Public water system · MT0001054
ActiveFlorence Carlton School
At a glance
Florence Carlton School (PWSID MT0001054) is an active non-transient non-community water system in Ravalli County, Montana. It reports serving 1,025 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,025
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Florence Carlton School compare with other water systems in Ravalli County?
By EPA's size categories, Florence Carlton School is a small system (501 to 3,300 people). Ravalli County has 130 active public water systems, and Florence Carlton School is the 6th-largest of them by population served. Its population served is about 4.3 times the county average of 237 people per system, and accounts for 3.3% 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 Florence Carlton School is about 138% above 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 Florence Carlton School?
EPA lists Florence Carlton School as owned by a state 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. 2 of the 130 active systems in Ravalli County (1.5%) are also owned by a state government.
Does Florence Carlton School have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2016. The violations listed here began between July 2002 and October 2016. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (8 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2016-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2005-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2003-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2003-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2003-01-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
Florence Carlton School: frequently asked questions
Who runs Florence Carlton School?
Florence Carlton School (PWSID MT0001054) is a non-transient non-community water system owned by a state government. It is regulated by the MT state drinking water program.
How many people does Florence Carlton School serve?
Florence Carlton School reports serving 1,025 people through 3 service connections in Ravalli County, Montana.
Where does Florence Carlton School 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 Florence Carlton School 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 October 2016. 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 Florence Carlton School'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 October 2016. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Florence Carlton School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Florence Carlton School 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 |
| Corvallis Gym and Middle School | Ravalli | 900 | 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, “Florence Carlton School, PWSID MT0001054, Montana”, https://aquacensus.com/water-systems/montana/florence-carlton-school-mt0001054 (data as of October 1, 2026).