PlainWater
Counties → Wyoming

Natrona County, Wyoming

Water Systems
48
Population Served
80,738
Total Violations
2,056
134 health-based
PFAS Detected
3
of 3 tested

Violation Analysis

97.9%
Systems with Violations
42.8
Avg Violations per System
6.5%
Health-Based Violations

Water Source Types

SW
24 systems (50%)
GW
24 systems (50%)

PFAS Contamination

3
Systems Tested
3
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

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

No violations on record (1) One or more violations (47)

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
Casper, City Of 59,000 3 Clean
Mills, City Of 4,050 12 Clean
Bar Nunn, Town Of 4,000 16 Clean
Evansville, Town Of 2,728 7 -
Vista West Water Company 1,600 20 -
Pioneer Water & Sewer District 1,500 16 -
Alcova Lake Park Trailer Village 800 10 -
Mhvc Visitors Center 612 4 -
Hogadon Ski Area 504 17 -
Midwest, Town Of 410 34 -
Natrona County Int'l Airport 375 15 -
WY DOT-Independence Ra 350 5 -
Terrace I Mhc 336 2 -
Riverside Mobile Home Court 330 10 -
Hidden Hills MHP 324 6 -
Terrace II Mhc 320 0 -
WY Trans Dept Waltman Ra 300 7 -
Green Valley MHP 265 3 -
Air Base Acres I&s District 236 21 -
Mhvc Cherry Creek Cg 202 5 -
Poison Spider I&s District 200 72 -
Mills Spring Ranch 200 63 -
Thirty-Three Mile Road I&s District 200 6 -
Edgerton, Town Of 195 25 -
Sandy Lake Estates I&s District 150 12 -
Mountain Top Baptist Assembly 150 19 -
Pleasant View Water Company 130 6 -
Natrona County Parks-Trails Center 130 12 -
Countryside Court 125 301 -
South Riverside Acres Wtr Impr Dist 125 31 -
Camp Wyoba and Lions Club 105 44 -
Mhvc 66 Ranch 96 6 -
Sloanes General Store 90 17 -
Camp Sacajawea 79 40 -
Lord of Lords Lutheran Church 70 18 -
Lakeview I&s District 62 17 -
Mhvc Jackson Cg 50 2 -
Alcova Lakeview Estates I 50 1 -
Mile-HI I&s District 48 9 -
Sunset Grill & River View Inn 39 38 -
Eagle Creek RV Park 33 29 -
Broken Wrench LLC 30 308 -
Alcova Dam RV Park 30 732 -
Central WY Regional Water System Jpb 25 6 -
Ekw State Park-Platte River Ra 25 5 -
Ekw State Park-Cottonwood 25 4 -
Blm Lodgepole Campground 25 12 -
Alcova Lakeview Estates II 9 8 -

Other Counties in Wyoming

Laramie County
51 systems · 96,725 served · 2,478 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
Park County
49 systems · 38,068 served · 951 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Natrona County? ▼
Natrona County has 2,056 total drinking water violations across 48 water systems, of which 134 are health-based violations. 97.9% of systems have at least one violation.
How many people get water from Natrona County systems? ▼
Water systems in Natrona County serve approximately 80,738 people through 48 public water systems.
Has PFAS been detected in Natrona County water? ▼
Of 3 water systems tested for PFAS in Natrona County, 3 had PFAS detected (100.0% detection rate).
What types of water sources supply Natrona County? ▼
Water systems in Natrona County use SW (24 systems), GW (24 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. 6.5% of Natrona 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.