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Non-Transient Non-Community Water System · PWS MT0004958

Belgrade Commercial Park PWS

Belgrade, Montana 59714 - drinking water served from groundwater sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
140
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 140 drinking-water violations at Belgrade Commercial Park PWS - above the Montana per-system average.

140
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Belgrade Commercial Park PWS

Belgrade Commercial Park PWS is a private-owned non-transient non-community water system that delivers drinking water to 50 residents in Belgrade, Montana (Gallatin County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 140 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 140 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Picloram, recorded in 6 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, 5 of 45 UCMR5-tested systems have reported PFAS detections (11.1%).

Belgrade Commercial Park PWS's 140 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
50
Total Violations
140
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
4
County
Gallatin
School/Daycare
No
MCL Violations
0
Monitoring Violations
140
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Picloram MR 6 2019
Carbofuran MR 6 2019
Atrazine MR 6 2019
LASSO MR 6 2019
Benzo(a)pyrene MR 6 2019
Pentachlorophenol MR 6 2019
Chlordane MR 6 2019
Toxaphene MR 6 2019
Di(2-ethylhexyl) adipate MR 6 2019
OXAMYL MR 6 2019
Simazine MR 6 2019
Hexachlorocyclopentadiene MR 6 2019
2,4-D MR 6 2019
2,4,5-TP MR 6 2019
Dalapon MR 6 2019
Endrin MR 6 2019
Heptachlor MR 6 2019
BHC-GAMMA MR 6 2019
HEXACHLOROBENZENE MR 6 2019
Di(2-ethylhexyl) phthalate MR 6 2019
Heptachlor epoxide MR 6 2019
Methoxychlor MR 6 2019
Dinoseb MR 6 2019
Lead and Copper Rule MR 2 2019

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 Belgrade Commercial Park PWS.

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 MT0004958 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
2019 Picloram MR 6 SDWIS / MT0004958 / 2040
2019 Carbofuran MR 6 SDWIS / MT0004958 / 2046
2019 Atrazine MR 6 SDWIS / MT0004958 / 2050
2019 LASSO MR 6 SDWIS / MT0004958 / 2051
2019 Benzo(a)pyrene MR 6 SDWIS / MT0004958 / 2306
2019 Pentachlorophenol MR 6 SDWIS / MT0004958 / 2326
2019 Chlordane MR 6 SDWIS / MT0004958 / 2959
2019 Toxaphene MR 6 SDWIS / MT0004958 / 2020
2019 Di(2-ethylhexyl) adipate MR 6 SDWIS / MT0004958 / 2035
2019 OXAMYL MR 6 SDWIS / MT0004958 / 2036
2019 Simazine MR 6 SDWIS / MT0004958 / 2037
2019 Hexachlorocyclopentadiene MR 6 SDWIS / MT0004958 / 2042
2019 2,4-D MR 6 SDWIS / MT0004958 / 2105
2019 2,4,5-TP MR 6 SDWIS / MT0004958 / 2110
2019 Dalapon MR 6 SDWIS / MT0004958 / 2031

How Belgrade Commercial Park PWS Compares

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

Metric Belgrade Commercial Park PWS Montana avg Federal benchmark
Total violations 140 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 11.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 50 492 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 Belgrade Commercial Park PWS water safe to drink? ▼
Belgrade Commercial Park PWS (PWS ID: MT0004958) has 140 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does Belgrade Commercial Park PWS serve? ▼
Belgrade Commercial Park PWS serves 50 people in Belgrade, Montana. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does Belgrade Commercial Park PWS have? ▼
Belgrade Commercial Park PWS has 140 total violations: 0 health-based violations (MCL exceedances or treatment failures), 140 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Belgrade Commercial Park PWS water? ▼
No PFAS testing data is available for Belgrade Commercial Park PWS under the EPA's UCMR5 monitoring program.
What water source does Belgrade Commercial Park PWS use? ▼
Belgrade Commercial Park PWS 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.