Public water system · MT0001170
ActiveTrego School Dist 53
At a glance
Trego School Dist 53 (PWSID MT0001170) is an active non-transient non-community water system in Lincoln County, Montana. It reports serving 47 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, 4 are health-based, and the most recent began in June 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
47
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Trego School Dist 53 compare with other water systems in Lincoln County?
By EPA's size categories, Trego School Dist 53 is a very small system (500 people or fewer). Lincoln County has 92 active public water systems. Its population served is well below the county average of 212 people per system, and accounts for 0.2% of the 19,484 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 Trego School Dist 53 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 Trego School Dist 53?
EPA lists Trego School Dist 53 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. 11 of the 92 active systems in Lincoln County (12%) are also owned by a local government.
Does Trego School Dist 53 have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2019. The violations listed here began between January 2002 and June 2019. By type: 7 monitoring and reporting, 4 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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 |
|---|---|---|---|---|
| 2019-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2007-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2004-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | 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.
Trego School Dist 53: frequently asked questions
Who runs Trego School Dist 53?
Trego School Dist 53 (PWSID MT0001170) 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 Trego School Dist 53 serve?
Trego School Dist 53 reports serving 47 people through 3 service connections in Lincoln County, Montana.
Where does Trego School Dist 53 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 Trego School Dist 53 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2019. 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 Trego School Dist 53'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, 4 are health-based, and the most recent began in June 2019. For current results, consult EPA ECHO, or the MT state drinking water program.
Where can I find Trego School Dist 53's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Trego School Dist 53 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Libby City of | Lincoln | 4,892 | Community | Surface water |
| Troy City of | Lincoln | 2,100 | Community | Groundwater |
| Eureka Town of | Lincoln | 1,995 | Community | Surface water |
| Bears Country Store | Lincoln | 805 | Transient non-community | Groundwater |
| Fortine Mercantile | Lincoln | 504 | Transient non-community | Groundwater |
| Indian Springs Ranch Sub | Lincoln | 455 | 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, “Trego School Dist 53, PWSID MT0001170, Montana”, https://aquacensus.com/water-systems/montana/trego-school-dist-53-mt0001170 (data as of October 1, 2026).