PlainWater

Community Water System · PWS MT0000334

Stanford Town Of

Stanford, Montana 59479 - drinking water served from groundwater sources to 425 people, tracked in EPA SDWIS and UCMR5.

425
People served
859
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 859 drinking-water violations at Stanford Town Of, 1% of them health-based - above the Montana per-system average.

859
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
425
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Stanford Town Of

Stanford Town Of is a local-owned community water system that delivers drinking water to 425 residents in Stanford, Montana (Judith Basin County) through 265 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 859 total violations for this system , of which 6 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 844 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 Nitrate-Nitrite, recorded in 27 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%).

Stanford Town Of's 859 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
425
Total Violations
859
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
265
County
Judith Basin
School/Daycare
No
MCL Violations
3
Monitoring Violations
844
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate-Nitrite MR 27 2008
BHC-GAMMA MR 15 1999
Toxaphene MR 15 1999
Dalapon MR 15 1999
Diquat MR 15 1999
Endothall MR 15 1999
Glyphosate MR 15 1999
Di(2-ethylhexyl) adipate MR 15 1999
OXAMYL MR 15 1999
Picloram MR 15 1999
Dinoseb MR 15 1999
Hexachlorocyclopentadiene MR 15 1999
Aldicarb sulfoxide MR 15 1999
Aldicarb sulfone MR 15 1999
LASSO MR 15 1999
Heptachlor epoxide MR 15 1999
2,4-D MR 15 1999
2,4,5-TP MR 15 1999
Benzo(a)pyrene MR 15 1999
Pentachlorophenol MR 15 1999
Total Polychlorinated Biphenyls (PCB) MR 15 1999
1,2-DIBROMO-3-CHLOROPROPANE MR 15 1999
Endrin MR 15 1999
Simazine MR 15 1999
Di(2-ethylhexyl) phthalate MR 15 1999
Carbofuran MR 15 1999
Atrazine MR 15 1999
2,3,7,8-TCDD MR 15 1999
ETHYLENE DIBROMIDE MR 15 1999
Chlordane MR 15 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 Stanford Town Of.

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 MT0000334 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 Consumer Confidence Rule Other 8 SDWIS / MT0000334 / 7000
2021 Lead and Copper Rule MR 13 SDWIS / MT0000334 / 5000
2016 TTHM MR 3 SDWIS / MT0000334 / 2950
2016 Total Haloacetic Acids (HAA5) MR 3 SDWIS / MT0000334 / 2456
2014 1,2,4-Trichlorobenzene MR 10 SDWIS / MT0000334 / 2378
2014 cis-1,2-Dichloroethylene MR 10 SDWIS / MT0000334 / 2380
2014 p-Dichlorobenzene MR 10 SDWIS / MT0000334 / 2969
2014 Vinyl chloride MR 10 SDWIS / MT0000334 / 2976
2014 1,1-Dichloroethylene MR 10 SDWIS / MT0000334 / 2977
2014 trans-1,2-Dichloroethylene MR 10 SDWIS / MT0000334 / 2979
2014 1,2-Dichloroethane MR 10 SDWIS / MT0000334 / 2980
2014 Carbon tetrachloride MR 10 SDWIS / MT0000334 / 2982
2014 1,2-Dichloropropane MR 10 SDWIS / MT0000334 / 2983
2014 1,1,2-Trichloroethane MR 10 SDWIS / MT0000334 / 2985
2014 Tetrachloroethylene MR 10 SDWIS / MT0000334 / 2987

How Stanford Town Of Compares

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

Metric Stanford Town Of Montana avg Federal benchmark
Total violations 859 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 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 425 492 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 Stanford Town Of water safe to drink?
Stanford Town Of (PWS ID: MT0000334) has 859 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 425 people using Groundwater sources.
How many people does Stanford Town Of serve?
Stanford Town Of serves 425 people in Stanford, Montana. It is a Local-owned system using Groundwater water sources with 265 service connections.
What type of violations does Stanford Town Of have?
Stanford Town Of has 859 total violations: 6 health-based violations (MCL exceedances or treatment failures), 844 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Stanford Town Of water?
No PFAS testing data is available for Stanford Town Of under the EPA's UCMR5 monitoring program.
What water source does Stanford Town Of use?
Stanford Town Of uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.
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.