PlainWater
Counties → Wyoming

Niobrara County, Wyoming

Water Systems
5
Population Served
3,918
Total Violations
842
170 health-based
PFAS Detected
0
of 0 tested

Violation Analysis

100.0%
Systems with Violations
168.4
Avg Violations per System
20.2%
Health-Based Violations

Water Source Types

GW
5 systems (100%)

Compliance Snapshot

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

No violations on record (0) One or more violations (5)

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
WY DOT- Lusk Rest Area 1,700 7 -
Lusk, Town Of 1,576 156 -
WY DOT-Mule Creek Ra 500 4 -
Manville, Town Of 97 314 -
Lance Creek Water District 45 361 -

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 Niobrara County? ▼
Niobrara County has 842 total drinking water violations across 5 water systems, of which 170 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Niobrara County systems? ▼
Water systems in Niobrara County serve approximately 3,918 people through 5 public water systems.
Has PFAS been detected in Niobrara County water? ▼
No PFAS testing data is available for water systems in Niobrara County.
What types of water sources supply Niobrara County? ▼
Water systems in Niobrara County use GW (5 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. 20.2% of Niobrara 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.