Deer Lodge County, Montana — public water systems
At a glance
16 active public water systems are filed under Deer Lodge County, Montana in EPA's SDWIS records, together reporting 9,588 people served. The largest is Anaconda Water Department, which reports serving 6,750 people. 6 are community water systems serving people where they live; the other 10 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
16
Population served
9.6K
Community systems
6
Groundwater share
93.8%
How does Deer Lodge County compare with other Montana counties?
Deer Lodge County has the 27th-most active public water systems among the 76 counties listed for active Montana systems in EPA records; among the 55 with 3 or more systems, the median has 16. Its systems report 9,588 people served in total, the 21st-largest county figure in the state and 0.8% of the statewide total. The average system here reports serving 599 people, about 23% above the Montana average of 489. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Deer Lodge County's drinking water come from?
By primary water source, Deer Lodge County's active systems draw on groundwater (13, 81%), purchased groundwater (2, 13%) and surface water (1, 6.3%). Overall, 94% rely mainly on groundwater (including purchased groundwater) and 6.3% on surface water, compared with 89% and 11% across Montana. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Anaconda Water Department, draws primarily on groundwater.
What kinds of water systems operate in Deer Lodge County?
Deer Lodge County's active systems break down as 6 community systems (38%) and 10 transient non-community systems (63%). 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. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (63%), state government (25%), local government (6.3%) and federal government (6.3%).
Water systems in Deer Lodge County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Anaconda Water Department | Deer Lodge | 6,750 | Community | Groundwater |
| 2 | Montana State Hospital Complex | Deer Lodge | 721 | Community | Groundwater |
| 3 | Town Pump Anaconda 1 | Deer Lodge | 524 | Transient non-community | Groundwater |
| 4 | Anaconda Interchange Rest Area | Deer Lodge | 465 | Transient non-community | Groundwater |
| 5 | Haufbrau | Deer Lodge | 300 | Transient non-community | Groundwater |
| 6 | Anaconda Ccc | Deer Lodge | 290 | Community | Surface water |
| 7 | Anaconda Country Club | Deer Lodge | 150 | Transient non-community | Groundwater |
| 8 | Seven Gables Resort | Deer Lodge | 100 | Transient non-community | Groundwater |
| 9 | Galen Facility | Deer Lodge | 90 | Community | Groundwater |
| 10 | Hunters Trailer Ct Anaconda | Deer Lodge | 38 | Community | Groundwater |
| 11 | Ranch Bar the | Deer Lodge | 35 | Transient non-community | Groundwater |
| 12 | Southern Cross PUD | Deer Lodge | 25 | Community | Groundwater |
| 13 | Spring Hill Water Supply | Deer Lodge | 25 | Transient non-community | Groundwater |
| 14 | Lost Creek State Park | Deer Lodge | 25 | Transient non-community | Groundwater |
| 15 | Stokes Market # 3421 | Deer Lodge | 25 | Transient non-community | Purchased groundwater |
| 16 | Albertsons Anaconda No 2022 | Deer Lodge | 25 | Transient non-community | Purchased groundwater |
Deer Lodge County water systems: frequently asked questions
How many public water systems are in Deer Lodge County, Montana?
EPA's SDWIS records file 16 active public water systems under Deer Lodge County, Montana: 6 community systems (38%) and 10 transient non-community systems (63%).
Who supplies drinking water in Deer Lodge County, MT?
The largest community water systems filed under Deer Lodge County are Anaconda Water Department (6,750 people served), Montana State Hospital Complex (721 people served) and Anaconda Ccc (290 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Deer Lodge County's drinking water come from groundwater or surface water?
Of the 16 active public water systems in Deer Lodge County, 94% draw mainly on groundwater and 6.3% on surface water, counting purchased supplies. The largest system, Anaconda Water Department, uses groundwater.
Where can I find a water quality report for Deer Lodge County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 6 community systems are filed under Deer Lodge County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Deer Lodge County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Montana water systems
- All Montana public water systems· 2,378 active
- Granite County· 21 systems
- Broadwater County· 20 systems
- Toole County· 18 systems
- Powell County· 17 systems
- Sweet Grass County· 16 systems
- Teton County· 16 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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, “Public water systems in Deer Lodge County, Montana”, https://aquacensus.com/water-systems/montana/deer-lodge (data as of October 1, 2026).