Public water system · WY5601508

Active

Red Rock Ranch

At a glance

Red Rock Ranch (PWSID WY5601508) is an active transient non-community water system in Teton County, Wyoming. It reports serving 56 people through 14 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in September 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

Service connections

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWY5601508

System typeTransient non-community water system

Activity statusActive

Population served56

Service connections14

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyWY state drinking water program

City servedKelly

StateWyoming

ZIP—

CountyTeton County

How does Red Rock Ranch compare with other water systems in Teton County?

By EPA's size categories, Red Rock Ranch is a very small system (500 people or fewer). Teton County has 112 active public water systems. Its population served is well below the county average of 697 people per system, and accounts for less than 0.1% of the 78,057 people reported by systems filed under the county. Across Wyoming, the 775 active systems average 838 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Red Rock Ranch is about 61% below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Wyoming has 352 active transient non-community water systems, 45% 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 Red Rock Ranch?

EPA lists Red Rock Ranch 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. 69 of the 112 active systems in Teton County (62%) are also privately owned.

Does Red Rock Ranch have drinking water violations?

EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in September 2025. The violations listed here began between July 2002 and September 2025. By type: 5 monitoring and reporting, 3 monitoring, 1 reporting, 1 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 9 as resolved and 2 as archived. 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. 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
2025-09-11	ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B	Revised Total Coliform Rulecode 8000	No	Resolved
2025-08-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2024-06-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2021-05-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2019-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2017-01-01	Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D	Revised Total Coliform Rulecode 8000	Yes	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2016-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitrate-Nitritecode 1038	No	Resolved
2007-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
2002-07-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	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.

Red Rock Ranch: frequently asked questions

Who runs Red Rock Ranch?

Red Rock Ranch (PWSID WY5601508) is a transient non-community water system privately owned. It is regulated by the WY state drinking water program.

How many people does Red Rock Ranch serve?

Red Rock Ranch reports serving 56 people through 14 service connections in Teton County, Wyoming.

Where does Red Rock Ranch 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 Red Rock Ranch have any drinking water violations?

EPA's records list 11 violations for this system; 2 are health-based, and the most recent began in September 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 Red Rock Ranch'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 September 2025. For current results, consult EPA ECHO, or the WY state drinking water program.

Where can I find Red Rock Ranch's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Red Rock Ranch is a 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 Teton County

Water system	County	Population served	Type	Source
Jackson, Town of	Teton	24,760	Community	Groundwater
Ynp-Old Faithful	Teton	7,675	Community	Surface water
Ynp - Lake Village	Teton	5,925	Community	Groundwater under influence of surface water
Gtnp-Colter Bay Village	Teton	4,514	Community	Groundwater
Ynp-Grant Village	Teton	3,513	Transient non-community	Surface water
Grand Targhee Resort	Teton	2,500	Non-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.

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, “Red Rock Ranch, PWSID WY5601508, Wyoming”, https://aquacensus.com/water-systems/wyoming/red-rock-ranch-wy5601508 (data as of October 1, 2026).