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Public water system · MT0000433

Active

Spring Creek Colony Lewistown

At a glance

Spring Creek Colony Lewistown (PWSID MT0000433) is an active community water system in Fergus County, Montana. It reports serving 48 people through 12 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2019.

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

Population served

48

Service connections

12

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0000433
System typeCommunity water system
Activity statusActive
Population served48
Service connections12
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedLewistown
StateMontana
ZIP—
CountyFergus County

How does Spring Creek Colony Lewistown compare with other water systems in Fergus County?

By EPA's size categories, Spring Creek Colony Lewistown is a very small system (500 people or fewer). Fergus County has 21 active public water systems. Its population served is well below the county average of 533 people per system, and accounts for 0.4% of the 11,187 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Spring Creek Colony Lewistown 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. Montana has 853 active community water systems, 36% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.

Who owns and regulates Spring Creek Colony Lewistown?

EPA lists Spring Creek Colony Lewistown as privately owned. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 15 of the 21 active systems in Fergus County (71%) are also privately owned.

Does Spring Creek Colony Lewistown have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2019. The violations listed here began between January 2005 and July 2019. By type: 7 monitoring and reporting, 4 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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.

BeganViolationContaminant or ruleHealth-basedStatus
2019-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2007-01-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2006-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2006-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2006-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Fluoridecode 1025NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Toluenecode 2991NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nickelcode 1036NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved

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.

Spring Creek Colony Lewistown: frequently asked questions

Who runs Spring Creek Colony Lewistown?

Spring Creek Colony Lewistown (PWSID MT0000433) is a community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Spring Creek Colony Lewistown serve?

Spring Creek Colony Lewistown reports serving 48 people through 12 service connections in Fergus County, Montana.

Where does Spring Creek Colony Lewistown 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 Spring Creek Colony Lewistown have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2019. 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 Spring Creek Colony Lewistown'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, 4 are health-based, and the most recent began in July 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.

Where can I find Spring Creek Colony Lewistown's water quality report?

As a community water system, Spring Creek Colony Lewistown 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 Fergus County

Water systemCountyPopulation servedTypeSource
Lewistown City ofFergus5,923CommunityGroundwater
Lehrkinds Big Spring WaterFergus2,575Non-transient non-communityPurchased groundwater
Eddies CornerFergus503Transient non-communityGroundwater
K-M Scout Ranch Water SystemFergus325Transient non-communityGroundwater
Mountain Acres Mb Hm PkFergus320CommunityPurchased groundwater
Winifred Town ofFergus274CommunityGroundwater

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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, “Spring Creek Colony Lewistown, PWSID MT0000433, Montana”, https://aquacensus.com/water-systems/montana/spring-creek-colony-lewistown-mt0000433 (data as of October 1, 2026).