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Public water system · WY5601632

Active

Canyon Improvement & Service District

At a glance

Canyon Improvement & Service District (PWSID WY5601632) is an active community water system in Weston County, Wyoming. It reports serving 79 people through 26 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; none is health-based, and the most recent began in February 2024.

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

Population served

79

Service connections

26

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWY5601632
System typeCommunity water system
Activity statusActive
Population served79
Service connections26
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWY state drinking water program
City servedNewcastle
StateWyoming
ZIP—
CountyWeston County

How does Canyon Improvement & Service District compare with other water systems in Weston County?

By EPA's size categories, Canyon Improvement & Service District is a very small system (500 people or fewer). Weston County has 12 active public water systems. Its population served is well below the county average of 541 people per system, and accounts for 1.2% of the 6,496 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 Canyon Improvement & Service District 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 Canyon Improvement & Service District?

EPA lists Canyon Improvement & Service District as owned by a local 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. 8 of the 12 active systems in Weston County (67%) are also owned by a local government.

Does Canyon Improvement & Service District have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in February 2024. The violations listed here began between January 2012 and February 2024. By type: 6 monitoring and reporting, 4 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (4 of them). EPA lists 9 as resolved and 2 as unaddressed. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed
2022-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2022-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Radium-226code 4020NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Radium-228code 4030NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved

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.

Canyon Improvement & Service District: frequently asked questions

Who runs Canyon Improvement & Service District?

Canyon Improvement & Service District (PWSID WY5601632) is a community water system owned by a local government. It is regulated by the WY state drinking water program.

How many people does Canyon Improvement & Service District serve?

Canyon Improvement & Service District reports serving 79 people through 26 service connections in Weston County, Wyoming.

Where does Canyon Improvement & Service District 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 Canyon Improvement & Service District have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in February 2024. 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 Canyon Improvement & Service District'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; none is health-based, and the most recent began in February 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WY state drinking water program.

Where can I find Canyon Improvement & Service District's water quality report?

As a community water system, Canyon Improvement & Service District 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 Weston County

Water systemCountyPopulation servedTypeSource
Newcastle, City ofWeston3,595CommunityGroundwater
Upton, Town ofWeston1,100CommunityGroundwater
Salt Creek Water DistrictWeston600CommunityGroundwater
West End Water DistrictWeston225CommunityGroundwater
Weston County Mallo CampWeston201Transient non-communityGroundwater
Osage Water DistrictWeston200CommunityGroundwater

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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, “Canyon Improvement & Service District, PWSID WY5601632, Wyoming”, https://aquacensus.com/water-systems/wyoming/canyon-improvement-service-district-wy5601632 (data as of October 1, 2026).