PlainWater

Community Water System · PWS MT0001623

Phillips County Zortman Water and Sewer

Zortman, Montana 59546 - drinking water served from groundwater sources to 169 people, tracked in EPA SDWIS and UCMR5.

169
People served
149
EPA violations
19
Health-based
Untested
UCMR5 result

The verdict

EPA records 149 drinking-water violations at Phillips County Zortman Water and Sewer, 13% of them health-based - above the Montana per-system average.

149
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
169
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Phillips County Zortman Water and Sewer

Phillips County Zortman Water and Sewer is a local-owned community water system that delivers drinking water to 169 residents in Zortman, Montana (Phillips County) through 39 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 149 total violations for this system , of which 19 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 112 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 36 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%).

Phillips County Zortman Water and Sewer's 149 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
169
Total Violations
149
Health-Based Violations
19
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
39
County
Phillips
School/Daycare
No
MCL Violations
19
Monitoring Violations
112
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 36 2006
Lead and Copper Rule MR 21 2014
Coliform (TCR) MCL 19 2015
Consumer Confidence Rule Other 12 2020
Arsenic MR 4 2002
Nickel MR 4 2002
Thallium, Total MR 4 2002
Nitrate-Nitrite MR 4 2012
Antimony, Total MR 4 2002
Beryllium, Total MR 4 2002
Revised Total Coliform Rule MON 3 2021
Dinoseb MR 3 1996
Simazine MR 1 1996
Picloram MR 1 1996
Dalapon MR 1 1996
Pentachlorophenol MR 1 1996
Total Polychlorinated Biphenyls (PCB) MR 1 1996
Heptachlor epoxide MR 1 1996
Heptachlor MR 1 1996
Carbofuran MR 1 1996
Atrazine MR 1 1996
Aldicarb sulfoxide MR 1 1996
LASSO MR 1 1996
2,4,5-TP MR 1 1996
2,4-D MR 1 1996
Toxaphene MR 1 1996
BHC-GAMMA MR 1 1996
Methoxychlor MR 1 1996
Gross Alpha, Excl. Radon and U MR 1 1983
OXAMYL MR 1 1996

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 Phillips County Zortman Water and Sewer.

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 MT0001623 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
2021 Revised Total Coliform Rule MON 3 SDWIS / MT0001623 / 8000
2020 Consumer Confidence Rule Other 12 SDWIS / MT0001623 / 7000
2015 Coliform (TCR) MCL 19 SDWIS / MT0001623 / 3100
2014 Lead and Copper Rule MR 21 SDWIS / MT0001623 / 5000
2012 Nitrate-Nitrite MR 4 SDWIS / MT0001623 / 1038
2006 Coliform (TCR) MR 36 SDWIS / MT0001623 / 3100
2002 Arsenic MR 4 SDWIS / MT0001623 / 1005
2002 Nickel MR 4 SDWIS / MT0001623 / 1036
2002 Thallium, Total MR 4 SDWIS / MT0001623 / 1085
2002 Antimony, Total MR 4 SDWIS / MT0001623 / 1074
2002 Beryllium, Total MR 4 SDWIS / MT0001623 / 1075
1996 Dinoseb MR 3 SDWIS / MT0001623 / 2041
1996 Simazine MR 1 SDWIS / MT0001623 / 2037
1996 Picloram MR 1 SDWIS / MT0001623 / 2040
1996 Dalapon MR 1 SDWIS / MT0001623 / 2031

How Phillips County Zortman Water and Sewer Compares

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

Metric Phillips County Zortman Water and Sewer Montana avg Federal benchmark
Total violations 149 131.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 19 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 169 492 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 Phillips County Zortman Water and Sewer water safe to drink?
Phillips County Zortman Water and Sewer (PWS ID: MT0001623) has 149 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 169 people using Groundwater sources.
How many people does Phillips County Zortman Water and Sewer serve?
Phillips County Zortman Water and Sewer serves 169 people in Zortman, Montana. It is a Local-owned system using Groundwater water sources with 39 service connections.
What type of violations does Phillips County Zortman Water and Sewer have?
Phillips County Zortman Water and Sewer has 149 total violations: 19 health-based violations (MCL exceedances or treatment failures), 112 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Phillips County Zortman Water and Sewer water?
No PFAS testing data is available for Phillips County Zortman Water and Sewer under the EPA's UCMR5 monitoring program.
What water source does Phillips County Zortman Water and Sewer use?
Phillips County Zortman Water and Sewer 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.