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Public water system · WY5600964

Active

Wy Trans Dept Waltman Ra

At a glance

Wy Trans Dept Waltman Ra (PWSID WY5600964) is an active transient non-community water system in Natrona County, Wyoming. It reports serving 300 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025.

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

Population served

300

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWY5600964
System typeTransient non-community water system
Activity statusActive
Population served300
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyWY state drinking water program
City servedPowder River
StateWyoming
ZIP—
CountyNatrona County

How does Wy Trans Dept Waltman Ra compare with other water systems in Natrona County?

By EPA's size categories, Wy Trans Dept Waltman Ra is a very small system (500 people or fewer). Natrona County has 48 active public water systems. Its population served is well below the county average of 1,680 people per system, and accounts for 0.4% of the 80,646 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 Wy Trans Dept Waltman Ra is about twice 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 Wy Trans Dept Waltman Ra?

EPA lists Wy Trans Dept Waltman Ra as owned by a state 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. 4 of the 48 active systems in Natrona County (8.3%) are also owned by a state government.

Does Wy Trans Dept Waltman Ra have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between July 1995 and July 2025. By type: 3 monitoring, 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
1995-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1995-07-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoArchived

All 5 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.

Wy Trans Dept Waltman Ra: frequently asked questions

Who runs Wy Trans Dept Waltman Ra?

Wy Trans Dept Waltman Ra (PWSID WY5600964) is a transient non-community water system owned by a state government. It is regulated by the WY state drinking water program.

How many people does Wy Trans Dept Waltman Ra serve?

Wy Trans Dept Waltman Ra reports serving 300 people through 1 service connection in Natrona County, Wyoming.

Where does Wy Trans Dept Waltman Ra 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 Wy Trans Dept Waltman Ra have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in July 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 Wy Trans Dept Waltman Ra'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 5 violations for this system; 1 is health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the WY state drinking water program.

Where can I find Wy Trans Dept Waltman Ra's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Wy Trans Dept Waltman Ra 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 Natrona County

Water systemCountyPopulation servedTypeSource
Casper, City ofNatrona59,000CommunityPurchased surface water
Mills, City ofNatrona4,050CommunityGroundwater under influence of surface water
Bar Nunn, Town ofNatrona4,000CommunityPurchased surface water
Evansville, Town ofNatrona2,873CommunitySurface water
Vista West Water CompanyNatrona1,600CommunityPurchased surface water
Pioneer Water & Sewer DistrictNatrona1,500CommunityPurchased 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, “Wy Trans Dept Waltman Ra, PWSID WY5600964, Wyoming”, https://aquacensus.com/water-systems/wyoming/wy-trans-dept-waltman-ra-wy5600964 (data as of October 1, 2026).