Public water system · WY5600239
ActiveSouth Cheyenne Water & Sewer District
At a glance
South Cheyenne Water & Sewer District (PWSID WY5600239) is an active community water system in Laramie County, Wyoming. It reports serving 10,000 people through 1,500 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in July 2024.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,000
Service connections
1,500
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does South Cheyenne Water & Sewer District compare with other water systems in Laramie County?
By EPA's size categories, South Cheyenne Water & Sewer District is a medium system (3,301 to 10,000 people). Laramie County has 50 active public water systems, and South Cheyenne Water & Sewer District is the 2nd-largest of them by population served. Its population served is about 5.2 times the county average of 1,933 people per system, and accounts for 10% of the 96,668 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 South Cheyenne Water & Sewer District is about 49% above 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 South Cheyenne Water & Sewer District?
EPA lists South Cheyenne Water & Sewer District 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. 9 of the 50 active systems in Laramie County (18%) are also owned by a local government.
Does South Cheyenne Water & Sewer District have drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in July 2024. The violations listed here began between February 1991 and July 2024. By type: 7 monitoring and reporting, 2 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (8 of them). EPA lists 8 as archived and 3 as resolved. 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. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 2002-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1998-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1996-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 11 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.
South Cheyenne Water & Sewer District: frequently asked questions
Who runs South Cheyenne Water & Sewer District?
South Cheyenne Water & Sewer District (PWSID WY5600239) is a community water system owned by a local government. It is regulated by the WY state drinking water program.
How many people does South Cheyenne Water & Sewer District serve?
South Cheyenne Water & Sewer District reports serving 10,000 people through 1,500 service connections in Laramie County, Wyoming.
Where does South Cheyenne Water & Sewer District 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 South Cheyenne Water & Sewer District have any drinking water violations?
EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in July 2024. 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 South Cheyenne Water & Sewer District'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 11 violations for this system; 2 are health-based, and the most recent began in July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find South Cheyenne Water & Sewer District's water quality report?
As a community water system, South Cheyenne Water & Sewer District 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 Laramie County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cheyenne Board of Public Utilities | Laramie | 64,165 | Community | Surface water |
| Usaf F.E. Warren Afb | Laramie | 5,500 | Community | Purchased surface water |
| Love`S Travel Center | Laramie | 1,545 | Non-transient non-community | Groundwater |
| Travel Centers of America | Laramie | 1,525 | Non-transient non-community | Groundwater |
| Cheyenne Hills Church | Laramie | 1,211 | Transient non-community | Groundwater |
| Pine Bluffs, Town of | Laramie | 1,186 | Community | Groundwater |
Related pages
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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, “South Cheyenne Water & Sewer District, PWSID WY5600239, Wyoming”, https://aquacensus.com/water-systems/wyoming/south-cheyenne-water-sewer-district-wy5600239 (data as of October 1, 2026).