Public water system · MT0004583
ActiveDeer Lick Subdivision Water District
At a glance
Deer Lick Subdivision Water District (PWSID MT0004583) is an active community water system in Mineral County, Montana. It reports serving 70 people through 28 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
70
Service connections
28
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Deer Lick Subdivision Water District compare with other water systems in Mineral County?
By EPA's size categories, Deer Lick Subdivision Water District is a very small system (500 people or fewer). Mineral County has 37 active public water systems. Its population served is well below the county average of 454 people per system, and accounts for 0.4% of the 16,812 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active community water system reports serving 6,703 people, so Deer Lick Subdivision Water District is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Montana has 853 active community water systems, 36% of the state's 2,378 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,994 Montana systems (84%) list groundwater as their primary source.
Who owns and regulates Deer Lick Subdivision Water District?
EPA lists Deer Lick Subdivision Water District as privately owned. The MT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 26 of the 37 active systems in Mineral County (70%) are also privately owned.
Does Deer Lick Subdivision Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. The violations listed here began between January 2020 and October 2025. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Lead and Copper Rule, E. coli, Revised Total Coliform Rule and Cadmium. EPA lists 9 as archived and 3 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-10-18 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2020-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Deer Lick Subdivision Water District: frequently asked questions
Who runs Deer Lick Subdivision Water District?
Deer Lick Subdivision Water District (PWSID MT0004583) is a community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Deer Lick Subdivision Water District serve?
Deer Lick Subdivision Water District reports serving 70 people through 28 service connections in Mineral County, Montana.
Where does Deer Lick Subdivision Water District get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Deer Lick Subdivision Water District have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Deer Lick Subdivision Water District's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Deer Lick Subdivision Water District's water quality report?
As a community water system, Deer Lick Subdivision Water District must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Mineral County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Quartz Flat Rest Stop West | Mineral | 3,301 | Transient non-community | Groundwater |
| Quartz Flat Rest Stop East | Mineral | 3,301 | Transient non-community | Groundwater |
| Dena Mora Saltese East Rest | Mineral | 3,000 | Transient non-community | Groundwater |
| Dena Mora Saltese West Rest | Mineral | 2,000 | Transient non-community | Groundwater |
| Superior Town of | Mineral | 1,100 | Community | Groundwater |
| Lincolns Silver Dollar Bar | Mineral | 520 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Deer Lick Subdivision Water District, PWSID MT0004583, Montana”, https://aquacensus.com/water-systems/montana/deer-lick-subdivision-water-district-mt0004583 (data as of October 1, 2026).