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Public water system · MT0004489

Active

Bryant No 3 Subdivision

At a glance

Bryant No 3 Subdivision (PWSID MT0004489) is an active community water system in Lewis and Clark County, Montana. It reports serving 100 people through 56 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, none is health-based, and the most recent began in December 2024.

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

Population served

100

Service connections

56

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMT0004489
System typeCommunity water system
Activity statusActive
Population served100
Service connections56
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMT state drinking water program
City servedHelena
StateMontana
ZIP—
CountyLewis and Clark County

How does Bryant No 3 Subdivision compare with other water systems in Lewis and Clark County?

By EPA's size categories, Bryant No 3 Subdivision is a very small system (500 people or fewer). Lewis and Clark County has 165 active public water systems. Its population served is well below the county average of 413 people per system, and accounts for 0.1% of the 68,071 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 Bryant No 3 Subdivision 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 Bryant No 3 Subdivision?

EPA lists Bryant No 3 Subdivision 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. 134 of the 165 active systems in Lewis and Clark County (81%) are also privately owned.

Does Bryant No 3 Subdivision have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. The violations listed here began between July 2008 and December 2024. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 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
2024-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2018-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2018-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Nitrate-Nitritecode 1038NoResolved
2011-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2011-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2010-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2009-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2009-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2008-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2008-07-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved

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.

Bryant No 3 Subdivision: frequently asked questions

Who runs Bryant No 3 Subdivision?

Bryant No 3 Subdivision (PWSID MT0004489) is a community water system privately owned. It is regulated by the MT state drinking water program.

How many people does Bryant No 3 Subdivision serve?

Bryant No 3 Subdivision reports serving 100 people through 56 service connections in Lewis and Clark County, Montana.

Where does Bryant No 3 Subdivision 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 Bryant No 3 Subdivision have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 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 Bryant No 3 Subdivision'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, none is health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.

Where can I find Bryant No 3 Subdivision's water quality report?

As a community water system, Bryant No 3 Subdivision 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 Lewis and Clark County

Water systemCountyPopulation servedTypeSource
Helena Water SystemLewis and Clark32,091CommunitySurface water
East Helena City ofLewis and Clark2,114CommunityGroundwater
Eastgate Village Sewer and WaterLewis and Clark2,000CommunityGroundwater
Va Medical Center HelenaLewis and Clark1,275CommunityPurchased surface water
Helena Leisure LLCLewis and Clark1,200CommunityGroundwater
Bobs Valley Service Inc.Lewis and Clark1,032Non-transient non-communityGroundwater

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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, “Bryant No 3 Subdivision, PWSID MT0004489, Montana”, https://aquacensus.com/water-systems/montana/bryant-no-3-subdivision-mt0004489 (data as of October 1, 2026).