Public water system · PA5040852
ActiveDesotec Us LLC Darlington
At a glance
Desotec Us LLC Darlington (PWSID PA5040852) is an active non-transient non-community water system in Beaver County, Pennsylvania. It reports serving 45 people through 1 service connection. Its primary water source is purchased 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 June 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
45
Service connections
1
Primary source
GWP
Purchased groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Desotec Us LLC Darlington compare with other water systems in Beaver County?
By EPA's size categories, Desotec Us LLC Darlington is a very small system (500 people or fewer). Beaver County has 83 active public water systems. Its population served is well below the county average of 2,152 people per system, and accounts for less than 0.1% of the 178,581 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Desotec Us LLC Darlington 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. Pennsylvania has 1,026 active non-transient non-community water systems, 14% of the state's 7,217 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 54 Pennsylvania systems (0.7%) list purchased groundwater as their primary source.
Who owns and regulates Desotec Us LLC Darlington?
EPA lists Desotec Us LLC Darlington as privately owned. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 35 of the 83 active systems in Beaver County (42%) are also privately owned.
Does Desotec Us LLC Darlington have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2025. The violations listed here began between April 2003 and June 2025. By type: 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (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 |
|---|---|---|---|---|
| 2025-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Desotec Us LLC Darlington: frequently asked questions
Who runs Desotec Us LLC Darlington?
Desotec Us LLC Darlington (PWSID PA5040852) is a non-transient non-community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Desotec Us LLC Darlington serve?
Desotec Us LLC Darlington reports serving 45 people through 1 service connection in Beaver County, Pennsylvania.
Where does Desotec Us LLC Darlington get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Desotec Us LLC Darlington have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2025. 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 Desotec Us LLC Darlington'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 3 violations for this system; none is health-based, and the most recent began in June 2025. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Desotec Us LLC Darlington's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Desotec Us LLC Darlington 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 Beaver County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Beaver Falls Muni Auth | Beaver | 49,500 | Community | Surface water |
| Ambridge Water Auth | Beaver | 19,500 | Community | Surface water |
| Center Twp Water Auth | Beaver | 19,000 | Community | Surface water |
| Mun Water Auth of Aliquippa | Beaver | 15,685 | Community | Groundwater |
| Creswell Heights Jt Auth | Beaver | 15,000 | Community | Groundwater |
| Brighton Twp Muni Auth | Beaver | 7,920 | Community | Purchased 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, “Desotec Us LLC Darlington, PWSID PA5040852, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/desotec-us-llc-darlington-pa5040852 (data as of October 1, 2026).