DENTON TOWN OF

PWSID: MT0000199 · Denton, MT · Serves 255 people

Health Violations

DENTON TOWN OF has 155 health-based violations out of 155 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
255
Total Violations
155
Health Violations
155
Source Type
Surface Water

DENTON TOWN OF (PWSID MT0000199) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 255 people in Denton, MT, and is subject to primacy enforcement by the Montana drinking-water program.

The system's federal compliance record contains 155 total violations, with 155 classified as health-based (MCL exceedances or treatment-technique failures). 4 distinct contaminants have been cited, including Atrazine, Arsenic, Nitrite. Recorded violations span 2011–2025.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Montana state drinking-water program's public portal.

System Details

EPA ID (PWSID)
MT0000199
System Type
CWS
Water Source
Surface Water
Location
Denton, MT
Population Served
255
Health Violations
Yes (155)

What contaminants are in this water system?

Contaminant Violations Health-Based
Atrazine 135 135
Arsenic 18 18
Nitrite 1 1
Fluoride 1 1

Violation History (155)

Contaminant Health Date
Arsenic Yes Oct 1, 2025
Arsenic Yes Sep 1, 2025
Arsenic Yes Aug 1, 2025
Arsenic Yes Aug 1, 2025
Arsenic Yes Jul 1, 2025
Arsenic Yes Jul 1, 2025
Arsenic Yes Jun 1, 2025
Arsenic Yes May 1, 2025
Arsenic Yes Apr 1, 2025
Arsenic Yes Apr 1, 2025
Arsenic Yes Mar 1, 2025
Arsenic Yes Feb 1, 2025
Arsenic Yes Jan 1, 2025
Arsenic Yes Dec 1, 2024
Arsenic Yes Nov 1, 2024
Arsenic Yes Oct 1, 2024
Arsenic Yes Oct 1, 2024
Atrazine Yes Sep 1, 2024
Atrazine Yes Sep 1, 2024
Atrazine Yes Aug 1, 2024
Atrazine Yes Aug 1, 2024
Atrazine Yes Jul 1, 2024
Atrazine Yes Jul 1, 2024
Atrazine Yes Jun 1, 2024
Atrazine Yes Jun 1, 2024
Atrazine Yes May 1, 2024
Atrazine Yes May 1, 2024
Atrazine Yes Apr 1, 2024
Atrazine Yes Apr 1, 2024
Atrazine Yes Mar 1, 2024
Atrazine Yes Mar 1, 2024
Atrazine Yes Feb 1, 2024
Atrazine Yes Feb 1, 2024
Atrazine Yes Feb 1, 2024
Atrazine Yes Jan 1, 2024
Atrazine Yes Jan 1, 2024
Atrazine Yes Jan 1, 2024
Atrazine Yes Jan 1, 2024
Atrazine Yes Dec 1, 2023
Atrazine Yes Dec 1, 2023
Atrazine Yes Nov 1, 2023
Atrazine Yes Nov 1, 2023
Atrazine Yes Nov 1, 2023
Atrazine Yes Oct 1, 2023
Atrazine Yes Oct 1, 2023
Atrazine Yes Sep 1, 2023
Atrazine Yes Sep 1, 2023
Atrazine Yes Sep 1, 2023
Atrazine Yes Aug 1, 2023
Atrazine Yes Aug 1, 2023
Atrazine Yes Aug 1, 2023
Atrazine Yes Jul 1, 2023
Atrazine Yes Jul 1, 2023
Atrazine Yes Jul 1, 2023
Atrazine Yes Jun 1, 2023
Atrazine Yes Jun 1, 2023
Atrazine Yes Jun 1, 2023
Atrazine Yes May 1, 2023
Atrazine Yes May 1, 2023
Atrazine Yes May 1, 2023
Atrazine Yes Apr 1, 2023
Atrazine Yes Apr 1, 2023
Atrazine Yes Apr 1, 2023
Atrazine Yes Mar 1, 2023
Atrazine Yes Mar 1, 2023
Atrazine Yes Mar 1, 2023
Atrazine Yes Feb 1, 2023
Atrazine Yes Feb 1, 2023
Atrazine Yes Feb 1, 2023
Atrazine Yes Jan 1, 2023
Atrazine Yes Jan 1, 2023
Atrazine Yes Jan 1, 2023
Atrazine Yes Dec 1, 2022
Atrazine Yes Dec 1, 2022
Atrazine Yes Dec 1, 2022
Atrazine Yes Nov 1, 2022
Atrazine Yes Nov 1, 2022
Atrazine Yes Nov 1, 2022
Atrazine Yes Oct 1, 2022
Atrazine Yes Oct 1, 2022
Atrazine Yes Oct 1, 2022
Atrazine Yes Sep 1, 2022
Atrazine Yes Sep 1, 2022
Atrazine Yes Sep 1, 2022
Atrazine Yes Aug 1, 2022
Atrazine Yes Aug 1, 2022
Atrazine Yes Aug 1, 2022
Atrazine Yes Jul 1, 2022
Atrazine Yes Jul 1, 2022
Atrazine Yes Jul 1, 2022
Atrazine Yes Jun 1, 2022
Atrazine Yes Jun 1, 2022
Atrazine Yes May 1, 2022
Atrazine Yes May 1, 2022
Atrazine Yes Apr 1, 2022
Atrazine Yes Apr 1, 2022
Atrazine Yes Mar 1, 2022
Atrazine Yes Mar 1, 2022
Atrazine Yes Feb 1, 2022
Atrazine Yes Feb 1, 2022
Showing 100 of 155 violations.

Frequently Asked Questions

Is DENTON TOWN OF water safe to drink?
DENTON TOWN OF has 155 health-based violations out of 155 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses surface water water as its source.
How many people does DENTON TOWN OF serve?
DENTON TOWN OF serves 255 people in Denton, MT. It is classified as a CWS water system.
What violations does DENTON TOWN OF have?
DENTON TOWN OF has 155 total violations on record spanning 2011–2025. 155 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in DENTON TOWN OF water?
Violations have been recorded for 4 contaminants. The most frequent: Atrazine, Arsenic, Nitrite.

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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