Public water system · MT0000016
ActiveAnaconda Water Department
At a glance
Anaconda Water Department (PWSID MT0000016) is an active community water system in Deer Lodge County, Montana. It reports serving 6,750 people through 2,866 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,750
Service connections
2,866
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Anaconda Water Department compare with other water systems in Deer Lodge County?
By EPA's size categories, Anaconda Water Department is a medium system (3,301 to 10,000 people). Deer Lodge County has 16 active public water systems, and Anaconda Water Department is the largest of them by population served. Its population served is about 11 times the county average of 599 people per system, and accounts for 70% of the 9,588 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 Anaconda Water Department is roughly in line with 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 Anaconda Water Department?
EPA lists Anaconda Water Department as owned by a local government. 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. 1 of the 16 active systems in Deer Lodge County (6.3%) are also owned by a local government.
Does Anaconda Water Department have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2023. The violations listed here began between January 2001 and August 2023. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (2 of them). EPA lists 7 as archived and 5 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 |
|---|---|---|---|---|
| 2023-08-16 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzo(a)pyrenecode 2306 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Archived |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfonecode 2044 | 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.
Anaconda Water Department: frequently asked questions
Who runs Anaconda Water Department?
Anaconda Water Department (PWSID MT0000016) is a community water system owned by a local government. It is regulated by the MT state drinking water program.
How many people does Anaconda Water Department serve?
Anaconda Water Department reports serving 6,750 people through 2,866 service connections in Deer Lodge County, Montana.
Where does Anaconda Water Department 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 Anaconda Water Department 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 August 2023. 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 Anaconda Water Department'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 August 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MT state drinking water program.
Where can I find Anaconda Water Department's water quality report?
As a community water system, Anaconda Water Department 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 Deer Lodge County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Montana State Hospital Complex | Deer Lodge | 721 | Community | Groundwater |
| Town Pump Anaconda 1 | Deer Lodge | 524 | Transient non-community | Groundwater |
| Anaconda Interchange Rest Area | Deer Lodge | 465 | Transient non-community | Groundwater |
| Haufbrau | Deer Lodge | 300 | Transient non-community | Groundwater |
| Anaconda Ccc | Deer Lodge | 290 | Community | Surface water |
| Anaconda Country Club | Deer Lodge | 150 | 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, “Anaconda Water Department, PWSID MT0000016, Montana”, https://aquacensus.com/water-systems/montana/anaconda-water-department-mt0000016 (data as of October 1, 2026).