PlainWater
Counties → Wyoming

Fremont County, Wyoming

Water Systems
60
Population Served
26,396
Total Violations
2,787
263 health-based
PFAS Detected
2
of 3 tested

Violation Analysis

93.3%
Systems with Violations
46.5
Avg Violations per System
9.4%
Health-Based Violations

Water Source Types

GW
43 systems (72%)
SW
7 systems (12%)

PFAS Contamination

3
Systems Tested
2
PFAS Detected
66.7%
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 Wyoming 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
Riverton, City Of 10,330 11 Detected
Lander, City Of 7,615 68 Clean
Dubois, Town Of 1,870 259 -
Shoshoni, Town Of 515 73 -
WY DOT-Sweetwater Rest Area 500 6 -
Hudson, Town Of 460 30 -
Wydot-South Pass Rest Area 401 4 -
Gardens North Homeowners Association 300 17 -
Teton Valley Ranch Camp-Dubois 250 17 -
Pavillion, Town Of 230 43 -
Sunridge Estates 220 26 -
B&k Mobile Home Park 200 89 -
Jade Mhc 200 367 -
Mhvc Sixth Crossing Ranch RV Park 200 11 -
Mountain View Acres 165 26 -
First Fike Subdivision 150 13 Clean
Line Shack Lodge 150 50 -
South Pass City Historical Site 131 41 -
Crooked Creek Guest Ranch 123 76 -
Mhvc Sage Cg 120 5 -
Miners Grubstake, LLC 103 44 -
Spence Foundation - Thunderhead Ranch 102 6 -
A & J Mobile Home Park 100 96 -
Rock Creek Hollow Lds Church Cg 100 14 -
Shoshone Nf-Falls Cg 100 3 -
Longhorn RV and Motel 96 9 -
Whiskey Mountain Conservation Camp 96 5 -
Boysen St Pk Hdqrts 90 14 -
Alpine Science Institute 85 152 -
Raintree Estates 83 15 -
Twin Pines RV Park 77 10 -
C M Ranch LLC 75 19 -
Fremont County Youth Camp 70 19 -
Warm Springs Water District 68 66 -
Triangle C Ranch 67 61 -
Brooks Lake Lodge 67 43 -
Redd Fox Park HOA 65 36 -
Farview Water and Sewer District 60 16 -
Lava Mountain Lodge 52 40 -
Atlantic City Mercantile 52 55 -
Lazy L and B Ranch 50 17 -
Bitterroot Ranch 47 20 -
Lost Cabin Gas Plant (Contango Res, LLC) 45 24 -
Juniper Park Water Association 42 0 -
Jeffrey City Water & Sewer District 40 598 -
Paintbrush Motel 40 5 -
Absaroka Ranch 35 14 -
Second Fike Subdivision 34 22 -
Ring Lake Ranch 34 20 -
Kinnear Store 31 65 -

Other Counties in Wyoming

Laramie County
51 systems · 96,725 served · 2,478 violations
Natrona County
48 systems · 80,738 served · 2,056 violations
Teton County
116 systems · 78,802 served · 5,306 violations
Sweetwater County
47 systems · 53,285 served · 1,717 violations
Campbell County
68 systems · 51,714 served · 2,720 violations
Albany County
24 systems · 38,088 served · 740 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Fremont County? ▼
Fremont County has 2,787 total drinking water violations across 60 water systems, of which 263 are health-based violations. 93.3% of systems have at least one violation.
How many people get water from Fremont County systems? ▼
Water systems in Fremont County serve approximately 26,396 people through 60 public water systems.
Has PFAS been detected in Fremont County water? ▼
Of 3 water systems tested for PFAS in Fremont County, 2 had PFAS detected (66.7% detection rate).
What types of water sources supply Fremont County? ▼
Water systems in Fremont County use GW (43 systems), SW (7 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. 9.4% 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.