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Non-Transient Non-Community Water System · PWS MT0003107

First Student Inc

Billings, Montana 59101 - drinking water served from groundwater sources to 130 people, tracked in EPA SDWIS and UCMR5.

130
People served
567
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 567 drinking-water violations at First Student Inc, 1% of them health-based - above the Montana per-system average.

567
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
130
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: First Student Inc

First Student Inc is a private-owned non-transient non-community water system that delivers drinking water to 130 residents in Billings, Montana (Yellowstone County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 567 total violations for this system , of which 7 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 560 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 72 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%).

First Student Inc's 567 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
130
Total Violations
567
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Yellowstone
School/Daycare
No
MCL Violations
7
Monitoring Violations
560
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 72 2024
Dalapon MR 25 2020
Coliform (TCR) MR 16 2011
Mercury MR 10 2014
cis-1,2-Dichloroethylene MR 7 1999
o-Dichlorobenzene MR 7 1999
1,1-Dichloroethylene MR 7 1999
trans-1,2-Dichloroethylene MR 7 1999
Carbon tetrachloride MR 7 1999
Trichloroethylene MR 7 1999
1,1,2-Trichloroethane MR 7 1999
Benzene MR 7 1999
Ethylbenzene MR 7 1999
BHC-GAMMA MR 7 1999
Glyphosate MR 7 1999
OXAMYL MR 7 1999
Aldicarb sulfoxide MR 7 1999
Aldicarb sulfone MR 7 1999
Atrazine MR 7 1999
LASSO MR 7 1999
Heptachlor MR 7 1999
Heptachlor epoxide MR 7 1999
2,4-D MR 7 1999
Benzo(a)pyrene MR 7 1999
Pentachlorophenol MR 7 1999
Total Polychlorinated Biphenyls (PCB) MR 7 1999
1,2-DIBROMO-3-CHLOROPROPANE MR 7 1999
Chlordane MR 7 1999
Barium MR 7 1999
Cadmium MR 7 1999

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 First Student Inc.

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 MT0003107 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 72 SDWIS / MT0003107 / 5000
2020 Dalapon MR 25 SDWIS / MT0003107 / 2031
2020 Asbestos MR 3 SDWIS / MT0003107 / 1094
2014 Mercury MR 10 SDWIS / MT0003107 / 1035
2011 Coliform (TCR) MR 16 SDWIS / MT0003107 / 3100
2001 Coliform (TCR) MCL 7 SDWIS / MT0003107 / 3100
1999 cis-1,2-Dichloroethylene MR 7 SDWIS / MT0003107 / 2380
1999 o-Dichlorobenzene MR 7 SDWIS / MT0003107 / 2968
1999 1,1-Dichloroethylene MR 7 SDWIS / MT0003107 / 2977
1999 trans-1,2-Dichloroethylene MR 7 SDWIS / MT0003107 / 2979
1999 Carbon tetrachloride MR 7 SDWIS / MT0003107 / 2982
1999 Trichloroethylene MR 7 SDWIS / MT0003107 / 2984
1999 1,1,2-Trichloroethane MR 7 SDWIS / MT0003107 / 2985
1999 Benzene MR 7 SDWIS / MT0003107 / 2990
1999 Ethylbenzene MR 7 SDWIS / MT0003107 / 2992

How First Student Inc Compares

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

Metric First Student Inc Montana avg Federal benchmark
Total violations 567 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 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 130 492 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 First Student Inc water safe to drink? ▼
First Student Inc (PWS ID: MT0003107) has 567 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 130 people using Groundwater sources.
How many people does First Student Inc serve? ▼
First Student Inc serves 130 people in Billings, Montana. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does First Student Inc have? ▼
First Student Inc has 567 total violations: 7 health-based violations (MCL exceedances or treatment failures), 560 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in First Student Inc water? ▼
No PFAS testing data is available for First Student Inc under the EPA's UCMR5 monitoring program.
What water source does First Student Inc use? ▼
First Student Inc 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.