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States → Montana

Non-Transient Non-Community Water System · PWS MT0001429

Augusta School Dist 45

Augusta, Montana 59410 - drinking water served from groundwater sources to 86 people, tracked in EPA SDWIS and UCMR5.

86
People served
263
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 263 drinking-water violations at Augusta School Dist 45, 6% of them health-based - above the Montana per-system average.

263
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
86
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Augusta School Dist 45

Augusta School Dist 45 is a local-owned non-transient non-community water system that delivers drinking water to 86 residents in Augusta, Montana (Lewis and Clark County) through 11 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 263 total violations for this system , of which 17 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 245 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 29 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, 5 of 45 UCMR5-tested systems have reported PFAS detections (11.1%).

Augusta School Dist 45's 263 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
86
Total Violations
263
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
11
County
Lewis and Clark
School/Daycare
Yes
MCL Violations
17
Monitoring Violations
245
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 29 2015
Coliform (TCR) MCL 17 2006
Lead and Copper Rule MR 15 2022
Arsenic MR 6 2011
Revised Total Coliform Rule MON 6 2022
Nitrate-Nitrite MR 6 2021
Aldicarb MR 4 2011
2,4-D MR 4 2011
Aldicarb sulfoxide MR 4 2011
Pentachlorophenol MR 4 2011
Dinoseb MR 4 2011
Dalapon MR 4 2011
OXAMYL MR 4 2011
Carbofuran MR 4 2011
2,4,5-TP MR 4 2011
Aldicarb sulfone MR 4 2011
Picloram MR 4 2011
o-Dichlorobenzene MR 3 2011
p-Dichlorobenzene MR 3 2011
Vinyl chloride MR 3 2011
1,1-Dichloroethylene MR 3 2011
trans-1,2-Dichloroethylene MR 3 2011
1,2-Dichloroethane MR 3 2011
Carbon tetrachloride MR 3 2011
1,2-Dichloropropane MR 3 2011
1,1,2-Trichloroethane MR 3 2011
CHLOROBENZENE MR 3 2011
Benzene MR 3 2011
Styrene MR 3 2011
Endrin 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 Augusta School Dist 45.

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 MT0001429 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
2022 Lead and Copper Rule MR 15 SDWIS / MT0001429 / 5000
2022 Revised Total Coliform Rule MON 6 SDWIS / MT0001429 / 8000
2021 Nitrate-Nitrite MR 6 SDWIS / MT0001429 / 1038
2015 Coliform (TCR) MR 29 SDWIS / MT0001429 / 3100
2011 Arsenic MR 6 SDWIS / MT0001429 / 1005
2011 Aldicarb MR 4 SDWIS / MT0001429 / 2047
2011 2,4-D MR 4 SDWIS / MT0001429 / 2105
2011 Aldicarb sulfoxide MR 4 SDWIS / MT0001429 / 2043
2011 Pentachlorophenol MR 4 SDWIS / MT0001429 / 2326
2011 Dinoseb MR 4 SDWIS / MT0001429 / 2041
2011 Dalapon MR 4 SDWIS / MT0001429 / 2031
2011 OXAMYL MR 4 SDWIS / MT0001429 / 2036
2011 Carbofuran MR 4 SDWIS / MT0001429 / 2046
2011 2,4,5-TP MR 4 SDWIS / MT0001429 / 2110
2011 Aldicarb sulfone MR 4 SDWIS / MT0001429 / 2044

How Augusta School Dist 45 Compares

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

Metric Augusta School Dist 45 Montana avg Federal benchmark
Total violations 263 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 11.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 11.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 86 492 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 Augusta School Dist 45 water safe to drink? ▼
Augusta School Dist 45 (PWS ID: MT0001429) has 263 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 86 people using Groundwater sources.
How many people does Augusta School Dist 45 serve? ▼
Augusta School Dist 45 serves 86 people in Augusta, Montana. It is a Local-owned system using Groundwater water sources with 11 service connections.
What type of violations does Augusta School Dist 45 have? ▼
Augusta School Dist 45 has 263 total violations: 17 health-based violations (MCL exceedances or treatment failures), 245 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Augusta School Dist 45 water? ▼
No PFAS testing data is available for Augusta School Dist 45 under the EPA's UCMR5 monitoring program.
What water source does Augusta School Dist 45 use? ▼
Augusta School Dist 45 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.