Public water system · WY5600093
ActivePoint of Rocks Mercantile
At a glance
Point of Rocks Mercantile (PWSID WY5600093) is an active community water system in Sweetwater County, Wyoming. It reports serving 78 people through 100 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in June 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
78
Service connections
100
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Point of Rocks Mercantile compare with other water systems in Sweetwater County?
By EPA's size categories, Point of Rocks Mercantile is a very small system (500 people or fewer). Sweetwater County has 44 active public water systems. Its population served is well below the county average of 1,215 people per system, and accounts for 0.1% of the 53,453 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 Point of Rocks Mercantile is well below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 585 Wyoming systems (75%) list groundwater as their primary source.
Who owns and regulates Point of Rocks Mercantile?
EPA lists Point of Rocks Mercantile as privately owned. 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. 30 of the 44 active systems in Sweetwater County (68%) are also privately owned.
Does Point of Rocks Mercantile have drinking water violations?
EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in June 2025. The violations listed here began between July 1976 and June 2025. By type: 7 monitoring and reporting, 2 contaminant level above the legal limit, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 6 as archived, 4 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-06-12 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2023-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 1992-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1976-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1976-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | 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.
Point of Rocks Mercantile: frequently asked questions
Who runs Point of Rocks Mercantile?
Point of Rocks Mercantile (PWSID WY5600093) is a community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Point of Rocks Mercantile serve?
Point of Rocks Mercantile reports serving 78 people through 100 service connections in Sweetwater County, Wyoming.
Where does Point of Rocks Mercantile get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Point of Rocks Mercantile have any drinking water violations?
EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in June 2025. 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 Point of Rocks Mercantile'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; 3 are health-based, and the most recent began in June 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.
Where can I find Point of Rocks Mercantile's water quality report?
As a community water system, Point of Rocks Mercantile 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 Sweetwater County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rock Springs, City of | Sweetwater | 24,000 | Community | Purchased surface water |
| Green River, City of | Sweetwater | 10,500 | Community | Purchased surface water |
| White Mountain W&S District | Sweetwater | 3,000 | Community | Purchased surface water |
| Little America Hotels & Resorts, Inc.- Wy | Sweetwater | 2,004 | Community | Surface water |
| Pioneer Mobile Home Park | Sweetwater | 1,000 | Community | Purchased surface water |
| We Soda Alkali, LLC | Sweetwater | 950 | Non-transient non-community | Surface water |
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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, “Point of Rocks Mercantile, PWSID WY5600093, Wyoming”, https://aquacensus.com/water-systems/wyoming/point-of-rocks-mercantile-wy5600093 (data as of October 1, 2026).