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Non-Transient Non-Community Water System · PWS MT0004990

Eagle Fjord

Bozeman, Montana 59718 - drinking water served from groundwater sources to 55 people, tracked in EPA SDWIS and UCMR5.

55
People served
236
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 236 drinking-water violations at Eagle Fjord - above the Montana per-system average.

236
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
55
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Eagle Fjord

Eagle Fjord is a private-owned non-transient non-community water system that delivers drinking water to 55 residents in Bozeman, Montana (Gallatin County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 236 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 236 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Endrin, recorded in 10 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%).

Eagle Fjord's 236 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
55
Total Violations
236
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Gallatin
School/Daycare
No
MCL Violations
0
Monitoring Violations
236
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Endrin MR 10 2024
Hexachlorocyclopentadiene MR 10 2024
Carbofuran MR 10 2024
Atrazine MR 10 2024
BHC-GAMMA MR 10 2024
Pentachlorophenol MR 10 2024
Picloram MR 10 2024
Dinoseb MR 10 2024
Heptachlor MR 10 2024
Toxaphene MR 10 2024
2,4,5-TP MR 10 2024
Benzo(a)pyrene MR 10 2024
Chlordane MR 10 2024
OXAMYL MR 10 2024
Simazine MR 10 2024
Di(2-ethylhexyl) adipate MR 10 2024
2,4-D MR 10 2024
HEXACHLOROBENZENE MR 10 2024
Di(2-ethylhexyl) phthalate MR 10 2024
Dalapon MR 10 2024
LASSO MR 10 2024
Methoxychlor MR 10 2024
Heptachlor epoxide MR 10 2024
Lead and Copper Rule MR 6 2025

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 Eagle Fjord.

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 MT0004990 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
2025 Lead and Copper Rule MR 6 SDWIS / MT0004990 / 5000
2024 Endrin MR 10 SDWIS / MT0004990 / 2005
2024 Hexachlorocyclopentadiene MR 10 SDWIS / MT0004990 / 2042
2024 Carbofuran MR 10 SDWIS / MT0004990 / 2046
2024 Atrazine MR 10 SDWIS / MT0004990 / 2050
2024 BHC-GAMMA MR 10 SDWIS / MT0004990 / 2010
2024 Pentachlorophenol MR 10 SDWIS / MT0004990 / 2326
2024 Picloram MR 10 SDWIS / MT0004990 / 2040
2024 Dinoseb MR 10 SDWIS / MT0004990 / 2041
2024 Heptachlor MR 10 SDWIS / MT0004990 / 2065
2024 Toxaphene MR 10 SDWIS / MT0004990 / 2020
2024 2,4,5-TP MR 10 SDWIS / MT0004990 / 2110
2024 Benzo(a)pyrene MR 10 SDWIS / MT0004990 / 2306
2024 Chlordane MR 10 SDWIS / MT0004990 / 2959
2024 OXAMYL MR 10 SDWIS / MT0004990 / 2036

How Eagle Fjord Compares

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

Metric Eagle Fjord Montana avg Federal benchmark
Total violations 236 131.4 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 55 492 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 Eagle Fjord water safe to drink?
Eagle Fjord (PWS ID: MT0004990) has 236 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 55 people using Groundwater sources.
How many people does Eagle Fjord serve?
Eagle Fjord serves 55 people in Bozeman, Montana. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Eagle Fjord have?
Eagle Fjord has 236 total violations: 0 health-based violations (MCL exceedances or treatment failures), 236 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Eagle Fjord water?
No PFAS testing data is available for Eagle Fjord under the EPA's UCMR5 monitoring program.
What water source does Eagle Fjord use?
Eagle Fjord 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.
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.