Public water system · MT0005098
ActiveLong Addition No 2 Lots 3&4 Pws
At a glance
Long Addition No 2 Lots 3&4 Pws (PWSID MT0005098) is an active transient non-community water system in Missoula County, Montana. It reports serving 30 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Long Addition No 2 Lots 3&4 Pws compare with other water systems in Missoula County?
By EPA's size categories, Long Addition No 2 Lots 3&4 Pws is a very small system (500 people or fewer). Missoula County has 244 active public water systems. Its population served is well below the county average of 576 people per system, and accounts for less than 0.1% of the 140,505 people reported by systems filed under the county. Across Montana, the 2,378 active systems average 489 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Long Addition No 2 Lots 3&4 Pws is well below that figure.
What does “transient non-community water system” mean?
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. Montana has 1,206 active transient non-community water systems, 51% 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 Long Addition No 2 Lots 3&4 Pws?
EPA lists Long Addition No 2 Lots 3&4 Pws 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. 201 of the 244 active systems in Missoula County (82%) are also privately owned.
Does Long Addition No 2 Lots 3&4 Pws have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Long Addition No 2 Lots 3&4 Pws. For the latest compliance status, check EPA ECHO for current compliance history.
Long Addition No 2 Lots 3&4 Pws: frequently asked questions
Who runs Long Addition No 2 Lots 3&4 Pws?
Long Addition No 2 Lots 3&4 Pws (PWSID MT0005098) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Long Addition No 2 Lots 3&4 Pws serve?
Long Addition No 2 Lots 3&4 Pws reports serving 30 people through 1 service connection in Missoula County, Montana.
Where does Long Addition No 2 Lots 3&4 Pws 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 Long Addition No 2 Lots 3&4 Pws have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Long Addition No 2 Lots 3&4 Pws' 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. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Long Addition No 2 Lots 3&4 Pws' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Long Addition No 2 Lots 3&4 Pws is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Missoula County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Missoula Water | Missoula | 68,200 | Community | Groundwater |
| University of Montana | Missoula | 15,000 | Non-transient non-community | Purchased groundwater |
| Lolo Water and Sewer Dist | Missoula | 3,315 | Community | Groundwater |
| Town Pump Bonner 1 | Missoula | 2,460 | Non-transient non-community | Groundwater |
| Clearwater Junction Rest Area | Missoula | 2,002 | Transient non-community | Groundwater |
| Seeley Lake Water District | Missoula | 1,575 | Community | Surface water |
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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, “Long Addition No 2 Lots 3&4 Pws, PWSID MT0005098, Montana”, https://aquacensus.com/water-systems/montana/long-addition-no-2-lots-3-4-pws-mt0005098 (data as of October 1, 2026).