Health Violations Found MT 58 HEALTH VIOLATIONS

Denton Town of

EPA ID: MT0000199 · 255 people served · 2 ZIP codes

With 58 unresolved EPA violations, Denton Town of is currently out of full compliance — approximately 255 people in its service area.

Data: EPA SDWIS Last verified: 2026-04-02

D · 43
Avg Safety Score
255
People Served
2
ZIP Codes Served
61
Violations (5yr)
Surface Water
Water Source
0.004 mg/L
Max Lead Level
Zone 1
Radon Risk · High
4
Contaminants Flagged
$238K
Median Home Value in Service Area

Compliance Trajectory

Worsening · Risk tier: High · 95% chance of violation in next 12 months

Violations went from 2 (2024) to 4 (2026). The pattern suggests growing compliance challenges.

Service Area Map

Coverage area for Denton Town of Source: EPA SDWIS service area boundaries.

Service area boundary — Grade D

Service Area Demographics

$78,695
Median Household Income
542
Service Area Population
0%
Disadvantaged Population
60th
Poverty Percentile
70th
Energy Burden Percentile
84%
Pre-1986 Housing

The Denton Town of serves a community with a median household income of $78,695 and an estimated 542 residents across its service area. Approximately 84% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.

🌊 Where Does Your Water Come From?

Surface Water

Denton Town of's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.

Elevated Risk
Source Contamination Risk
30th
Wastewater Discharge Proximity
10th
Superfund Site Proximity

About 1% of homes in Fergus County, Montana rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.

Infrastructure Risk

73 yr
Avg Pipe Age
Galvanized Steel or Copper
Pipe Material
0 yr
Est. Remaining Life
Accelerating Decay
Decay Status
Installed 100% of expected lifespan used End of life

Detected Contaminants

How Denton Town of compares to EPA limits

What This Means For You

Contaminant 0800 at 45 mg/L exceeds the EPA maximum of mg/L.

E. coli at 13 Zero tolerance (any positive sample triggers immediate action) exceeds the EPA maximum of Zero tolerance (any positive sample triggers immediate action). Severe GI illness; potentially fatal kidney failure in children. Consider UV disinfection (99.99%) filtration.

Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.

Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.

E. coli was detected in this water system. UV disinfection (99.99%) filtration can reduce exposure.

Find a certified water filter →

Comparable Water Systems

Similar-sized systems in Montana

C 4 violations
D 4 violations
Geraldine Town of
260 people
C 6 violations
0 violations
Sorrel Springs Hoa
250 people
0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Radon Mitigation Flood Insurance Water Filtration
Radon Mitigation $1,200
Flood Insurance $600
Water Filtration $300
Total Estimated Cost $2,100

Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $1,500

Annual per household (CDC est.)

Estimated Property Value Decline $11,908

5% of median home value (EPA est.)

Estimated Cumulative Cost Per Household

5 years
$13,455
10 years
$26,910
20 years
$53,820

Compare: Estimated remediation cost is $2,100 (one-time) vs. $26,910 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

DENTON TOWN OF (EPA ID: MT0000199) is a community water system in Montana that serves approximately 255 people from surface water sources.

This system provides water to 2 ZIP codes across 2 communities.

Average Home Safety Score: D (43/100)

Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.

Violation History

58 health-based violations recorded in the past 5 years. 58 remain unresolved.

Recent Violations

Date Contaminant Type Status
October 1, 2025 E. coli Health-based Unresolved
September 1, 2025 E. coli Health-based Unresolved
August 1, 2025 E. coli Health-based Unresolved
July 1, 2025 E. coli Health-based Unresolved
June 1, 2025 E. coli Health-based Unresolved
May 1, 2025 E. coli Health-based Unresolved
April 1, 2025 E. coli Health-based Unresolved
March 1, 2025 E. coli Health-based Unresolved
February 1, 2025 E. coli Health-based Unresolved
January 1, 2025 E. coli Health-based Unresolved
December 1, 2024 E. coli Health-based Unresolved
November 1, 2024 E. coli Health-based Unresolved
October 1, 2024 E. coli Health-based Unresolved
September 1, 2024 Contaminant 0800 Health-based Unresolved
August 1, 2024 Contaminant 0800 Health-based Unresolved
July 1, 2024 Contaminant 0800 Health-based Unresolved
June 1, 2024 Contaminant 0800 Health-based Unresolved
May 1, 2024 Contaminant 0800 Health-based Unresolved
April 1, 2024 Contaminant 0800 Health-based Unresolved
March 1, 2024 Contaminant 0800 Health-based Unresolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Contaminant 0800 Other Violation 45 Yes
E. coli Microbiological 13 Yes
Surface Water Treatment Rule Treatment Failure 2 No
Consumer Confidence Report Rule Reporting Failure 1 No

Health Risk Details

E. coli (EPA limit: Zero tolerance (any positive sample triggers immediate action))

Severe GI illness; potentially fatal kidney failure in children At-risk groups: children under 5, elderly, immunocompromised individuals, pregnant women.

Removal methods: UV disinfection (99.99%), chlorination, reverse osmosis. Find the right filter →

Lead & Copper

EPA Lead and Copper Rule sampling data for ZIP codes served by this system:

ZIP Code Lead Level Exceeds Limit Sample Date
59430 0.004 mg/L No N/A

Radon Risk in Service Area

Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Need help with your water quality?

Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.

ZIP Codes Served

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Denton Town of (MT0000199) on EPA.gov.

Frequently Asked Questions

Is Denton Town of water safe to drink?

Denton Town of has recorded 58 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.

How many people does Denton Town of serve?

Denton Town of serves approximately 255 people across 2 ZIP codes in Montana.

Where does Denton Town of get its water?

The primary water source is surface water.

Water Source & Treatment

Where this water originates and how it's treated before reaching your tap.

Source
Blended (groundwater + surface water)
Combines water from both groundwater and surface sources.
Disinfectant used
Chlorine
Treatment chemicals reported
chlorine

Source: DENTON TOWN OF Consumer Confidence Report.

ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.

Treatment regime

How this utility classifies its treatment process and what each reported treatment chemical does.

Treatment classification
Standard
Disinfection plus one or more treatment additives — typically corrosion control, pH adjustment, or fluoridation. Standard regime for utilities serving treated municipal water.

Treatment chemicals and what each one does

Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.

Disinfectant
Inactivates bacteria, viruses, and parasites in the treated water.
chlorine

Treatment classification and chemical list sourced from DENTON TOWN OF Consumer Confidence Report.

Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.

Lead Service Line Inventory

Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:

4
Confirmed Lead
23
Galvanized — Replacement Required
3
Unknown Material
188
Confirmed Non-Lead

Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.

Federal Regulatory Status · 2026Q1
LCRR inventory submission: Reported all required service line types
Latest tap sample on 2023-01-01 did not exceed the federal lead action level.
Population served: 255
Reported to Montana

Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026

ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.

Learn about lead in drinking water →

Notable events and violations

This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.

Federal compliance violations on record

These entries are taken verbatim from the utility's CCR violations section. EPA defines four broad violation categories: Maximum Contaminant Level (MCL), Treatment Technique (TT), Monitoring & Reporting (M&R), and Public Notification (PN).

  • treatment technique
    2024-01-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 01/01/2024 to 01/31/2024.
  • treatment technique
    2024-02-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 02/01/2024 to 02/29/2024.
  • treatment technique
    2024-03-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 03/01/2024 to 03/31/2024.
  • treatment technique
    2024-04-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 04/01/2024 to 04/30/2024.
  • treatment technique
    2024-05-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 05/01/2024 to 05/31/2024.
  • treatment technique
    2024-06-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 06/01/2024 to 06/30/2024.
  • treatment technique
    2024-07-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 07/01/2024 to 07/31/2024.
  • treatment technique
    2024-08-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 08/01/2024 to 08/31/2024.
  • treatment technique
    2024-09-01
    FAILURE TO MAINTAIN MICROBIAL TREATMENT (LT2) from 09/01/2024 to 09/30/2024.
  • treatment technique
    2024-06-03
    FAILURE TO FILTER (SWTR) from 06/03/2014 to 2024.
  • treatment technique
    2024-10-01
    RESIDUAL DISINFECTANT CONCENTRATION (SWTR) from 10/01/2024 to 10/31/2024.
  • treatment technique
    2024-11-01
    RESIDUAL DISINFECTANT CONCENTRATION (SWTR) from 11/01/2024 to 11/30/2024.
  • treatment technique
    2024-12-01
    RESIDUAL DISINFECTANT CONCENTRATION (SWTR) from 12/01/2024 to 12/31/2024.

Violations record from DENTON TOWN OF Consumer Confidence Report.

ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.

Frequently Asked Questions

Is water from Denton Town of safe to drink? ▼
Denton Town of has a D safety grade based on 61 recorded violations. Some contaminants may exceed EPA limits — independent testing is recommended.
What contaminants are in Denton Town of's water? ▼
Detected contaminants include Contaminant 0800, E. coli, Surface Water Treatment Rule, Consumer Confidence Report Rule. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter? ▼
Given 4 contaminants above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Denton Town of serve? ▼
Denton Town of serves approximately 255 people with drinking water across 2 ZIP codes.
What is Denton Town of's water source? ▼
Denton Town of draws water from surface water sources. Source type affects which contaminants are most likely to be present.
Is there lead in Denton Town of's water? ▼
The maximum detected lead level is 0.004 mg/L. This is within EPA action level guidelines.
What is the demographic profile of Denton Town of's service area? ▼
The Denton Town of service area has a median household income of $78,695. Demographic data is sourced from the U.S. Census Bureau and EPA EJScreen.
Where does Denton Town of get its water? ▼
Denton Town of's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap. Based on violation history and environmental factors, the source contamination risk is currently elevated.

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report →

3

Contact your utility

Denton Town of (EPA ID: MT0000199) — request the latest Consumer Confidence Report or ask about specific contaminants.

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