 75 23 -
Buffalo Run LLC 75 16 -
Yellowstone RV Park at Macks Inn 75 59 -
Red Rock RV and Camping Park 75 10 -
Usfs Last Chance 75 8 -
Shadow Ridge at Stephens Ranch 73 2 -
Bighorn Hills Estates Property Owners 70 14 -
Sam Patch Co. Groceries and Sundries 70 29 -
Shotgun Kickapoo Subd 6 65 78 -
North Fork Water Works 64 142 -
Wilding Subd 2 64 8 -
Yellowstone Golf Resort 63 53 -

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 Fremont County? ▼
Fremont County has 6,494 total drinking water violations across 91 water systems, of which 1,090 are health-based violations. 96.7% of systems have at least one violation.
How many people get water from Fremont County systems? ▼
Water systems in Fremont County serve approximately 14,857 people through 91 public water systems.
Has PFAS been detected in Fremont County water? ▼
Of 1 water systems tested for PFAS in Fremont County, 1 had PFAS detected (100.0% detection rate).
What types of water sources supply Fremont County? ▼
Water systems in Fremont County use GW (50 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. 16.8% of Fremont 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.