Skip to content
AquaCensus

Public water system · WY5600050

Active

Rock Springs/Green River Jpb

At a glance

Rock Springs/Green River Jpb (PWSID WY5600050) is an active community water system in Sweetwater County, Wyoming. It reports serving 25 people through 7 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 7 are health-based, and the most recent began in March 2017.

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

Population served

25

Service connections

7

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDWY5600050
System typeCommunity water system
Activity statusActive
Population served25
Service connections7
Primary water sourceSurface water
Owner typePrivate
Primacy agencyWY state drinking water program
City servedGreen River
StateWyoming
ZIP—
CountySweetwater County

How does Rock Springs/Green River Jpb compare with other water systems in Sweetwater County?

By EPA's size categories, Rock Springs/Green River Jpb 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 less than 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 Rock Springs/Green River Jpb 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. 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 Rock Springs/Green River Jpb?

EPA lists Rock Springs/Green River Jpb 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 Rock Springs/Green River Jpb have drinking water violations?

EPA's records list 8 violations for this system; 7 are health-based, and the most recent began in March 2017. The violations listed here began between March 1995 and March 2017. By type: 7 required treatment not met and 1 monitoring and reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (5 of them). EPA lists 5 as resolved and 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2017-03-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2017-03-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2016-05-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2005-03-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2005-03-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
1997-06-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesArchived
1997-03-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesArchived
1995-03-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesArchived

All 8 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.

Rock Springs/Green River Jpb: frequently asked questions

Who runs Rock Springs/Green River Jpb?

Rock Springs/Green River Jpb (PWSID WY5600050) is a community water system privately owned. It is regulated by the WY state drinking water program.

How many people does Rock Springs/Green River Jpb serve?

Rock Springs/Green River Jpb reports serving 25 people through 7 service connections in Sweetwater County, Wyoming.

Where does Rock Springs/Green River Jpb 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 Rock Springs/Green River Jpb have any drinking water violations?

EPA's records list 8 violations for this system; 7 are health-based, and the most recent began in March 2017. 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 Rock Springs/Green River Jpb'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 8 violations for this system; 7 are health-based, and the most recent began in March 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.

Where can I find Rock Springs/Green River Jpb's water quality report?

As a community water system, Rock Springs/Green River Jpb 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 systemCountyPopulation servedTypeSource
Rock Springs, City ofSweetwater24,000CommunityPurchased surface water
Green River, City ofSweetwater10,500CommunityPurchased surface water
White Mountain W&S DistrictSweetwater3,000CommunityPurchased surface water
Little America Hotels & Resorts, Inc.- WySweetwater2,004CommunitySurface water
Pioneer Mobile Home ParkSweetwater1,000CommunityPurchased surface water
We Soda Alkali, LLCSweetwater950Non-transient non-communitySurface water

Related pages

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, “Rock Springs/Green River Jpb, PWSID WY5600050, Wyoming”, https://aquacensus.com/water-systems/wyoming/rock-springs-green-river-jpb-wy5600050 (data as of October 1, 2026).