Public water system · IN2320013
ActiveSt. Malachy Catholic Parish - School
At a glance
St. Malachy Catholic Parish - School (PWSID IN2320013) is an active non-transient non-community water system in Hendricks County, Indiana. It reports serving 511 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
511
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does St. Malachy Catholic Parish - School compare with other water systems in Hendricks County?
By EPA's size categories, St. Malachy Catholic Parish - School is a small system (501 to 3,300 people). Hendricks County has 53 active public water systems. Its population served is well below the county average of 1,763 people per system, and accounts for 0.5% of the 93,426 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so St. Malachy Catholic Parish - School is about 19% 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. Indiana has 603 active non-transient non-community water systems, 15% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.
Who owns and regulates St. Malachy Catholic Parish - School?
EPA lists St. Malachy Catholic Parish - School as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 36 of the 53 active systems in Hendricks County (68%) are also privately owned.
Does St. Malachy Catholic Parish - School have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2026. The violations listed here began between October 2014 and January 2026. By type: 5 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 6 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.
St. Malachy Catholic Parish - School: frequently asked questions
Who runs St. Malachy Catholic Parish - School?
St. Malachy Catholic Parish - School (PWSID IN2320013) is a non-transient non-community water system privately owned. It is regulated by the IN state drinking water program.
How many people does St. Malachy Catholic Parish - School serve?
St. Malachy Catholic Parish - School reports serving 511 people through 2 service connections in Hendricks County, Indiana.
Where does St. Malachy Catholic Parish - 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 St. Malachy Catholic Parish - School have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2026. 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 St. Malachy Catholic Parish - 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. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the IN state drinking water program.
Where can I find St. Malachy Catholic Parish - School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. St. Malachy Catholic Parish - 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 Hendricks County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Plainfield Water Works | Hendricks | 34,477 | Community | Groundwater |
| Brownsburg Water Works | Hendricks | 31,250 | Community | Purchased surface water |
| Danville Water Works | Hendricks | 10,500 | Community | Purchased surface water |
| Plainfield Re-Entry Educational Facility | Hendricks | 4,500 | Community | Groundwater |
| Pittsboro Water Company | Hendricks | 4,113 | Community | Purchased surface water |
| Cascade Senior High School | Hendricks | 975 | 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, “St. Malachy Catholic Parish - School, PWSID IN2320013, Indiana”, https://aquacensus.com/water-systems/indiana/st-malachy-catholic-parish-school-in2320013 (data as of October 1, 2026).