Public water system · MT0001397
ActiveClancy Elementary School Dist 01
At a glance
Clancy Elementary School Dist 01 (PWSID MT0001397) is an active non-transient non-community water system in Jefferson County, Montana. It reports serving 333 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in June 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
333
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Clancy Elementary School Dist 01 compare with other water systems in Jefferson County?
By EPA's size categories, Clancy Elementary School Dist 01 is a very small system (500 people or fewer). Jefferson County has 41 active public water systems. Its population served is about 38% above the county average of 241 people per system, and accounts for 3.4% of the 9,886 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 Clancy Elementary School Dist 01 is about 23% 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 Clancy Elementary School Dist 01?
EPA lists Clancy Elementary School Dist 01 as owned by a local 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. 4 of the 41 active systems in Jefferson County (9.8%) are also owned by a local government.
Does Clancy Elementary School Dist 01 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in June 2023. The violations listed here began between January 2011 and June 2023. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 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 |
|---|---|---|---|---|
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Oxamylcode 2036 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarbcode 2047 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | 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.
Clancy Elementary School Dist 01: frequently asked questions
Who runs Clancy Elementary School Dist 01?
Clancy Elementary School Dist 01 (PWSID MT0001397) is a non-transient non-community water system owned by a local government. It is regulated by the MT state drinking water program.
How many people does Clancy Elementary School Dist 01 serve?
Clancy Elementary School Dist 01 reports serving 333 people through 3 service connections in Jefferson County, Montana.
Where does Clancy Elementary School Dist 01 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 Clancy Elementary School Dist 01 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 June 2023. 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 Clancy Elementary School Dist 01'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 June 2023. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Clancy Elementary School Dist 01's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Clancy Elementary School Dist 01 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Whitehall Town of | Jefferson | 1,500 | Community | Groundwater |
| Boulder City of | Jefferson | 1,400 | Community | Groundwater |
| Jefferson Hills Wua | Jefferson | 780 | Community | Groundwater |
| Lewis and Clark Caverns Visitor Center | Jefferson | 615 | Transient non-community | Groundwater under influence of surface water |
| Jefferson City South Rest Stop | Jefferson | 600 | Transient non-community | Groundwater |
| Montana City School Dist 27 | Jefferson | 534 | 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, “Clancy Elementary School Dist 01, PWSID MT0001397, Montana”, https://aquacensus.com/water-systems/montana/clancy-elementary-school-dist-01-mt0001397 (data as of October 1, 2026).