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States → Montana

Non-Transient Non-Community Water System · PWS MT0002084

Anderson School

Bozeman, Montana 59718 - drinking water served from groundwater sources to 220 people, tracked in EPA SDWIS and UCMR5.

220
People served
208
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 208 drinking-water violations at Anderson School, 7% of them health-based - above the Montana per-system average.

208
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
220
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Anderson School

Anderson School is a state-owned non-transient non-community water system that delivers drinking water to 220 residents in Bozeman, Montana (Gallatin County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 208 total violations for this system , of which 14 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 192 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 Coliform (TCR), recorded in 13 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%).

Anderson School's 208 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
220
Total Violations
208
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
State
Connections
1
County
Gallatin
School/Daycare
Yes
MCL Violations
11
Monitoring Violations
192
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 13 2014
Lead and Copper Rule MR 12 2022
Chromium MR 10 2011
Fluoride MR 10 2011
Revised Total Coliform Rule MON 9 2024
Antimony, Total MR 7 2011
Coliform (TCR) MCL 7 2000
Barium MR 6 2011
Thallium, Total MR 6 2011
Selenium MR 6 2011
Cadmium MR 6 2011
Mercury MR 6 2011
Nickel MR 6 2011
Nitrate-Nitrite MR 6 2021
Beryllium, Total MR 6 2011
Revised Total Coliform Rule MCL 4 2024
Arsenic MR 3 2005
BHC-GAMMA MR 3 2011
Toxaphene MR 3 2011
OXAMYL MR 3 2011
Di(2-ethylhexyl) phthalate MR 3 2011
Hexachlorocyclopentadiene MR 3 2011
Aldicarb sulfoxide MR 3 2011
Atrazine MR 3 2011
LASSO MR 3 2011
Heptachlor MR 3 2011
Heptachlor epoxide MR 3 2011
2,4-D MR 3 2011
2,4,5-TP MR 3 2011
HEXACHLOROBENZENE MR 3 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 Anderson School.

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 MT0002084 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 Revised Total Coliform Rule MON 9 SDWIS / MT0002084 / 8000
2024 Revised Total Coliform Rule MCL 4 SDWIS / MT0002084 / 8000
2022 Lead and Copper Rule MR 12 SDWIS / MT0002084 / 5000
2022 Lead and Copper Rule TT 3 SDWIS / MT0002084 / 5000
2021 Nitrate-Nitrite MR 6 SDWIS / MT0002084 / 1038
2014 Coliform (TCR) MR 13 SDWIS / MT0002084 / 3100
2011 Chromium MR 10 SDWIS / MT0002084 / 1020
2011 Fluoride MR 10 SDWIS / MT0002084 / 1025
2011 Antimony, Total MR 7 SDWIS / MT0002084 / 1074
2011 Barium MR 6 SDWIS / MT0002084 / 1010
2011 Thallium, Total MR 6 SDWIS / MT0002084 / 1085
2011 Selenium MR 6 SDWIS / MT0002084 / 1045
2011 Cadmium MR 6 SDWIS / MT0002084 / 1015
2011 Mercury MR 6 SDWIS / MT0002084 / 1035
2011 Nickel MR 6 SDWIS / MT0002084 / 1036

How Anderson School Compares

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

Metric Anderson School Montana avg Federal benchmark
Total violations 208 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 220 492 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 Anderson School water safe to drink? ▼
Anderson School (PWS ID: MT0002084) has 208 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 220 people using Groundwater sources.
How many people does Anderson School serve? ▼
Anderson School serves 220 people in Bozeman, Montana. It is a State-owned system using Groundwater water sources with 1 service connections.
What type of violations does Anderson School have? ▼
Anderson School has 208 total violations: 14 health-based violations (MCL exceedances or treatment failures), 192 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Anderson School water? ▼
No PFAS testing data is available for Anderson School under the EPA's UCMR5 monitoring program.
What water source does Anderson School use? ▼
Anderson School 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.