Public water system · WY5600042
ActivePowell, City of
At a glance
City of Powell (PWSID WY5600042) is an active community water system in Park County, Wyoming. It reports serving 6,310 people through 2,542 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,310
Service connections
2,542
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Powell compare with other water systems in Park County?
By EPA's size categories, City of Powell is a medium system (3,301 to 10,000 people). Park County has 49 active public water systems, and City of Powell is the 3rd-largest of them by population served. Its population served is about 8.1 times the county average of 777 people per system, and accounts for 17% of the 38,068 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Powell is roughly in line with that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wyoming has 332 active community water systems, 43% of the state's 775 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 79 Wyoming systems (10%) list purchased surface water as their primary source.
Who owns and regulates City of Powell?
EPA lists City of Powell as owned by a local government. The WY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 49 active systems in Park County (8.2%) are also owned by a local government.
Does City of Powell have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 1993. The violations listed here began between August 1993 and August 1993. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1993-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1993-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | 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.
City of Powell: frequently asked questions
Who runs City of Powell?
City of Powell (PWSID WY5600042) is a community water system owned by a local government. It is regulated by the WY state drinking water program.
How many people does City of Powell serve?
City of Powell reports serving 6,310 people through 2,542 service connections in Park County, Wyoming.
Where does City of Powell get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does City of Powell have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 1993. 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.
Is City of Powell's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in August 1993. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find City of Powell's water quality report?
As a community water system, City of Powell must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Park County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cody, City of | Park | 10,224 | Community | Purchased surface water |
| Northwest Rural Water District | Park | 7,330 | Community | Purchased surface water |
| Ynp-Canyon Village | Park | 4,300 | Non-transient non-community | Surface water |
| Ynp-Mammoth Hot Springs | Park | 2,600 | Community | Surface water |
| Ynp-Norris | Park + 1 more | 1,515 | Transient non-community | Surface water |
| K Bar Z Guest Ranch | Park | 847 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Powell, City of, PWSID WY5600042, Wyoming”, https://aquacensus.com/water-systems/wyoming/powell-city-of-wy5600042 (data as of October 1, 2026).