Public water system · WY5600634
ActiveSisecam Wyoming LLC
At a glance
Sisecam Wyoming LLC (PWSID WY5600634) is an active non-transient non-community water system in Sweetwater County, Wyoming. It reports serving 450 people through 15 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in February 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
450
Service connections
15
Primary source
SW
Surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Sisecam Wyoming LLC compare with other water systems in Sweetwater County?
By EPA's size categories, Sisecam Wyoming LLC is a very small system (500 people or fewer). Sweetwater County has 44 active public water systems. Its population served is about 63% below the county average of 1,215 people per system, and accounts for 0.8% 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 non-transient non-community water system reports serving 430 people, so Sisecam Wyoming LLC is roughly in line with that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wyoming has 91 active non-transient non-community water systems, 12% of the state's 775 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 50 Wyoming systems (6.5%) list surface water as their primary source.
Who owns and regulates Sisecam Wyoming LLC?
EPA lists Sisecam Wyoming LLC 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 Sisecam Wyoming LLC have drinking water violations?
Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in February 2025. The violations listed here began between April 2020 and February 2025. By type: 12 required treatment not met. The contaminant or rule involved most often is Carbon, total (10 of them). EPA lists 12 as resolved. 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 |
|---|---|---|---|---|
| 2025-02-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-02-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2021-01-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2021-01-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2021-01-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2020-10-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2020-10-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2020-10-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2020-07-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2020-07-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2020-07-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
| 2020-04-01 | Required treatment not metTreatment Technique Precursor Removal · code 46 | Carbon, totalcode 2920 | Yes | Resolved |
The 12 most recent 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.
Sisecam Wyoming LLC: frequently asked questions
Who runs Sisecam Wyoming LLC?
Sisecam Wyoming LLC (PWSID WY5600634) is a non-transient non-community water system privately owned. It is regulated by the WY state drinking water program.
How many people does Sisecam Wyoming LLC serve?
Sisecam Wyoming LLC reports serving 450 people through 15 service connections in Sweetwater County, Wyoming.
Where does Sisecam Wyoming LLC get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Sisecam Wyoming LLC have any drinking water violations?
Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in February 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 Sisecam Wyoming LLC'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. Of the 12 most recent violations in EPA's records, 12 are health-based, and the most recent began in February 2025. For current results, consult EPA ECHO, or the WY state drinking water program.
Where can I find Sisecam Wyoming LLC's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sisecam Wyoming LLC is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
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, “Sisecam Wyoming LLC, PWSID WY5600634, Wyoming”, https://aquacensus.com/water-systems/wyoming/sisecam-wyoming-llc-wy5600634 (data as of October 1, 2026).