Public water system · WY5601415
ActiveCasper, City of
Community water system in Natrona County, Wyoming, drawing primarily on purchased surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
59,000
Service connections
22,754
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1997-02-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1997-02-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Casper, City of: frequently asked questions
Is Casper, City of's water safe to drink?
Casper, City of is an active community water system regulated under the Safe Drinking Water Act, overseen by the WY state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Casper, City of?
Casper, City of (PWSID WY5601415) is a local government-owned community water system, regulated by the WY state drinking water program.
How many people does Casper, City of serve?
Casper, City of reports serving 59,000 people through 22,754 service connections in Natrona County, Wyoming.
Where does Casper, City of get its water?
EPA SDWIS lists this system's primary water source as purchased surface water.
Other water systems in Natrona County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mills, City of | Natrona | 4,050 | Community | Groundwater under influence of surface water |
| Bar Nunn, Town of | Natrona | 4,000 | Community | Purchased surface water |
| Evansville, Town of | Natrona | 2,873 | Community | Surface water |
| Vista West Water Company | Natrona | 1,600 | Community | Purchased surface water |
| Pioneer Water & Sewer District | Natrona | 1,500 | Community | Purchased surface water |
| Alcova Lake Park Trailer Village | Natrona | 800 | Transient non-community | Groundwater |
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.