PlainWater
States → Montana

Non-Transient Non-Community Water System · PWS MT0002521

Box Elder School District 13G

Box Elder, Montana 59521 - drinking water served from groundwater sources to 500 people, tracked in EPA SDWIS and UCMR5.

500
People served
513
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 513 drinking-water violations at Box Elder School District 13G, 4% of them health-based - above the Montana per-system average.

513
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Box Elder School District 13G

Box Elder School District 13G is a local-owned non-transient non-community water system that delivers drinking water to 500 residents in Box Elder, Montana (Hill County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 513 total violations for this system , of which 20 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 490 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 81 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%).

Box Elder School District 13G's 513 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
500
Total Violations
513
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
3
County
Hill
School/Daycare
Yes
MCL Violations
11
Monitoring Violations
490
Treatment Tech Violations
9

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 81 2024
Coliform (TCR) MR 29 2015
E. COLI MR 13 2024
Coliform (TCR) MCL 11 2003
Methoxychlor MR 7 2011
Toxaphene MR 7 2011
Dalapon MR 7 2011
Di(2-ethylhexyl) adipate MR 7 2011
OXAMYL MR 7 2011
Simazine MR 7 2011
Picloram MR 7 2011
Hexachlorocyclopentadiene MR 7 2011
Aldicarb sulfoxide MR 7 2011
Aldicarb sulfone MR 7 2011
Aldicarb MR 7 2011
LASSO MR 7 2011
Heptachlor MR 7 2011
Heptachlor epoxide MR 7 2011
HEXACHLOROBENZENE MR 7 2011
Benzo(a)pyrene MR 7 2011
1,2,4-Trichlorobenzene MR 7 2011
cis-1,2-Dichloroethylene MR 7 2011
Xylenes, Total MR 7 2011
o-Dichlorobenzene MR 7 2011
Vinyl chloride MR 7 2011
p-Dichlorobenzene MR 7 2011
1,1-Dichloroethylene MR 7 2011
Trichloroethylene MR 7 2011
1,1,2-Trichloroethane MR 7 2011
Tetrachloroethylene MR 7 2011

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 Box Elder School District 13G.

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 MT0002521 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
2024 Lead and Copper Rule MR 81 SDWIS / MT0002521 / 5000
2024 E. COLI MR 13 SDWIS / MT0002521 / 3014
2021 Lead and Copper Rule TT 6 SDWIS / MT0002521 / 5000
2021 Revised Total Coliform Rule TT 3 SDWIS / MT0002521 / 8000
2016 Revised Total Coliform Rule Other 3 SDWIS / MT0002521 / 8000
2015 Coliform (TCR) MR 29 SDWIS / MT0002521 / 3100
2011 Methoxychlor MR 7 SDWIS / MT0002521 / 2015
2011 Toxaphene MR 7 SDWIS / MT0002521 / 2020
2011 Dalapon MR 7 SDWIS / MT0002521 / 2031
2011 Di(2-ethylhexyl) adipate MR 7 SDWIS / MT0002521 / 2035
2011 OXAMYL MR 7 SDWIS / MT0002521 / 2036
2011 Simazine MR 7 SDWIS / MT0002521 / 2037
2011 Picloram MR 7 SDWIS / MT0002521 / 2040
2011 Hexachlorocyclopentadiene MR 7 SDWIS / MT0002521 / 2042
2011 Aldicarb sulfoxide MR 7 SDWIS / MT0002521 / 2043

How Box Elder School District 13G Compares

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

Metric Box Elder School District 13G Montana avg Federal benchmark
Total violations 513 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 20 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 500 492 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 Box Elder School District 13G water safe to drink? ▼
Box Elder School District 13G (PWS ID: MT0002521) has 513 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 500 people using Groundwater sources.
How many people does Box Elder School District 13G serve? ▼
Box Elder School District 13G serves 500 people in Box Elder, Montana. It is a Local-owned system using Groundwater water sources with 3 service connections.
What type of violations does Box Elder School District 13G have? ▼
Box Elder School District 13G has 513 total violations: 20 health-based violations (MCL exceedances or treatment failures), 490 monitoring/reporting violations, and 9 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Box Elder School District 13G water? ▼
No PFAS testing data is available for Box Elder School District 13G under the EPA's UCMR5 monitoring program.
What water source does Box Elder School District 13G use? ▼
Box Elder School District 13G 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.