Public water system · MT0004499
ActiveCorvallis Sd Rise Charter Campus
At a glance
Corvallis Sd Rise Charter Campus (PWSID MT0004499) is an active non-transient non-community water system in Ravalli County, Montana. It reports serving 75 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
75
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Corvallis Sd Rise Charter Campus compare with other water systems in Ravalli County?
By EPA's size categories, Corvallis Sd Rise Charter Campus is a very small system (500 people or fewer). Ravalli County has 130 active public water systems. Its population served is well below the county average of 237 people per system, and accounts for 0.2% 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 non-transient non-community water system reports serving 430 people, so Corvallis Sd Rise Charter Campus is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Montana has 319 active non-transient non-community water systems, 13% 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 Corvallis Sd Rise Charter Campus?
EPA lists Corvallis Sd Rise Charter Campus 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 Corvallis Sd Rise Charter Campus have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2024. The violations listed here began between January 2024 and September 2024. By type: 2 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2024-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
All 3 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.
Corvallis Sd Rise Charter Campus: frequently asked questions
Who runs Corvallis Sd Rise Charter Campus?
Corvallis Sd Rise Charter Campus (PWSID MT0004499) is a non-transient non-community water system privately owned. It is regulated by the MT state drinking water program.
How many people does Corvallis Sd Rise Charter Campus serve?
Corvallis Sd Rise Charter Campus reports serving 75 people through 3 service connections in Ravalli County, Montana.
Where does Corvallis Sd Rise Charter Campus 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 Corvallis Sd Rise Charter Campus have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2024. 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 Corvallis Sd Rise Charter Campus' 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 3 violations for this system; none is health-based, and the most recent began in September 2024. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Corvallis Sd Rise Charter Campus' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Corvallis Sd Rise Charter Campus is a non-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, “Corvallis Sd Rise Charter Campus, PWSID MT0004499, Montana”, https://aquacensus.com/water-systems/montana/corvallis-sd-rise-charter-campus-mt0004499 (data as of October 1, 2026).