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Non-Transient Non-Community Water System · PWS MT0003953

Garden Center Subdivision Owners Assoc

Belgrade, Montana 59714 - drinking water served from groundwater sources to 150 people, tracked in EPA SDWIS and UCMR5.

150
People served
475
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 475 drinking-water violations at Garden Center Subdivision Owners Assoc, 1% of them health-based - above the Montana per-system average.

475
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
150
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Garden Center Subdivision Owners Assoc

Garden Center Subdivision Owners Assoc is a private-owned non-transient non-community water system that delivers drinking water to 150 residents in Belgrade, Montana (Gallatin County) through 11 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 475 total violations for this system , of which 6 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 463 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Groundwater Rule, recorded in 57 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Montana, EPA tracks 2,263 public water systems serving 1,112,267 people, with 297,270 cumulative violations and 25,922 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 131.4 violations. Statewide, 28 of 45 UCMR5-tested systems have reported PFAS detections (62.2%).

Garden Center Subdivision Owners Assoc's 475 violations sit above the Montana average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
150
Total Violations
475
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
11
County
Gallatin
School/Daycare
No
MCL Violations
0
Monitoring Violations
463
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Groundwater Rule MR 57 2024
Coliform (TCR) MR 33 2007
Lead and Copper Rule MR 28 2023
Nitrate-Nitrite MR 22 2009
Vinyl chloride MR 14 2008
1,2-Dichloropropane MR 14 2008
Trichloroethylene MR 14 2008
CHLOROBENZENE MR 14 2008
Toluene MR 14 2008
Ethylbenzene MR 14 2008
Styrene MR 14 2008
1,2,4-Trichlorobenzene MR 14 2008
DICHLOROMETHANE MR 14 2008
1,2-Dichloroethane MR 14 2008
1,1,1-Trichloroethane MR 14 2008
Carbon tetrachloride MR 14 2008
1,1,2-Trichloroethane MR 14 2008
Tetrachloroethylene MR 14 2008
cis-1,2-Dichloroethylene MR 14 2008
Xylenes, Total MR 14 2008
o-Dichlorobenzene MR 14 2008
1,1-Dichloroethylene MR 14 2008
Benzene MR 14 2008
trans-1,2-Dichloroethylene MR 14 2008
p-Dichlorobenzene MR 14 2008
Lead and Copper Rule TT 6 2008
Cadmium MR 3 2017
CYANIDE MR 3 2020
Glyphosate MR 3 2020
Total Polychlorinated Biphenyls (PCB) MR 3 2020

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Garden Center Subdivision Owners Assoc.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MT0003953 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Montana Drinking Water Authority

Montana's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find MT regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Groundwater Rule MR 57 SDWIS / MT0003953 / 0700
2023 Lead and Copper Rule MR 28 SDWIS / MT0003953 / 5000
2020 CYANIDE MR 3 SDWIS / MT0003953 / 1024
2020 Glyphosate MR 3 SDWIS / MT0003953 / 2034
2020 Total Polychlorinated Biphenyls (PCB) MR 3 SDWIS / MT0003953 / 2383
2020 ETHYLENE DIBROMIDE MR 3 SDWIS / MT0003953 / 2946
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 3 SDWIS / MT0003953 / 2931
2020 Diquat MR 3 SDWIS / MT0003953 / 2032
2020 Endothall MR 3 SDWIS / MT0003953 / 2033
2017 Cadmium MR 3 SDWIS / MT0003953 / 1015
2017 Beryllium, Total MR 3 SDWIS / MT0003953 / 1075
2011 Asbestos MR 2 SDWIS / MT0003953 / 1094
2009 Nitrate-Nitrite MR 22 SDWIS / MT0003953 / 1038
2008 Vinyl chloride MR 14 SDWIS / MT0003953 / 2976
2008 1,2-Dichloropropane MR 14 SDWIS / MT0003953 / 2983

How Garden Center Subdivision Owners Assoc Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Garden Center Subdivision Owners Assoc Montana avg Federal benchmark
Total violations 475 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 62.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 150 492 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,263 regulated public water systems in Montana.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Garden Center Subdivision Owners Assoc water safe to drink? ▼
Garden Center Subdivision Owners Assoc (PWS ID: MT0003953) has 475 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Groundwater sources.
How many people does Garden Center Subdivision Owners Assoc serve? ▼
Garden Center Subdivision Owners Assoc serves 150 people in Belgrade, Montana. It is a Private-owned system using Groundwater water sources with 11 service connections.
What type of violations does Garden Center Subdivision Owners Assoc have? ▼
Garden Center Subdivision Owners Assoc has 475 total violations: 6 health-based violations (MCL exceedances or treatment failures), 463 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Garden Center Subdivision Owners Assoc water? ▼
No PFAS testing data is available for Garden Center Subdivision Owners Assoc under the EPA's UCMR5 monitoring program.
What water source does Garden Center Subdivision Owners Assoc use? ▼
Garden Center Subdivision Owners Assoc uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.