Public water system · MT0003646
ActiveLDS Church Corvallis
At a glance
LDS Church Corvallis (PWSID MT0003646) is an active transient non-community water system in Ravalli County, Montana. It reports serving 320 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; none is health-based, and the most recent began in February 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
320
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does LDS Church Corvallis compare with other water systems in Ravalli County?
By EPA's size categories, LDS Church Corvallis is a very small system (500 people or fewer). Ravalli County has 130 active public water systems. Its population served is about 35% above the county average of 237 people per system, and accounts for 1% of the 30,805 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 LDS Church Corvallis is about 122% above 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 LDS Church Corvallis?
EPA lists LDS Church Corvallis 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. 112 of the 130 active systems in Ravalli County (86%) are also privately owned.
Does LDS Church Corvallis have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in February 2013. The violations listed here began between January 1993 and February 2013. By type: 10 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 10 as resolved. 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 |
|---|---|---|---|---|
| 2013-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2010-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 10 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.
LDS Church Corvallis: frequently asked questions
Who runs LDS Church Corvallis?
LDS Church Corvallis (PWSID MT0003646) is a transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does LDS Church Corvallis serve?
LDS Church Corvallis reports serving 320 people through 1 service connection in Ravalli County, Montana.
Where does LDS Church Corvallis 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 LDS Church Corvallis have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in February 2013. 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 LDS Church Corvallis' 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 records list 10 violations for this system; none is health-based, and the most recent began in February 2013. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find LDS Church Corvallis' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. LDS Church Corvallis 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 Ravalli County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hamilton City of | Ravalli | 5,660 | Community | Groundwater |
| Stevensville Town of | Ravalli | 2,090 | Community | Groundwater |
| Super One Food Store | Ravalli | 1,769 | Non-transient non-community | Groundwater |
| Town Pump Woodside 1 | Ravalli | 1,198 | Transient non-community | Groundwater |
| Town Pump Florence 1 | Ravalli | 1,092 | Transient non-community | Groundwater |
| Florence Carlton School | Ravalli | 1,025 | Non-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, “LDS Church Corvallis, PWSID MT0003646, Montana”, https://aquacensus.com/water-systems/montana/lds-church-corvallis-mt0003646 (data as of October 1, 2026).