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States → Montana

Non-Transient Non-Community Water System · PWS MT0005095

Beartooth Spring Water

Billings, Montana 59102 - drinking water served from groundwater sources to 25 people, tracked in EPA SDWIS and UCMR5.

25
People served
420
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 420 drinking-water violations at Beartooth Spring Water - above the Montana per-system average.

420
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
25
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Beartooth Spring Water

Beartooth Spring Water is a private-owned non-transient non-community water system that delivers drinking water to 25 residents in Billings, Montana (Carbon County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 420 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 420 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 Revised Total Coliform Rule, recorded in 41 violations (MON). 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%).

Beartooth Spring Water's 420 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
25
Total Violations
420
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Carbon
School/Daycare
No
MCL Violations
0
Monitoring Violations
420
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 41 2025
Picloram MR 12 2023
Dinoseb MR 12 2023
Hexachlorocyclopentadiene MR 12 2023
Carbofuran MR 12 2023
Heptachlor MR 12 2023
2,4-D MR 12 2023
2,4,5-TP MR 12 2023
HEXACHLOROBENZENE MR 12 2023
Benzo(a)pyrene MR 12 2023
Pentachlorophenol MR 12 2023
Chlordane MR 12 2023
Endrin MR 12 2023
Toxaphene MR 12 2023
Dalapon MR 12 2023
OXAMYL MR 12 2023
Simazine MR 12 2023
Heptachlor epoxide MR 12 2023
Methoxychlor MR 12 2023
Di(2-ethylhexyl) adipate MR 12 2023
LASSO MR 12 2023
BHC-GAMMA MR 12 2023
Atrazine MR 12 2023
Di(2-ethylhexyl) phthalate MR 12 2023
Lead and Copper Rule MR 7 2024
Thallium, Total MR 3 2020
Selenium MR 3 2020
Nitrate-Nitrite MR 3 2022
Barium MR 3 2020
Cadmium 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 Beartooth Spring Water.

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 MT0005095 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 Revised Total Coliform Rule MON 41 SDWIS / MT0005095 / 8000
2024 Lead and Copper Rule MR 7 SDWIS / MT0005095 / 5000
2023 Picloram MR 12 SDWIS / MT0005095 / 2040
2023 Dinoseb MR 12 SDWIS / MT0005095 / 2041
2023 Hexachlorocyclopentadiene MR 12 SDWIS / MT0005095 / 2042
2023 Carbofuran MR 12 SDWIS / MT0005095 / 2046
2023 Heptachlor MR 12 SDWIS / MT0005095 / 2065
2023 2,4-D MR 12 SDWIS / MT0005095 / 2105
2023 2,4,5-TP MR 12 SDWIS / MT0005095 / 2110
2023 HEXACHLOROBENZENE MR 12 SDWIS / MT0005095 / 2274
2023 Benzo(a)pyrene MR 12 SDWIS / MT0005095 / 2306
2023 Pentachlorophenol MR 12 SDWIS / MT0005095 / 2326
2023 Chlordane MR 12 SDWIS / MT0005095 / 2959
2023 Endrin MR 12 SDWIS / MT0005095 / 2005
2023 Toxaphene MR 12 SDWIS / MT0005095 / 2020

How Beartooth Spring Water Compares

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

Metric Beartooth Spring Water Montana avg Federal benchmark
Total violations 420 131.4 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 62.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 25 492 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 Beartooth Spring Water water safe to drink? ▼
Beartooth Spring Water (PWS ID: MT0005095) has 420 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does Beartooth Spring Water serve? ▼
Beartooth Spring Water serves 25 people in Billings, Montana. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Beartooth Spring Water have? ▼
Beartooth Spring Water has 420 total violations: 0 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 Beartooth Spring Water water? ▼
No PFAS testing data is available for Beartooth Spring Water under the EPA's UCMR5 monitoring program.
What water source does Beartooth Spring Water use? ▼
Beartooth Spring Water 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.