PlainWater
Counties → Wyoming

Park County, Wyoming

Water Systems
49
Population Served
38,068
Total Violations
951
201 health-based
PFAS Detected
1
of 4 tested

Violation Analysis

91.8%
Systems with Violations
19.4
Avg Violations per System
21.1%
Health-Based Violations

Water Source Types

GW
32 systems (65%)
SW
17 systems (35%)

PFAS Contamination

4
Systems Tested
1
PFAS Detected
25.0%
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

Park Wyoming water systems by violation status, EPA SDWIS records.

No violations on record (4) One or more violations (45)

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
Cody, City Of 10,224 11 Clean
Northwest Rural Water District 7,330 4 Clean
Powell, City Of 6,310 4 Clean
Ynp-Canyon Village 4,300 9 Clean
Ynp-Mammoth Hot Springs 2,600 14 -
Ynp-Norris 1,515 8 -
K Bar Z Guest Ranch 847 16 -
Buffalo Bill Dam Visitor Center 500 13 -
Ynp-Tower Fall Cg 495 2 -
Green Acres Mobile Home Park 375 20 -
Meeteetse, Town Of 327 29 -
Jubys Mobile Home Park 300 20 -
Camp Buffalo Bill 250 24 -
Ynp-Indian Creek 240 1 -
Yellowstone Valley Inn 237 30 -
Pahaska Tepee Resort 205 36 -
Shoshone Nf-Wapiti Cg & Rs 157 11 -
Shoshone Nf-Three Mile Cg 150 15 -
Shoshone Nf-Fox Creek Cg 120 6 -
Sleeping Giant Ski Area 112 31 -
Big Horn Basin Boat Club 104 6 -
Rivers Bend Trailer Court 96 56 -
Ynp-Slough Creek Cg 94 9 -
Shoshone Nf-Beartooth Lake Cg 80 6 -
Buffalo Bill Sp-Lake Shore Campground 77 0 -
Shoshone Nf-Island Lake Cg 75 0 -
Absaroka Mountain Lodge 67 9 -
7D Ranch 61 14 -
Bill Cody Ranch 60 29 -
Shoshone Lodge 60 36 -
Contango Resources, LLC- Clark Fork 60 23 -
Buffalo Bill St Pk North Fork 50 2 -
Green Creek Inn & RV 50 9 -
Shoshone Nf-Eagle Creek Cg 50 6 -
Edelweiss 42 27 -
Copperleaf Water System 42 4 -
Elephant Head Lodge 41 25 -
Trail Shop 40 34 -
Rimrock Ranch 40 1 -
Shoshone Nf-Rex Hale Cg 40 25 -
Uxu Ranch LLC 35 52 -
Big Valley & Crossed Arrows Imp Dist 35 112 -
Creekside Lodge 32 35 -
Blackwater Creek Ranch 32 44 -
Homestead Campground Water System 28 0 -
Crossed Sabres Guest Ranch 25 45 -
Shoshone Municipal Pipeline 25 0 -
Shoshone Nf-Newton Creek #12 Cg 25 6 -
Painter Estates HOA 8 32 -

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 Park County? ▼
Park County has 951 total drinking water violations across 49 water systems, of which 201 are health-based violations. 91.8% of systems have at least one violation.
How many people get water from Park County systems? ▼
Water systems in Park County serve approximately 38,068 people through 49 public water systems.
Has PFAS been detected in Park County water? ▼
Of 4 water systems tested for PFAS in Park County, 1 had PFAS detected (25.0% detection rate).
What types of water sources supply Park County? ▼
Water systems in Park County use GW (32 systems), SW (17 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. 21.1% of Park 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.