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Non-Transient Non-Community Water System · PWS MT0004005

Streeters Corner Water System

Bigfork, Montana 59911 - drinking water served from groundwater sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
448
EPA violations
28
Health-based
Untested
UCMR5 result

The verdict

EPA records 448 drinking-water violations at Streeters Corner Water System, 6% of them health-based - above the Montana per-system average.

448
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Streeters Corner Water System

Streeters Corner Water System is a private-owned non-transient non-community water system that delivers drinking water to 50 residents in Bigfork, Montana (Flathead County) through 4 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 448 total violations for this system , of which 28 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 420 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 86 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%).

Streeters Corner Water System's 448 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
448
Health-Based Violations
28
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
4
County
Flathead
School/Daycare
No
MCL Violations
28
Monitoring Violations
420
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 86 2012
Nitrate-Nitrite MR 30 2011
Coliform (TCR) MCL 28 2006
Endrin MR 9 2012
Methoxychlor MR 9 2012
Toxaphene MR 9 2012
Di(2-ethylhexyl) adipate MR 9 2012
OXAMYL MR 9 2012
Simazine MR 9 2012
Hexachlorocyclopentadiene MR 9 2012
Aldicarb sulfoxide MR 9 2012
Carbofuran MR 9 2012
Aldicarb MR 9 2012
Atrazine MR 9 2012
Heptachlor MR 9 2012
Heptachlor epoxide MR 9 2012
2,4,5-TP MR 9 2012
HEXACHLOROBENZENE MR 9 2012
Benzo(a)pyrene MR 9 2012
Pentachlorophenol MR 9 2012
Chlordane MR 9 2012
BHC-GAMMA MR 9 2012
Dinoseb MR 9 2012
Aldicarb sulfone MR 9 2012
LASSO MR 9 2012
2,4-D MR 9 2012
Di(2-ethylhexyl) phthalate MR 9 2012
Picloram MR 9 2012
Dalapon MR 9 2012
Nitrate MR 4 1998

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 Streeters Corner Water System.

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 MT0004005 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
2014 1,2,4-Trichlorobenzene MR 3 SDWIS / MT0004005 / 2378
2014 cis-1,2-Dichloroethylene MR 3 SDWIS / MT0004005 / 2380
2014 Xylenes, Total MR 3 SDWIS / MT0004005 / 2955
2014 DICHLOROMETHANE MR 3 SDWIS / MT0004005 / 2964
2014 o-Dichlorobenzene MR 3 SDWIS / MT0004005 / 2968
2014 p-Dichlorobenzene MR 3 SDWIS / MT0004005 / 2969
2014 trans-1,2-Dichloroethylene MR 3 SDWIS / MT0004005 / 2979
2014 1,2-Dichloroethane MR 3 SDWIS / MT0004005 / 2980
2014 1,1,1-Trichloroethane MR 3 SDWIS / MT0004005 / 2981
2014 Trichloroethylene MR 3 SDWIS / MT0004005 / 2984
2014 1,1,2-Trichloroethane MR 3 SDWIS / MT0004005 / 2985
2014 Tetrachloroethylene MR 3 SDWIS / MT0004005 / 2987
2014 Toluene MR 3 SDWIS / MT0004005 / 2991
2014 Ethylbenzene MR 3 SDWIS / MT0004005 / 2992
2014 Vinyl chloride MR 3 SDWIS / MT0004005 / 2976

How Streeters Corner Water System Compares

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

Metric Streeters Corner Water System Montana avg Federal benchmark
Total violations 448 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 28 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 Streeters Corner Water System water safe to drink? ▼
Streeters Corner Water System (PWS ID: MT0004005) has 448 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 Streeters Corner Water System serve? ▼
Streeters Corner Water System serves 50 people in Bigfork, Montana. It is a Private-owned system using Groundwater water sources with 4 service connections.
What type of violations does Streeters Corner Water System have? ▼
Streeters Corner Water System has 448 total violations: 28 health-based violations (MCL exceedances or treatment failures), 420 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Streeters Corner Water System water? ▼
No PFAS testing data is available for Streeters Corner Water System under the EPA's UCMR5 monitoring program.
What water source does Streeters Corner Water System use? ▼
Streeters Corner Water System 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.