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Non-Transient Non-Community Water System · PWS MT0004763

Montana Precision Products

Butte, Montana 59750 - drinking water served from groundwater sources to 260 people, tracked in EPA SDWIS and UCMR5.

260
People served
111
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 111 drinking-water violations at Montana Precision Products - below the Montana per-system average.

111
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
260
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Montana Precision Products

Montana Precision Products is a private-owned non-transient non-community water system that delivers drinking water to 260 residents in Butte, Montana (Silver Bow County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 111 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 111 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Hexachlorocyclopentadiene, recorded in 4 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%).

Montana Precision Products's 111 violations sit below 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
260
Total Violations
111
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Silver Bow
School/Daycare
No
MCL Violations
0
Monitoring Violations
111
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Hexachlorocyclopentadiene MR 4 2012
Aldicarb sulfoxide MR 4 2012
Aldicarb sulfone MR 4 2012
Carbofuran MR 4 2012
Aldicarb MR 4 2012
BHC-GAMMA MR 4 2012
Atrazine MR 4 2012
LASSO MR 4 2012
Heptachlor MR 4 2012
Heptachlor epoxide MR 4 2012
2,4-D MR 4 2012
HEXACHLOROBENZENE MR 4 2012
Benzo(a)pyrene MR 4 2012
Toxaphene MR 4 2012
Nitrate-Nitrite MR 4 2020
Dalapon MR 4 2012
OXAMYL MR 4 2012
Simazine MR 4 2012
Dinoseb MR 4 2012
Chlordane MR 4 2012
Di(2-ethylhexyl) phthalate MR 4 2012
Picloram MR 4 2012
2,4,5-TP MR 4 2012
Endrin MR 4 2012
Methoxychlor MR 4 2012
Di(2-ethylhexyl) adipate MR 4 2012
Pentachlorophenol MR 4 2012
Coliform (TCR) MR 3 2016

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 Montana Precision Products.

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 MT0004763 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
2020 Nitrate-Nitrite MR 4 SDWIS / MT0004763 / 1038
2016 Coliform (TCR) MR 3 SDWIS / MT0004763 / 3100
2012 Hexachlorocyclopentadiene MR 4 SDWIS / MT0004763 / 2042
2012 Aldicarb sulfoxide MR 4 SDWIS / MT0004763 / 2043
2012 Aldicarb sulfone MR 4 SDWIS / MT0004763 / 2044
2012 Carbofuran MR 4 SDWIS / MT0004763 / 2046
2012 Aldicarb MR 4 SDWIS / MT0004763 / 2047
2012 BHC-GAMMA MR 4 SDWIS / MT0004763 / 2010
2012 Atrazine MR 4 SDWIS / MT0004763 / 2050
2012 LASSO MR 4 SDWIS / MT0004763 / 2051
2012 Heptachlor MR 4 SDWIS / MT0004763 / 2065
2012 Heptachlor epoxide MR 4 SDWIS / MT0004763 / 2067
2012 2,4-D MR 4 SDWIS / MT0004763 / 2105
2012 HEXACHLOROBENZENE MR 4 SDWIS / MT0004763 / 2274
2012 Benzo(a)pyrene MR 4 SDWIS / MT0004763 / 2306

How Montana Precision Products Compares

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

Metric Montana Precision Products Montana avg Federal benchmark
Total violations 111 131.4 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 260 492 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 Montana Precision Products water safe to drink? ▼
Montana Precision Products (PWS ID: MT0004763) has 111 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 260 people using Groundwater sources.
How many people does Montana Precision Products serve? ▼
Montana Precision Products serves 260 people in Butte, Montana. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Montana Precision Products have? ▼
Montana Precision Products has 111 total violations: 0 health-based violations (MCL exceedances or treatment failures), 111 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Montana Precision Products water? ▼
No PFAS testing data is available for Montana Precision Products under the EPA's UCMR5 monitoring program.
What water source does Montana Precision Products use? ▼
Montana Precision Products 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.