PlainWater
Counties → Wyoming

Crook County, Wyoming

Water Systems
27
Population Served
8,739
Total Violations
675
102 health-based
PFAS Detected
0
of 0 tested

Violation Analysis

96.3%
Systems with Violations
25.0
Avg Violations per System
15.1%
Health-Based Violations

Water Source Types

GW
27 systems (100%)

Compliance Snapshot

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

No violations on record (1) One or more violations (26)

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
Devils Tower National Monument 3,071 6 -
Sundance, City Of 1,279 17 -
Moorcroft, Town Of 1,009 43 -
Devils Tower KOA-Campstool 516 36 -
Pine Haven, Town Of 498 83 -
Hulett, Town Of 420 29 -
State Line Station 305 44 -
Bentonite Performance Minerals - Colony 180 35 -
Black Hills Nf-Cook Lake Cg 165 17 -
Vista West Improvement & Serv District 120 57 -
Sand Creek Trading Post 110 92 -
Keyhole St Park Cottonwood Cg 100 11 -
Devil's Tower Trading Post 100 5 -
Keyhole St Park Headquarters 100 13 -
Beulah Campground 99 0 -
Devils Tower Forest Products 90 2 -
Vore Buffalo Jump Foundation 85 3 -
WY Trans Dept Aladdin Welcome Ctr 75 4 -
Aladdin, Town Of 62 22 -
American Colloid-Colony West 60 63 -
Keyhole Resort/Marina 50 35 -
Beulah Land Water 50 11 -
American Colloid-Colony East 45 12 -
Devils Tower View 43 24 -
Ranch A 40 1 -
Devils Tower Gulch 34 9 -
Buckmiller Enterprises, LLC 33 1 -

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 Crook County? ▼
Crook County has 675 total drinking water violations across 27 water systems, of which 102 are health-based violations. 96.3% of systems have at least one violation.
How many people get water from Crook County systems? ▼
Water systems in Crook County serve approximately 8,739 people through 27 public water systems.
Has PFAS been detected in Crook County water? ▼
No PFAS testing data is available for water systems in Crook County.
What types of water sources supply Crook County? ▼
Water systems in Crook County use GW (27 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. 15.1% of Crook 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.